Robot Vacuums & Docks
Navigation, charging, brushes, mopping, auto-empty and dock systems.
Goods Scene Troubleshooting
Find troubleshooting information by error code, symptom, model or appliance type. This index is designed to connect a fault to safe first checks, likely causes and relevant parts without presenting unsupported guesses as facts.
Search across appliance types, brands and common problem areas.
Start here
Choose the kind of machine first when you do not have an error code.
Navigation, charging, brushes, mopping, auto-empty and dock systems.
Power, battery, charging, airflow, motors and powered brush heads.
Water flow, tanks, rollers, self-cleaning, suction and charging.
Power, movement, suction, pads, sensors and safety-related alerts.
Drive, suction, filtration, charging, navigation and docking.
Drive, blades, charging, boundary or navigation systems, sensors and docks.
Symptoms
Useful when the appliance reports no numeric error code.
No power, intermittent charging, battery or charging-contact problems.
Water delivery, tanks, pumps, mop systems and self-cleaning circuits.
Weak suction, airflow restrictions, filters, fans and suction motors.
Jams, drive problems, powered heads and rollers that stop or slow down.
Positioning, mapping, obstacle detection, wheels, bumpers and sensor faults.
Auto-empty, washing, drying, refill/drain, charging and dock communication.
Manufacturer
Brand and model coverage is added only after the underlying information is verified.
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Error codes and symptom-based troubleshooting
Verified coverage
Coverage is limited to models and symptoms supported by the cited manufacturer material. It expands only after verification.
Dreame identifies an unremoved LiDAR protective cover, leaves/foreign objects or accumulated dirt on the LiDAR as first-line causes of LiDAR-related errors.
Turn off the mower and unplug the charging station before cleaning. Confirm the LiDAR protective cover has been removed, clear leaves or other obstructions, then clean accumulated dirt with the supplied lint-free cloth and make sure the LiDAR is completely dry.
LiDAR protective cover, LiDAR field of view and LiDAR surface cleanliness.
Rule out cover, obstruction and contamination before diagnosing or replacing the LiDAR module.
Practical guidance is kept separate from manufacturer wording.The mower cannot complete Bluetooth pairing or Wi‑Fi network setup in the Dreame app.
Enable Bluetooth on the phone and stay close to the mower. Scan the mower QR code or select A1 manually, then hold the control-panel knob for about 3 seconds to enter Bluetooth pairing mode and verify the PIN. After Bluetooth pairing, connect the mower and phone to the same Wi‑Fi network. A1 supports 2.4 GHz or combined 2.4/5 GHz networks.
Phone Bluetooth, pairing mode/PIN and Wi‑Fi network configuration.
Rule out pairing mode, PIN and network-band configuration before diagnosing the mower's wireless module or main control electronics.
Practical guidance is kept separate from manufacturer wording.The A1 battery should not be charged outside the ambient charging-temperature range specified by Dreame.
Check ambient temperature and allow the mower/battery to return to the permitted charging range before retrying. Dreame states not to charge the battery above 45°C (113°F) or below 6°C (43°F).
Battery temperature and charging environment.
Treat out-of-range temperature as an operating condition rather than a failed battery. Persistent charging failure within the permitted range requires separate charging-system diagnosis.
Practical guidance is kept separate from manufacturer wording.An abnormal drive-wheel alert can be caused by a foreign object in the wheel. Dreame also states that when A1 is lifted it may continue a drive-wheel escape attempt for up to about 10 seconds to reduce false triggers from ground bumps, while the cutting blade stops immediately.
Inspect and rotate the drive wheels and remove any foreign object or packed debris, then restart the mower. If the alert persists, upload app logs and contact service. If the concern is brief wheel movement after lifting, confirm the cutting blade stops immediately and recognize the documented short escape-attempt behavior.
Drive wheels, wheel wells and behavior after lift.
Clear mechanical obstruction before diagnosing the wheel module. Do not mistake the documented brief post-lift wheel movement for a drive-wheel failure if the blade stops immediately.
Practical guidance is kept separate from manufacturer wording.A1 firmware upgrades require Wi‑Fi and may become extremely slow or fail when coverage is poor or the mower is not connected to a supported network.
Move A1 to a location with strong Wi‑Fi coverage and retry. A1 supports 2.4 GHz or combined 2.4/5 GHz networks. If using a different router from the original setup, add that Wi‑Fi network in the app's network management. If it still cannot connect, Dreame suggests deleting the mower from the device page and setting it up again.
Wi‑Fi signal strength, supported network band and app network configuration.
Rule out network coverage and configuration before treating an update failure as a mower hardware fault.
Practical guidance is kept separate from manufacturer wording.Boundary creation can fail or become unreliable if A1 is not in the required setup state or if the lawn edge/path falls outside Dreame's mapping recommendations.
Charge A1 above 50%, confirm the phone has a Bluetooth connection, dock A1 correctly in standby and remove the LiDAR protective cover. Avoid mapping fall-risk slopes over 27% (15°), corridors narrower than 1 m and unsuitable high lawn-edge transitions. Stay within about 6 m behind the mower while mapping.
Battery level, Bluetooth connection, dock/standby state, LiDAR cover and lawn boundary geometry.
Verify the official mapping prerequisites and lawn geometry before diagnosing LiDAR, drive or mainboard faults.
Practical guidance is kept separate from manufacturer wording.The mower does not establish normal charging because station power, charging-contact alignment, dirty contacts or battery temperature protection may be preventing charging.
Confirm the charging station is powered. Make sure the mower and station charging contacts are aligned and clean. If battery temperature is at or below 6°C or at or above 45°C, allow it to return to the normal 6–45°C charging range and retry.
Charging-station power, mower/station charging contacts and battery temperature.
Rule out station power, contact alignment/contamination and temperature protection before diagnosing the battery, contact assemblies, power supply or charging electronics.
Practical guidance is kept separate from manufacturer wording.The app repeatedly reports a PIN verification error during network setup even though the entered PIN is correct.
Close and reopen the mower's flip cover, then retry network configuration. If the error remains, Dreame instructs users to change the mower PIN to 0001, complete network configuration in the app with 0001, and update the firmware to the latest version. After the update, change the PIN again.
PIN verification flow, flip-cover state, app network setup and firmware version.
Treat this first as a setup/firmware workflow issue rather than a hardware fault. After the firmware update succeeds, restore a private PIN instead of leaving the temporary 0001 code in use.
Practical guidance is kept separate from manufacturer wording.The A1 does not respond to the normal power-on command.
Press and hold the Power button for 2 seconds. If the mower may be discharged, dock it with the charging station and allow it to charge. If it is still unresponsive, press and hold Start + Back for 3 seconds to reset the robot; Dreame notes that the PIN code and consumable timing are retained, while other information may be cleared.
Power state, charging station connection, mower controls and reset response.
Confirm that the mower has charge before treating the symptom as an internal power fault. Use the documented reset only after the normal power-on and charging checks. If it still does not respond, further service inspection is appropriate.
Practical guidance is kept separate from manufacturer wording.A1 Pro and A2 support 2.4 GHz Wi‑Fi or combined 2.4/5 GHz networks; network setup can fail because of router security, password formatting or an existing account binding.
Use a supported 2.4 GHz or combined 2.4/5 GHz network. Temporarily disable firewall or other router security features if needed. If the Wi‑Fi password contains punctuation or complex mixed case, try a simpler password. Confirm the mower is not already bound to another account; remove the previous device binding before setting it up on a different account.
Wi‑Fi band, router security, password format and account binding.
Rule out network configuration and existing-account binding before diagnosing the mower wireless module or main control board.
Practical guidance is kept separate from manufacturer wording.Bluetooth can disconnect in manual/remote-control use when the phone is too far from the mower; the app also intentionally reconnects Bluetooth when re-entering the device page and may need a short time.
Keep phone Bluetooth enabled and stay close to the mower. During remote control, follow the mower and keep the phone within about 5 m. Avoid blocking the phone antenna with your hand. If the device page does not reconnect automatically, wait briefly and then tap the Bluetooth icon manually.
Phone Bluetooth state, distance to mower and app reconnection state.
Rule out range, phone antenna blocking and the app's normal reconnection delay before diagnosing the mower Bluetooth module.
Practical guidance is kept separate from manufacturer wording.The A1 Pro makes an unusual operating sound. Dreame notes that a faint LiDAR operating hum while the mower is powered on is normal.
Identify whether the sound comes from the LiDAR. If it is only the normal faint LiDAR hum, no action is required. If the sound comes from elsewhere, check for foreign objects trapped in the wheels and inspect whether a blade is broken.
LiDAR sound source, drive wheels and cutting blades.
Do not replace LiDAR components solely because of the documented faint operating hum. If wheel debris and blade damage are ruled out but the abnormal noise remains, use qualified service support for further diagnosis.
Practical guidance is kept separate from manufacturer wording.The installed 4G Link Module is not detected or loses its mobile-network connection.
Check that the Link Module is securely installed and that its connection is not loose; unplug and reconnect it. If installation is correct, restart the mower because an unstable mobile network can also cause a temporary disconnect.
Link Module seating/connector and mobile-network state.
Reseat the module and rule out a temporary mobile-network disconnect before replacing the Link Module or diagnosing the mower communication electronics.
Practical guidance is kept separate from manufacturer wording.A2 cannot establish an accurate position when the top radar/LiDAR is dirty, the mower is in a poor starting location, or the charging station has moved outside the mapped area.
Clean the top radar/LiDAR with the supplied lint-free cloth and dry it. Move the mower to an open area within the map and retry. If positioning does not recover, use manual mowing in the app to guide it back to the charging station and restart. Confirm the station has not been moved outside the map boundaries.
Top radar/LiDAR cleanliness, starting position and charging-station position relative to the map.
Rule out sensor contamination, ambiguous starting location and a moved station before diagnosing LiDAR/navigation hardware.
Practical guidance is kept separate from manufacturer wording.The mower remains unresponsive because the battery may be depleted or the control state may require a soft reset.
Press and hold Power for about 2 seconds. If the mower has insufficient charge, place it on the charging dock. If it remains unresponsive, hold Start and Back together for about 3 seconds to perform Dreame's soft reset; the PIN and consumables data are preserved, although other settings may be cleared.
Power-button response, battery charge and control state.
Rule out low battery and complete the documented soft reset before diagnosing the battery, control panel or main electronics.
Practical guidance is kept separate from manufacturer wording.Bluetooth pairing fails because app permissions, battery level, distance or the app session can prevent a stable connection.
Enable location permission for the Dreame app, charge the mower above about 50%, stay close to the mower, tap the Bluetooth control to reconnect, and fully close/reopen the app if the connection still fails.
Phone permissions, mower battery level, Bluetooth range and app session.
Rule out permission, battery and range conditions before diagnosing the mower Bluetooth module or main electronics.
Practical guidance is kept separate from manufacturer wording.The mower is at the charging station but does not establish normal charging.
Confirm the station is powered; a powered station shows solid blue and charging is indicated by breathing green. Verify the mower and station charging contacts are aligned and touching, and clean dust or debris from both contact sets.
Charging-station power and indicator, mower/station charging-contact alignment and cleanliness.
Confirm station power and clean contact alignment before diagnosing the battery, contact assemblies, power supply or charging electronics.
Practical guidance is kept separate from manufacturer wording.The mower does not power on from the control panel.
Move the mower outside the charging station and press and hold the Power button for about 2 seconds. Check battery level; if depleted, return the mower to the charging station and recharge it.
Power-button operation, battery charge and charging state.
Rule out a depleted battery and the required power-on procedure before diagnosing the battery, button/control panel or main electronics.
Practical guidance is kept separate from manufacturer wording.The mower cannot reliably locate or reach its charging station because the route, station environment, station position or positioning references may be unsuitable.
Clear the route to the station and keep at least about 1 m around it open and flat. Confirm the station has power and has not been moved unexpectedly. Clean the station reflective films and baseplate, remove mud from the drive wheels, clean the mower LiDAR and check battery level. If the issue continues, remap the area.
Return path, charging-station placement and power, reflective films, baseplate, drive wheels and LiDAR.
Rule out environmental, station-position and optical-navigation causes before diagnosing the drive system, LiDAR or station electronics.
Practical guidance is kept separate from manufacturer wording.The cutter-disc lift mechanism cannot move through its height range because wiring may be obstructed, movement may be mechanically restricted or cables may stiffen at low temperature.
Inspect the cutter-disc area for trapped wiring or obstruction, check that vertical movement is smooth and note whether cables are stiff from low temperature. Power-cycle the mower and observe the cutter-disc self-check, listening for friction or sticking.
Cutter-disc lift path, connection wiring/cables and self-check movement.
Rule out trapped wiring and mechanical restriction before diagnosing the cutter-disc actuator or control electronics.
Practical guidance is kept separate from manufacturer wording.The mower cannot complete a firmware update through the app.
Make sure no mowing task is running, the battery is above 20%, and the mower has a strong, stable Wi-Fi connection. If the Wi-Fi network has changed, add the new network under Settings > Connections. If the mower still cannot connect to Wi-Fi, Dreame recommends deleting the device from the app and adding it again to repeat network setup.
Battery level, active task state, Wi-Fi signal, saved network configuration and app device binding.
Retry firmware updates only after power and network conditions are stable. Avoid treating an interrupted update as a hardware failure until the documented Wi-Fi and app reconfiguration steps have been completed.
Practical guidance is kept separate from manufacturer wording.The mower can become trapped by lawn obstacles, uneven terrain, tall grass or reduced traction on wet grass.
Remove leaves, stones, toys, cables, hoses and other obstacles; test on a flat open mapped area; repair holes or depressions; shorten grass above about 10 cm if necessary; mow on dry grass or use Rain Protection; and create a No-Go Zone for repeat problem locations.
Lawn obstacles, terrain, grass height, traction conditions and map/no-go configuration.
Correct terrain and traction causes before diagnosing the AWD drive modules, wheels or obstacle-avoidance hardware.
Practical guidance is kept separate from manufacturer wording.LiDAR-related alerts can result from a protective cover/film, leaves, grass, dirt, an obstructed field of view or a station/standby condition.
Remove any LiDAR protective cover or film, clear leaves/grass/dirt, clean the LiDAR with the supplied lint-free cloth and let it dry, move the mower to an open area, restart it from the charging station and confirm station reflectors are present and clean. If a blocked alert appears specifically while docked, verify station power and test with Auto Recharge After Extended Standby disabled.
LiDAR surface and field of view, charging-station reflectors, station power and standby/recharge setting.
Do not replace the LiDAR until obstruction, surface contamination, station references and the documented docked-standby behavior have been ruled out.
Practical guidance is kept separate from manufacturer wording.Uneven ground can trigger lift detection; abnormal vertical movement of the front caster/universal wheel can indicate a hardware issue in the lift-detection mechanism.
Inspect the terrain where the alert occurs and check whether the front caster wheel moves up and down freely without lifting or moving the whole mower. If caster movement is normal, uneven terrain or bumps are the likely first condition to correct. If movement is abnormal and the alert persists, contact service.
Terrain, front caster/universal wheel vertical movement and lift-detection mechanism.
Distinguish terrain-triggered lift detection from abnormal caster movement before replacing a caster or lift-sensor component.
Practical guidance is kept separate from manufacturer wording.The mower follows a route that looks irregular or less organized than expected.
Check whether the work area contains many obstacles, because frequent obstacle-avoidance actions can make the route less regular. Also check slope conditions: Dreame states that on slopes steeper than 20 degrees the robot may not fully follow a U-shaped mowing pattern.
Obstacle density in the mowing area and lawn slope conditions.
An irregular route can be normal in obstacle-dense or steep areas. If the pattern remains abnormal in a reasonably open, suitable area after those conditions are ruled out, further service review is appropriate.
Practical guidance is kept separate from manufacturer wording.The mowing result is poor or the mower does not cut the grass effectively.
Check grass height against the mowing height set on the robot. Inspect the blade disc and remove grass or debris. Check the blades for wear or damage and replace them when excessively worn. Very dense or thick grass can also reduce performance and may require multiple passes.
Grass height and density, blade disc cleanliness, blade wear or damage, and wheel cleanliness.
Dreame recommends replacing all blades every 6–8 weeks for a good mowing result and regularly cleaning the blade disc and wheels. If cutting remains poor after these maintenance checks, further diagnosis is appropriate.
Practical guidance is kept separate from manufacturer wording.Rain Protection can appear to trigger when it is not raining, or may not activate immediately in light rain.
Confirm Rain Protection is enabled in Settings. If it triggers when there is no rain, check for water on the LiDAR because the mower can interpret detected water as rain. If it does not trigger in light rain, Dreame notes that the feature waits for rain that is dense and persistent to reduce false triggers.
Rain Protection setting and water present on the LiDAR surface.
Do not diagnose a sensor failure solely because light rain does not trigger the feature immediately. First confirm the setting and the documented rain-detection behavior.
Practical guidance is kept separate from manufacturer wording.Scheduled mowing is suppressed when one of several prerequisite conditions is active.
Confirm battery is at least 15%, Frost Protection and Do Not Disturb are not preventing mowing, no manual task or remote-control session is active, the mower has no fault state, the top cover is closed correctly and the emergency stop is not activated.
Battery, app protection modes, current task state, top cover and emergency-stop state.
Check all software and safety interlocks before diagnosing the scheduler, top-cover sensor or main control electronics.
Practical guidance is kept separate from manufacturer wording.The mower sees a strong network but still cannot complete account/network binding.
Check home-network firewall or security settings, simplify the Wi‑Fi password if it contains punctuation or complex mixed-case characters, and verify the mower is not already bound to another account. A mower can be bound to only one account at a time; remove it from the existing account before rebinding.
Wi‑Fi security configuration, password format and device account binding.
Rule out router security and existing-account binding before diagnosing the mower wireless module or control board.
Practical guidance is kept separate from manufacturer wording.Dreame identifies E4 and E5 on H11/H11 Max as an incompatible-power-adapter condition.
Use the original compatible power adapter. If the code remains with the correct adapter, contact service.
Power adapter and charging input.
Verify adapter compatibility before replacing the battery or charging electronics.
Practical guidance is kept separate from manufacturer wording.Dreame identifies these codes on H11/H11 Max as battery-failure conditions.
Dreame directs the user to customer service rather than a routine user repair.
Battery pack and associated battery electronics.
Record the exact code and obtain battery-system diagnosis before ordering a replacement battery.
Practical guidance is kept separate from manufacturer wording.The appliance indicates that the clean-water tank is empty.
Fill the clean-water tank and reinstall it correctly.
Clean-water tank level and installation.
Correct the water-level condition before investigating sensors or internal water components.
Practical guidance is kept separate from manufacturer wording.The appliance reports either that the dirty-water tank is not installed or that it is full.
Install the dirty-water tank correctly if it is missing; if it is full, empty it and reinstall it.
Dirty-water tank fill level and seating.
Resolve tank presence and fill level first before diagnosing a sensor problem.
Practical guidance is kept separate from manufacturer wording.Dreame identifies E1, EE and EF on H11/H11 Max as motor errors.
Dreame directs these motor errors to customer service. A separate Dreame FAQ also recommends restarting after 15 seconds and checking that the used-water-tank filter is clean and completely dry before escalating.
Used-water-tank filter, motor system and related electronics.
Perform the documented restart and filter check first. If the code persists, do not assume a specific motor component without diagnosis.
Practical guidance is kept separate from manufacturer wording.Dreame identifies E6 on H11/H11 Max as battery overheating.
Stop using the appliance and wait for the battery to cool before resuming operation.
Battery temperature and operating environment.
Allow natural cooling and avoid repeated restarts while hot. Recurrent E6 under normal conditions warrants battery-system diagnosis.
Practical guidance is kept separate from manufacturer wording.The appliance does not detect a correctly installed roller brush.
Install the roller brush correctly and confirm that it is seated before restarting.
Roller brush installation and seating.
Confirm the roller is physically present and correctly seated before treating the alert as a detection or electronics fault.
Practical guidance is kept separate from manufacturer wording.The appliance detects that the roller brush cannot rotate normally.
Use the included cleaning brush to remove tangles, hair and debris from the roller.
Roller brush and roller ends.
Clear mechanical obstruction before diagnosing a roller-drive fault.
Practical guidance is kept separate from manufacturer wording.The appliance reports a blockage in the tube or airflow path.
Check whether the filter is clogged and clean it if necessary; then inspect and clean the tube according to the maintenance guidance.
Filter and tube/airflow path.
Rule out a dirty filter and physical blockage before considering suction-motor failure.
Practical guidance is kept separate from manufacturer wording.The H12 detects a blockage in the tube or related dirt-sensing path.
Check whether the tube is clogged. Clean the tube and dirt sensor as directed in the user manual, then retry.
Tube, airflow path and dirt sensor.
Remove accessible blockages and clean the sensing path before diagnosing the suction motor or electronics.
Practical guidance is kept separate from manufacturer wording.The appliance does not detect a correctly installed brush roller.
Install the brush roller correctly and confirm that it is fully seated before restarting the appliance.
Brush roller installation and seating.
Confirm the roller is present and seated correctly before treating the alert as a detection or electronics problem.
Practical guidance is kept separate from manufacturer wording.The H12 detects that the brush roller cannot rotate normally.
Switch the appliance off, remove the brush roller and clear hair, fibers and other debris using the supplied cleaning brush. Reinstall the roller correctly and retry.
Brush roller, roller ends and surrounding brush chamber.
Clear mechanical obstruction before diagnosing a roller motor or drive fault.
Practical guidance is kept separate from manufacturer wording.The H12 detects insufficient water in the clean-water tank.
Fill the clean-water tank to an appropriate level and reinstall it correctly before retrying operation.
Clean-water tank water level and tank installation.
Treat this as a water-supply condition first. Confirm water level and correct tank seating before suspecting an internal water-system fault.
Practical guidance is kept separate from manufacturer wording.Dreame provides a specific first-line troubleshooting procedure for E1, EE and EF on H12 Core and H12, centered on restart and the used-water-tank filter path rather than assigning a single user-serviceable failed component.
Turn the appliance off, wait about 15 seconds and restart it. Check the filter above the used-water tank; clean or rinse it if dirty and allow it to dry completely before reinstalling. If the code persists, contact service.
Used-water-tank filter and related airflow path.
Do not infer motor failure from the code alone on H12 Core/H12. Complete the documented restart and filter workflow first, then escalate if the code remains.
Practical guidance is kept separate from manufacturer wording.Water is leaking from or around the clean-water tank.
Remove and dry the tank exterior, then check whether it leaks while removed. If it does, inspect the tank connection and consider tank replacement. If it does not, reinstall it correctly. Also check that the spring mechanism at the tank outlet resets properly.
Clean-water tank body, connection, installation and outlet spring.
A tank that leaks while removed points more strongly to the tank itself; a leak only when installed should prompt seating and outlet-spring checks before replacing internal water components.
Practical guidance is kept separate from manufacturer wording.Dreame documents a pipe-blockage condition on H12 Dual that can restrict airflow and dirty-water pickup.
Use only the recommended amount of cleaning solution; remove the used-water tank and roller, wipe the inlet and pipe, check the used-water-tank pipe for obstruction, and rinse the tank cartridge/filter. Let the cartridge dry completely before reinstalling.
Inlet, internal pipe, used-water-tank pipe and tank cartridge/filter.
Clear accessible restrictions and fully dry the filter path before suspecting the suction motor or internal electronics.
Practical guidance is kept separate from manufacturer wording.Dreame identifies F7 as the appliance's overheating-protection condition.
Stop operation and allow the machine to cool for about 30 minutes before restarting.
Appliance temperature and operating conditions.
Do not repeatedly restart the unit while it is hot. If F7 returns after adequate cooling under normal use, seek deeper diagnosis.
Practical guidance is kept separate from manufacturer wording.Excess foam appears around the base during the self-cleaning cycle.
Reduce the amount of cleaning solution. Dreame also notes that a new, fluffier roller can temporarily produce more bubbles during self-cleaning.
Cleaning-solution concentration, roller condition and self-cleaning tray/base.
Treat detergent concentration and a new roller as the first causes to rule out before diagnosing a pump or drainage fault.
Practical guidance is kept separate from manufacturer wording.The roller brush is not rotating during operation.
Remove the roller brush and restart the machine to observe the drive shaft. If the shaft rotates but the brush does not, Dreame recommends trying a replacement roller brush.
Roller brush and roller drive shaft.
Use the shaft test to distinguish a worn or damaged roller from a deeper drive fault. If the shaft itself does not rotate, service-level diagnosis is appropriate.
Practical guidance is kept separate from manufacturer wording.Pickup performance is weaker than normal.
Make sure the filter is clean and completely dry, the dirt container is empty, the roller, roller cover and filter are installed correctly, hair and debris are removed from the roller and floor-brush outlet, and the air ducts and tank pipe are free of foreign objects.
Filter, dirt container, roller and cover, floor-brush outlet, air ducts and tank pipe.
Rule out wet filters, installation errors and airflow restrictions before considering motor or fan failure.
Practical guidance is kept separate from manufacturer wording.The H12 user manual groups codes E2 through E7 as general appliance errors without assigning a more specific user-serviceable cause in its troubleshooting table.
Restart the appliance. If the displayed error remains after restart, Dreame directs the user to customer service.
No single component is identified by the H12 manual for the grouped E2–E7 condition.
Do not infer a specific failed component from these grouped H12 codes alone. Record the exact displayed code and seek model-specific diagnosis if restart does not clear it.
Practical guidance is kept separate from manufacturer wording.The H12 manual identifies H7 as battery overheating.
Stop using the appliance and wait until the battery temperature returns to normal before trying again.
Battery temperature and operating environment.
Allow the unit to cool naturally. If H7 repeatedly returns under normal conditions, stop repeated use and seek battery-system diagnosis.
Practical guidance is kept separate from manufacturer wording.The H12 Pro detects a blockage affecting the tube or related airflow and sensing path.
Check whether the filter is clogged and clean it. If the condition remains, clean the tube and dirt sensor, then retry.
Filter, tube, airflow path and dirt sensor.
Rule out filter and tube restrictions before diagnosing the suction motor or electronics.
Practical guidance is kept separate from manufacturer wording.The H12 Pro detects that the brush roller is jammed or unable to rotate freely.
Switch the appliance off and clean the roller with the supplied cleaning brush, removing hair and debris before reinstalling and retrying.
Brush roller and surrounding brush chamber.
Clear mechanical obstruction before diagnosing the roller motor or control electronics.
Practical guidance is kept separate from manufacturer wording.The H12 Pro reports that the clean-water tank does not contain enough water.
Refill the clean-water tank and reinstall it correctly before retrying.
Clean-water tank level and seating.
Confirm water level and tank installation before investigating a sensor or water-system fault.
Practical guidance is kept separate from manufacturer wording.Dreame identifies H12 Pro codes E2 through E7 as main-motor fault conditions.
Stop repeated operation and arrange expert diagnosis if one of these codes is displayed.
Main motor and battery pack, as identified by Dreame support.
Do not replace the main motor solely from the code without diagnosis; Dreame notes that the motor or battery pack may be involved.
Practical guidance is kept separate from manufacturer wording.Dreame identifies F1 on H12 Pro as a brush-motor short-circuit condition.
Stop normal use and arrange professional diagnosis rather than repeatedly restarting the appliance.
Brush motor and mainboard, as identified by Dreame support.
This is not a routine clog alert. Dreame indicates that the brush motor or mainboard may require replacement, so component-level diagnosis is appropriate before ordering parts.
Practical guidance is kept separate from manufacturer wording.Dreame associates F2 on H12 Pro with the brush pump or mainboard.
Arrange professional diagnosis if F2 is displayed; Dreame does not present it as a user-serviceable routine condition.
Brush pump and mainboard.
Confirm the failed subsystem before ordering a pump or control board because the same code can point to either area.
Practical guidance is kept separate from manufacturer wording.Dreame identifies F4 on H12 Pro as an electrolytic-water failure.
Dreame recommends trying another clean-water tank. If the fault remains, professional service is required.
Clean-water tank and electrolytic-water system.
Verify the tank-related cause before moving to deeper internal diagnosis; a clean-water tank replacement is Dreame's first specified component test.
Practical guidance is kept separate from manufacturer wording.Dreame's H12 Pro error guide groups H1 through H6 as battery-pack component faults; H3–H5 are additionally identified as charging faults, so H1, H2 and H6 are kept here as the non-charging subset.
Dreame directs these battery-related faults to service testing rather than routine user repair.
Battery pack and associated battery electronics.
Record the exact H-code and obtain battery-system diagnosis before replacing the battery pack.
Practical guidance is kept separate from manufacturer wording.Dreame identifies H3, H4 and H5 on H12 Pro as charging faults.
Dreame recommends testing the charging path by replacing the charger or charging base. If the fault remains, the battery pack should be professionally checked.
Charger, charging base and battery pack.
Separate base/charger failure from battery failure before ordering parts; these codes can involve more than one part of the charging path.
Practical guidance is kept separate from manufacturer wording.Dreame identifies H7 on H12 Pro as overtemperature protection.
Stop using the appliance and let it cool down. Retry only after the temperature has returned to normal.
Battery temperature and battery pack.
If H7 persists or repeatedly returns after normal cooling, Dreame indicates that battery-pack replacement may be required after diagnosis.
Practical guidance is kept separate from manufacturer wording.The H12 Pro detects that the used-water tank is not installed or has reached its full condition.
If the tank is absent, install it correctly. If it is full, empty it and reinstall it before retrying.
Used-water tank fill level and installation.
Correct the tank condition first before suspecting a level or presence sensor fault.
Practical guidance is kept separate from manufacturer wording.The H12 detects that the used-water tank has reached its full condition.
Remove the used-water tank, empty it, reinstall it correctly and retry.
Used-water tank fill level and installation.
Empty and reseat the tank before investigating sensors or internal components.
Practical guidance is kept separate from manufacturer wording.The H12s makes abnormal or noticeably louder noise during cleaning.
Remove the roller and clear the brush and pipe inlet. Check the filter above the dirty-water tank; clean the dirty-water-tank pipe and ensure the filter is clean and completely dry. If the noise remains, contact service.
Roller, inlet, dirty-water-tank pipe and filter.
Rule out obstruction and a wet or clogged filter before diagnosing the motor or bearings.
Practical guidance is kept separate from manufacturer wording.The H12s is stuck in one cleaning mode or does not respond to mode changes.
Check that the handle is fully connected to the body; disconnect and reconnect it until it clicks into place. Make sure the machine is powered on. If it is docked and unresponsive, press the power button to wake it from deep sleep.
Handle connection, power state and deep-sleep state.
Verify the handle connection and wake state before diagnosing the control buttons or main electronics.
Practical guidance is kept separate from manufacturer wording.Water leaks from or around the H12s clean-water tank during use.
Remove and fill the tank, dry its exterior and check whether it leaks while removed. If it leaks, inspect the tank connection and consider tank replacement. If it does not, reinstall it carefully. Also press the outlet spring and confirm that it returns to its original position.
Clean-water tank body, connection, installation and outlet spring.
A tank that leaks while removed points more strongly to the tank itself; a leak only when installed should prompt seating and outlet-spring checks before replacing internal water components.
Practical guidance is kept separate from manufacturer wording.The H12s shows signs of a clogged pipe or restricted dirty-water and airflow path.
Avoid excessive cleaning solution; Dreame suggests about 10 mL per tank fill. Remove the dirty-water tank and roller, wipe the inlet and internal pipes, clear the dirty-water-tank pipe, rinse the filter and let it dry completely before reinstalling.
Inlet, internal pipes, dirty-water-tank pipe and filter.
Clear accessible restrictions and fully dry the filter path before suspecting the suction motor or internal electronics.
Practical guidance is kept separate from manufacturer wording.The H12s roller brush remains stationary during operation.
Remove the roller brush and briefly test the machine to observe the roller drive shaft. If the shaft rotates, try a correctly installed replacement roller. If the shaft itself does not rotate, Dreame recommends after-sales diagnosis.
Roller brush, roller seating and roller drive shaft.
Use the drive-shaft test to distinguish a roller problem from a deeper drive or motor problem before ordering parts.
Practical guidance is kept separate from manufacturer wording.The H12s does not begin or complete its self-cleaning cycle.
Remove large debris from the roller; make sure the appliance is positioned correctly on a powered charging dock with a secure connection; charge above 10% for self-cleaning and above 30% for deep cleaning; empty and correctly install the dirty-water tank; confirm the clean-water tank is installed and contains enough water.
Roller, dock alignment and power, battery level, dirty-water tank and clean-water tank.
Self-cleaning depends on several prerequisite conditions, so verify all of them before diagnosing the dock, pump or control electronics.
Practical guidance is kept separate from manufacturer wording.The H12s takes longer than expected to charge.
Use the original compatible adapter charger. If charging remains slow, consider whether the machine or environment is hot after sustained high-power use, because overheat protection can increase charging time.
Charger compatibility, battery temperature and ambient temperature.
Verify the charger and allow the battery to return to normal temperature before treating slow charging as a battery or charging-board fault.
Practical guidance is kept separate from manufacturer wording.Dreame states that a slight water trail left by the H12s large wheels can be normal behavior and does not by itself indicate a fault.
Confirm that the mark is only a slight trail associated with normal wet cleaning and that there is no active leak, pooling or other abnormal behavior.
Large wheels and surrounding floor area.
Do not replace water-system parts solely for a minor wheel trail. Investigate further only if there is excessive leakage, pooling or another abnormal symptom.
Practical guidance is kept separate from manufacturer wording.Pickup or suction performance is weaker than normal.
Check whether the filter is damp or clogged and clean it, allowing it to dry completely. Confirm the roller brush, brush cover and filter are installed correctly; clear hair and debris around the roller and water outlet; inspect the air duct and dirty-water-tank hoses for foreign objects.
Filter, roller and cover, water outlet, air duct and dirty-water-tank hoses.
Rule out a wet filter, installation error and airflow blockage before considering suction-motor or electronics failure.
Practical guidance is kept separate from manufacturer wording.Dreame identifies incorrect roller installation, misalignment or obstruction at the drive connection as common causes when the roller does not rotate properly or makes unusual noise.
Align the roller shaft fully with the motor drive block, press the roller into place, secure any screws or buckles, remove foreign objects between the roller and drive block, and confirm that the roller turns smoothly by hand. If the issue persists, contact service.
Roller shaft, motor drive block, fasteners and surrounding roller chamber.
Confirm alignment and mechanical freedom before diagnosing the roller motor or control electronics.
Practical guidance is kept separate from manufacturer wording.On H14, Suction Mode intentionally operates without producing clean water. This is expected behavior rather than a pump or tank fault.
Check the selected cleaning mode. If wet cleaning is intended, switch from Suction Mode to Auto or Ultra mode.
Selected operating mode.
Do not diagnose a water pump failure solely because no water is dispensed while H14 is in Suction Mode.
Practical guidance is kept separate from manufacturer wording.Water output can be delayed or absent when the clean-water tank is low or not installed correctly. Dreame notes that initial roller wetting can take around 30 seconds.
Refill and reinstall the clean-water tank correctly, start the appliance and allow time for the roller to become damp. If no water appears after the normal wetting delay, continue with model-specific water-path diagnosis.
Clean-water tank level, tank seating and water-delivery path.
Confirm tank level, installation and the normal startup wetting delay before diagnosing the pump, tubing or control electronics.
Practical guidance is kept separate from manufacturer wording.Drying performance can drop or drying can become noisy when the charging-base air inlet or outlet is obstructed.
Inspect the charging-base air inlet and air outlet and remove any blockage before running another drying cycle.
Charging-base air inlet and outlet.
Restore base airflow before diagnosing the drying fan, heater or station electronics.
Practical guidance is kept separate from manufacturer wording.Self-cleaning requires correct docking, adequate battery, usable tank conditions and a brush roller that is not obstructed.
Make sure the appliance is correctly placed on the powered charging base, the brush roller is clear of large debris, the clean-water tank is installed and filled, and the used-water tank is not full. On H15 Pro Heat, self-cleaning requires battery above 20%; H15 Pro CarpetFlex specifies above 25%.
Charging-base connection, battery level, roller brush and clean/used-water tanks.
Verify all self-cleaning prerequisites before diagnosing the base, pump, roller motor or control electronics.
Practical guidance is kept separate from manufacturer wording.Dreame identifies a clogged filter or a foreign object in the suction inlet/tube as common causes of weak suction.
Clean the filter, inspect and clear the suction inlet and tube, and reinstall all components correctly before retrying.
Filter, suction inlet and tube.
Restore airflow before diagnosing the suction motor or control electronics.
Practical guidance is kept separate from manufacturer wording.The H15 Pro Heat manual groups E1 through E7 as appliance errors without assigning a user-serviceable component cause in the error table.
Restart the appliance. If the error remains after restart, Dreame directs the user to customer service.
No single component is identified by the H15 Pro Heat manual for grouped E1–E7.
Record the exact displayed code and do not infer a specific failed motor or board from the code group alone.
Practical guidance is kept separate from manufacturer wording.Dreame identifies H7 on H15 Pro Heat as battery overheating.
Stop use and wait until the battery temperature returns to normal before retrying.
Battery temperature and operating environment.
Allow natural cooling and avoid repeated restarts while the battery is hot. Recurrent H7 under normal conditions warrants battery-system diagnosis.
Practical guidance is kept separate from manufacturer wording.The base station reports insufficient clean water or cannot correctly detect the installed clean-water tank.
Confirm that the clean-water tank is correctly installed and contains enough water. Inspect the float and float magnet at the bottom of the tank, fill the tank, run mop-pad cleaning in the app, and firmly reinstall the tank. If the prompt persists, unplug the base station for about one minute, reconnect it and retry.
Clean-water tank seating, water level, float and float magnet, and the tank-to-base interface.
Do not assume a pump or control-board failure until tank detection, float/magnet condition, water level and the base-station power cycle have been checked.
Practical guidance is kept separate from manufacturer wording.The base-station washboard has an abnormal water level, leaks water, or fails to draw used water normally.
Remove the washboard and check the sewage outlet for blockage. Wipe the overflow sensors, inspect the used-water tank sealing rings, secure the used-water tank clip, reinstall and press the tank firmly into place, then dry the base area and reinstall the washboard before retrying.
Washboard sewage outlet, overflow sensors, used-water tank sealing rings and clip, and used-water tank seating.
Clear drainage, sensor and sealing issues before diagnosing a pump or other internal base-station component.
Practical guidance is kept separate from manufacturer wording.The mop pad receives less water than expected during mopping.
Adjust the water amount or Deep Mopping settings and set mop wetness to Wet. Inspect the mop pads and replace them when worn, use only an approved cleaning solution, and update the robot firmware before diagnosing the water-delivery hardware.
App water and mop-wetness settings, mop-pad condition, cleaning solution and firmware version.
Separate settings, consumable condition and firmware from a true base-station water-delivery fault before replacing pumps, valves or other dock parts.
Practical guidance is kept separate from manufacturer wording.The robot leaves some areas or corners uncleaned even though they appear reachable.
Allow the robot to continue cleaning so the map can update. Tidy small surrounding objects and complex chair or table-leg arrangements that may be interpreted as walls or obstacles, then run the area again.
Map accuracy, local obstacle layout and tight furniture-leg arrangements around the missed area.
Treat this first as a mapping and environmental behavior issue. A missed corner alone does not justify replacing navigation sensors or drive components.
Practical guidance is kept separate from manufacturer wording.The MopExtend edge-mopping pad does not extend outward when the user expects it to clean along an edge.
Make sure the robot is connected to the network and open the app settings for AI-driven MopExtend. Enable the feature and confirm the selected mode. Use High Frequency if you expect the mop to extend during every eligible cleaning pass.
AI-driven MopExtend settings and selected behavior mode in the Dreame app.
Verify feature configuration and expected operating behavior before treating the symptom as a failed extension mechanism or motor.
Practical guidance is kept separate from manufacturer wording.Minor scratches on a Dreame robotic mower's LiDAR surface generally do not affect positioning or normal operation.
Check whether the mower still positions and navigates normally. Be concerned if the mower shows inaccurate positioning, frequently goes outside mapped boundaries, or develops abnormal navigation behavior.
LiDAR outer surface and any related positioning, boundary or navigation symptoms.
A visible scratch by itself is not enough to diagnose a failed LiDAR. If positioning or navigation problems appear together with the damage, further inspection by service support is appropriate.
Practical guidance is kept separate from manufacturer wording.A universal wheel may make abnormal noise because of trapped foreign material, may be physically damaged, or may simply have detached from its snap-on mounting.
Rotate the universal wheel and check for foreign objects or weeds that could be causing the noise, then clean them away. Inspect the wheel for physical damage. If the wheel is not damaged and has only detached, Dreame states that its snap-on structure can be reinstalled.
Universal wheel rotation, trapped debris or weeds, wheel body and snap-on mounting.
Clean and verify free rotation before replacing the wheel. If the wheel is physically damaged, Dreame asks users to contact after-sales support and provide photos of the damage.
Practical guidance is kept separate from manufacturer wording.The robot does not begin charging normally or does not maintain proper charging contact with the base station.
Confirm that the base station is powered, the power cable is connected securely at both ends, and the rear power switch is on. Power off the robot, clean the charging contacts on both the robot and base station, then place the robot back so the contacts align correctly and retry.
Base-station power cable and switch, robot charging contacts, base-station charging contacts and contact alignment.
Rule out the external power path and contact/alignment problems before diagnosing the robot battery, base-station power supply or main electronics.
Practical guidance is kept separate from manufacturer wording.The base does not evacuate dust effectively from the robot dustbin.
Confirm base power and correct dust-bag installation, replace a full bag, clear the robot and base dust ports, enable dust collection in the app, clean the charging-electrode window, and clear the dust-box outlet.
Dust bag, dust ports, dust-box outlet, app dust-collection setting and charging-electrode window.
Clear the evacuation path and verify trigger settings before diagnosing the auto-empty motor or internal base ducting.
Practical guidance is kept separate from manufacturer wording.The robot cannot complete the route back to its charging base.
Clear obstacles from the route and around the dock and make sure the dock has an open approach path.
Dock surroundings, return path and robot localization.
Test from a short unobstructed distance before diagnosing navigation or dock-detection hardware.
Practical guidance is kept separate from manufacturer wording.Dust escapes around the collection port during or after base emptying.
Check whether the dust bag is full and inspect the dust-collection ports for blockage. Clean the affected parts and let washable parts dry completely before reinstalling.
Dust bag and robot/base dust-collection ports.
A full bag or restricted collection port should be ruled out before suspecting seals or the evacuation system.
Practical guidance is kept separate from manufacturer wording.The robot rotates repeatedly instead of progressing normally, which can occur when localization is poor or movement is obstructed.
Move the robot to a clear area, remove obstacles around it, and retry after giving it enough open space to localize.
Surroundings, drive mobility and navigation/localization sensors.
If circling follows the robot into multiple clear areas, inspect mobility and navigation hardware rather than the map alone.
Practical guidance is kept separate from manufacturer wording.The base does not appear to add cleaning detergent automatically during mop-pad washing.
Confirm Auto-Add Detergent is enabled, wash the mop pads and check the dirty-water tank for foam. Remove and shake the detergent compartment; if detergent exits at the marked outlet, the compartment is dispensing.
App auto-detergent setting, detergent compartment and detergent outlet.
Verify the feature is enabled and test the detergent compartment before diagnosing the base dosing pump or internal detergent path.
Practical guidance is kept separate from manufacturer wording.The robot avoids low cabinet or ledge areas because collision-avoidance or gap-cleaning settings prevent the expected cleaning path.
Check whether Collision-Avoidance Mode is enabled and review its effect under cabinets. Also enable Mop Extension for Gap Cleaning under the AI-driven MopExtend settings, then retry a Vac & Mop task in the affected area.
App collision-avoidance settings, Mop Extension for Gap Cleaning and cabinet clearance.
Verify the relevant app behavior and physical clearance before diagnosing navigation sensors or the retractable/edge-cleaning mechanism.
Practical guidance is kept separate from manufacturer wording.Verified coverage
Coverage is limited to models and symptoms supported by the cited manufacturer material. It expands only after verification.
The station is not supplying clean water normally during mopping or self-cleaning. A poorly seated tank, debris at the tank-to-station interface, an incorrectly fitted sealing plug, or a blocked filter can interrupt water flow.
Remove the clean-water tank and clear any foreign objects between the tank and station. Reinstall the tank flat and fully seated. Check that the sealing plug is installed correctly and fits tightly. Inspect the water-tank filter and rinse it with clean water if it is dirty or blocked, then reinstall it securely.
Clean-water tank seating, sealing plug, tank filter and tank-to-station interface.
Restore correct tank seating and a clear water path before diagnosing the station pump or internal water-supply circuit.
Practical guidance is kept separate from manufacturer wording.Dirty water is not being removed from the station cleaning sink normally, or the station detects a full sink. The mop-washing tray, float and magnet, tank seals, or the drainage path can prevent normal detection or draining.
Confirm the mop-washing tray is installed correctly. Check that the float and its magnet are present and that the float moves freely and falls back naturally. Clean foreign material from the float and tray. Inspect the tank sealing ring and sealing plugs, reseat the tanks, then try the app’s auxiliary draining function. If needed, empty and clean the tray, reconnect station power and run self-cleaning again.
Mop-washing tray, float and magnet, tank seals, drainage path and station drain function.
Clear the tray and float and verify normal auxiliary draining before diagnosing the station pump, drainage hardware or water-level detection components.
Practical guidance is kept separate from manufacturer wording.The robot is not establishing a normal charging connection with the station. Common causes include missing station power, the robot power switch being off, incomplete docking, or dirty/stuck charging contacts.
Confirm the wall outlet has power and the station power cord is connected. Set the robot power switch to “I”. Try automatic return to the station and, if needed, place the robot on the station manually. Clean the charging contacts on both the robot and station and confirm the station contacts spring back normally.
Station power, docking alignment and charging contacts.
Rule out station power, robot power state, docking alignment and dirty or stuck contacts before diagnosing the battery, charging board or station electronics.
Practical guidance is kept separate from manufacturer wording.The station does not collect dust, does not detect the dust bag, or continues to report the bag as full after replacement.
Confirm the dust bag is installed correctly and the dust collection cabin is fully closed. Make sure the robot is correctly docked. If the bag is not detected, remove and reinstall it. For a false full-bag alert after replacement, restart the robot and station, update robot firmware, confirm the robot is charging, and reinstall the bag.
Dust bag, dust collection cabin, robot docking state, firmware and bag-detection path.
Rule out bag seating, cabin closure and docking before diagnosing the station's dust-bag sensor, auto-empty air path or suction hardware.
Practical guidance is kept separate from manufacturer wording.The DEEBOT does not enter or remain in a confirmed charging state on the station.
Verify the station power cord and outlet, make sure the robot power switch is on, and command the robot to return to the station rather than relying only on manual placement. If the robot cannot power on, dock it manually. Clean the station charging area and charging electrodes and retry.
Station power supply, robot power switch, docking alignment, charging electrodes and station cleaning sink.
Confirm station power, alignment and clean charging contacts before considering a battery, charging-contact assembly or station power fault.
Practical guidance is kept separate from manufacturer wording.The robot can locate its OMNI station but fails to drive into it or stay correctly positioned.
Power off and turn the robot over, then wipe the driving wheels dry. Dry the station charging tray and any surrounding water. Confirm the mopping pad plates are installed correctly, then place the robot in front of the station and command it to return automatically.
Driving wheels, station tray and surrounding floor, mopping pad plates and docking path.
Rule out wheel slip, water on the tray/floor and incorrectly fitted mop plates before diagnosing docking sensors, drive hardware or station electronics.
Practical guidance is kept separate from manufacturer wording.Dirty water remains in the station cleaning sink, is not transferred to the dirty-water tank, or the station reports the dirty-water tank as full even when the sink condition does not match the alert.
If the station light is flashing, power-cycle the station. Remove the dirty-water tank and verify its sealing plugs are correctly installed, then reseat the tank firmly. Trigger dirty-water recycling. If water is not removed, inspect the cleaning sink suction nozzle for debris. If a full-sink alert occurs with no water present, clean the water-level sensors on the sides of the sink.
Dirty-water tank seals/plugs, tank seating, cleaning-sink suction nozzle and water-level sensors.
Seal seating, suction-port blockage and dirty level sensors are the documented first checks. Only after these are ruled out should the drainage pump, hoses or station electronics be suspected.
Practical guidance is kept separate from manufacturer wording.One or both driving wheels cannot move freely because of debris, tangles or another mechanical restriction.
Make sure any anti-collision shipping strips have been removed. Power off the robot, turn it over carefully, then press and rotate each driving wheel while removing hair and other entangled debris.
Left and right driving wheels, wheel wells and any remaining shipping protection.
Clear external tangles and verify both wheels spring and rotate normally before diagnosing a wheel motor, gearbox or wheel-module fault.
Practical guidance is kept separate from manufacturer wording.The OMNI station washes or moistens the mops but hot-water washing does not appear to activate.
Confirm the robot is connected to the ECOVACS HOME app and that a hot-water washing option is selected. On T20 OMNI, also confirm there is enough clean water. Remember that the initial mop moistening can use cold water, heating is dynamic, and some self-cleaning or energy-saving modes intentionally do not use hot water.
App washing mode, clean-water supply and station heating state.
Verify settings and expected operating behavior before diagnosing a heater, temperature sensor, water pump or station control-board fault.
Practical guidance is kept separate from manufacturer wording.The ECOVACS HOME app reports that the robot and station are disconnected, or station controls do not control the robot.
Power-cycle the station and robot. Make sure the station is powered, then place the robot correctly on the station with charging contacts aligned. Allow several seconds for the robot and station to pair again. On T20 OMNI, ECOVACS notes that a recently restarted or upgraded robot may need a few minutes before responding.
Station power, robot power, charging alignment and robot-station pairing state.
Re-establish power and physical docking before diagnosing the station control board or robot communication electronics.
Practical guidance is kept separate from manufacturer wording.The station detects an abnormal condition in the mop-washing sink or the water-removal path around it.
Inspect the mop-washing tray and cleaning sink for accumulated debris or standing dirty water. Clean the user-removable tray and water path components and make sure they are correctly reinstalled before retrying.
Mop-washing tray, cleaning sink, drain openings and overflow area.
If the sink repeatedly fills or triggers the alert immediately after cleaning, investigate the station's dirty-water removal path rather than the robot's onboard water system.
Practical guidance is kept separate from manufacturer wording.The robot reports that dust or residue is affecting the anti-drop sensor windows underneath the robot.
Power off the robot, inspect the anti-drop sensor windows underneath, and gently wipe visible dust or residue away with a clean soft cloth before restarting.
Anti-drop sensor windows on the underside of the robot.
If the alert returns immediately after the sensor windows are clean, inspect for a damaged, obscured or contaminated sensor surface before considering a sensor fault.
Practical guidance is kept separate from manufacturer wording.The robot detects that the front bumper is not moving or returning normally.
Make sure any bumper protection strip has been removed. Tap the left, center and right portions of the bumper and confirm that each moves freely and springs back, then restart the robot.
Front bumper travel, bumper gap and obstruction points.
A bumper that remains mechanically stuck after visible debris is removed should be treated as a bumper-mechanism or collision-sensor issue rather than a navigation-map problem.
Practical guidance is kept separate from manufacturer wording.The robot does not begin or maintain charging when docked at the OMNI station.
Confirm the wall outlet and station have power and the station cable is seated. Make sure the robot power switch is on, try automatic return or manual docking, then clean the charging contacts on both the station and robot.
Station power, charging contacts and robot docking position.
If both automatic and manual docking fail after station power and charging contacts are confirmed, treat the fault as a charging-path or docking issue rather than a cleaning-setting problem.
Practical guidance is kept separate from manufacturer wording.The station has clean water available but does not dispense it through the expected cleaning-water path.
Confirm the clean-water tank is installed flat and fully seated with no object between the tank and station. Check that the sealing plug is fitted correctly, and rinse the relevant filter or hose according to ECOVACS guidance if flow remains blocked.
Clean-water tank seating, sealing plug, filter and water hose/path.
After tank seating and simple flow restrictions are ruled out, persistent no-flow behavior points toward a station water-path, valve or pump-side issue that may require service.
Practical guidance is kept separate from manufacturer wording.The OMNI station is not detecting or using the clean-water tank as expected.
Remove and reseat the clean-water tank, confirm that it contains water and sits level in its bay, and inspect the tank seating and sealing areas for debris or an incorrect fit.
Clean-water tank, tank bay, seating points and seals.
A correctly filled tank that repeatedly triggers the alert after reseating can indicate a tank-detection, seating or station water-system problem.
Practical guidance is kept separate from manufacturer wording.The robot has difficulty moving and reports that one or both drive wheels should be checked.
Power off and turn over the robot. Press and rotate each drive wheel, remove hair or debris wrapped around the wheel area, and wipe or brush away visible dirt or stains before testing again.
Left and right drive wheels, wheel wells and wheel travel.
A wheel that still binds, sits unevenly or does not move through its normal travel after cleaning may indicate a wheel-module or drive-motor fault.
Practical guidance is kept separate from manufacturer wording.The OMNI station reports that the dust bag is not installed correctly or is not being detected as expected.
Open the dust-bag compartment, remove and reinstall the bag fully in its holder, make sure the bag opening is not folded or obstructed, and clear visible debris from the installation area before closing the compartment.
Dust-bag holder, bag opening and installation-detection area.
If a correctly fitted compatible bag repeatedly produces the installation alert, inspect the holder and detection mechanism before replacing unrelated station components.
Practical guidance is kept separate from manufacturer wording.The robot follows an unusually disorganized or inconsistent route instead of its expected systematic cleaning pattern.
Clear temporary obstacles around the robot, inspect the drive wheels and navigation-sensor surfaces for dirt or debris, place the robot in an open known area, and retry a cleaning run without manually relocating it during the mission.
Navigation sensors, drive wheels, mapped environment and temporary obstacles.
Rule out wheel slip, blocked sensors and environmental changes before rebuilding the map; route disorder can be caused by physical navigation inputs as well as map data.
Practical guidance is kept separate from manufacturer wording.The robot detects an abnormal condition with its laser navigation sensor.
Gently rotate the laser unit so the radar lens faces forward as directed by ECOVACS, wipe the laser-sensor lens clean, and restart the robot.
Laser sensor module, radar lens and surrounding opening.
If the laser unit cannot move normally or the alert returns with a clean lens, treat it as a LiDAR-module or sensor-mechanism issue rather than a mapping-only problem.
Practical guidance is kept separate from manufacturer wording.The map in the ECOVACS app appears distorted, skewed or contains overlapping areas that do not match the home's layout.
Confirm the station has not been moved and avoid manually relocating the robot during a cleaning or mapping run. Let the robot start from the station and reassess the map after a normal run; rebuild the map only if the distortion remains persistent.
Saved map, station position and robot localization behavior.
Treat a one-off map shift differently from a persistent localization fault. Preserve a usable map while checking station position and localization before choosing a full remap.
Practical guidance is kept separate from manufacturer wording.The station supplies wash water, but the water is not reaching the expected heated condition during mop washing.
Fill the clean-water tank. In the ECOVACS app, open the station advanced settings and confirm the wash method is set to Standard or Deep as applicable. ECOVACS notes that heating is dynamic and the first wash cycles can be at a lower temperature.
Clean-water supply, station wash settings and hot-water wash cycle.
Do not diagnose the heater from the temperature of the first water output alone; first confirm the correct wash mode and allow the normal heating cycle to operate.
Practical guidance is kept separate from manufacturer wording.The robot sometimes contacts or fails to recognize obstacles that its obstacle-avoidance system would normally detect.
Clean the front obstacle-detection sensor and camera areas with a soft clean cloth, remove anything covering the sensor windows, improve visibility around the test area, and retry after restarting the robot.
Front obstacle sensors, camera/sensor windows and the immediate environment.
If performance remains consistently poor with clean unobstructed sensors, compare behavior across several obstacle types before treating it as a sensor or vision-system fault.
Practical guidance is kept separate from manufacturer wording.The robot detects excessive resistance or tangling around the roller mop.
Stop and power off the robot, remove the roller mop according to the ECOVACS removal procedure, clear hair, fibers and debris from the roller and its ends, then reinstall it correctly and test again.
Roller mop, roller ends, bearing/drive interface and surrounding channel.
If the roller is clean but still cannot rotate freely, inspect the roller-end interfaces and drive mechanism for binding or damage.
Practical guidance is kept separate from manufacturer wording.The OMNI station reports an abnormal condition related to the waste-water tank.
Remove the waste-water tank, empty it if full, reinstall it firmly and level, and inspect the tank, lid, seals and seating area for debris or an incomplete fit.
Waste-water tank, lid, seals and station tank bay.
If the tank is empty, correctly assembled and fully seated but the alert remains, the problem may be in tank detection or the station's dirty-water handling path.
Practical guidance is kept separate from manufacturer wording.The station detects an abnormal condition in the mop-washing sink, commonly involving tray installation, overflow sensing or wastewater drainage.
Confirm the mop-washing tray and overflow float are installed correctly, verify the float moves freely and its magnet is present, then check for standing water, clean the dirty-water tank seal/connection and use auxiliary drain if needed.
Mop-washing tray, overflow float, dirty-water tank connection and wastewater drain path.
If water remains in the tray after cleaning the drain path and reseating the tank, the wastewater pump or drainage path becomes a stronger service suspect.
Practical guidance is kept separate from manufacturer wording.The front bumper is not rebounding or is being detected as stuck.
Remove the collision protection strip if still fitted, gently press/tap the left, center and right bumper areas to confirm free rebound, then power-cycle the robot.
Front bumper travel, bumper gaps and bumper sensors.
If the bumper returns freely but the alert persists, inspect the bumper-sensing mechanism or internal connection.
Practical guidance is kept separate from manufacturer wording.The robot does not begin charging when it docks or is placed on the station.
Confirm the outlet and station power cable are working, switch the robot on, manually or automatically dock it, and clean the charging contacts on both the station and robot.
Station power supply, rear robot charging contacts and station charging contacts.
If the station is powered and clean contacts still do not start charging, inspect docking alignment, contact assemblies and charging electronics.
Practical guidance is kept separate from manufacturer wording.The robot cannot locate the station, cannot dock successfully, or leaves the station after docking.
Clear the area in front of the station, confirm it is powered and has not moved, keep the route open and the station on level flooring, check that the map shows the station, then clean charging contacts and verify roller mop, base and wash tray installation.
Station placement, map station icon, return route, floor level, charging contacts, roller mop and wash tray.
Separate 'cannot find station' from 'finds but cannot dock': the former points to placement/map/navigation, while the latter more strongly involves alignment, contacts or station mechanics.
Practical guidance is kept separate from manufacturer wording.The station does not deliver clean water during mop cleaning or self-cleaning.
Remove and level the clean-water tank, clear obstructions at the tank/station interface, verify the sealing plug is secure, then remove and rinse the tank filter and attached hose before reinstalling.
Clean-water tank, sealing plug, filter, hose and station water-supply path.
If the filter, hose and tank interface are clear but water still does not dispense, the station supply pump or valve path may need service.
Practical guidance is kept separate from manufacturer wording.The station cannot confirm an adequate clean-water level or proper clean-water tank installation.
Remove the clean-water tank, check that its float is in place and moves normally, refill without overflowing, secure the lid latches and reinstall the tank fully.
Clean-water tank, internal float, lid/latches and station tank seating.
If a full correctly seated tank still triggers the alert, inspect the float and tank-detection/level-sensing area.
Practical guidance is kept separate from manufacturer wording.The robot detects an abnormal condition in its onboard dirty-water box or drainage mechanism.
Remove and empty the dirty-water box, clean its filter, reinstall the lid firmly, check the drain port for blockage, and confirm the drain rod moves up and down smoothly when tested as instructed.
Robot dirty-water box, filter, drain port and drain rod.
If the box and drain port are clear but the alert persists, inspect the drain actuator/rod mechanism and its sensing.
Practical guidance is kept separate from manufacturer wording.The station reports that the dirty-water tank is either full or not correctly detected.
Remove and empty the dirty-water tank, clean residue, confirm its float moves normally, secure the lid latches and reinstall the tank completely.
Dirty-water tank, float, lid/latches and station tank seating.
If an empty correctly seated tank still triggers the alert, inspect float movement and tank detection before the wastewater pump.
Practical guidance is kept separate from manufacturer wording.The robot has difficulty moving, slips, or a drive wheel does not move smoothly.
Power off the robot, remove the robot dirty-water box as instructed, turn the robot over, press and rotate each drive wheel to remove tangled debris, then wipe the wheel surfaces clean.
Left and right drive wheels, wheel wells and tread surfaces.
If a wheel remains stiff or slips after cleaning, inspect the affected drive-wheel module for mechanical wear or failure.
Practical guidance is kept separate from manufacturer wording.The station reports that the disposable dust bag is full and needs replacement.
Remove and discard the full bag, wipe the dust-bin compartment with a dry cloth, install a new compatible bag, close the cover and reset the dust-bag maintenance status in the app.
Station dust bag, bag compartment and evacuation airflow path.
If a new correctly installed bag immediately reports full, check the evacuation path and bag sensing before the suction motor.
Practical guidance is kept separate from manufacturer wording.The station does not recognize the dust bag as correctly installed.
Disconnect station power, remove the dust-bin cover and dust bag, reinstall the bag fully, close the cover, reconnect power and retry dust collection from the app.
Dust bag collar, bag compartment, cover and bag-detection area.
If the correct bag is fully seated but the alert remains, inspect the bag-detection switch/sensor or alignment.
Practical guidance is kept separate from manufacturer wording.The robot keeps more distance from baseboards or obstacles than expected and does not mop close to the edge.
Set TruEdge 3.0 to Extreme for closer edge cleaning, then clean the edge sensor if the distance is still excessive. Note that some dark matte or metal baseboards can affect sensing.
TruEdge 3.0 setting, edge sensor and baseboard surface.
If Extreme mode is enabled and the edge sensor is clean, some safety distance can still be normal with difficult reflective or dark surfaces.
Practical guidance is kept separate from manufacturer wording.The robot spins in place or follows abnormal-looking movement patterns.
Clean dust from the front laser module, reduce excessive obstacle clutter, and wipe dirt from the drive wheels before retrying.
Front laser module, drive wheels and obstacle density in the cleaning environment.
If paths remain abnormal in a simple open area with clean sensors and wheels, investigate localization/navigation hardware or software state.
Practical guidance is kept separate from manufacturer wording.The robot returns to the station for cleaning cycles more often than expected.
Check the app for dirty-water-box errors and clean the dirty-water box if needed. If AI stain recognition is enabled, disable it temporarily because complex floor textures or lighting can cause false stain detection.
Robot dirty-water box, app alerts and AI stain-recognition setting.
Frequent returns can be behavior triggered by sensing/settings rather than a station fault; resolve dirty-water-box alerts and false stain detection first.
Practical guidance is kept separate from manufacturer wording.The station runs dust collection but debris remains in the robot bin or evacuation is weak.
Set dust collection to Standard + High Frequency, secure the robot dust-bin cover, keep at least about 1.5 cm clearance at the station rear exhaust, clear large debris from robot/station dust channels, and clean damp debris from the bin.
Robot dust-bin cover, dust channel, station inlet, rear exhaust clearance and bin moisture.
Air leakage, blockage and damp debris are higher-priority causes than the evacuation motor; only suspect the motor after airflow restrictions are excluded.
Practical guidance is kept separate from manufacturer wording.The robot reports that its laser navigation sensor is not operating normally.
Gently position the laser assembly as instructed, rotate the radar glass lens to the front, clean it lightly with a small brush or clean cloth, then power-cycle the robot.
Front laser/radar assembly and its glass lens.
If the alert returns with a clean freely positioned laser assembly, the laser module or its internal connection may require service.
Practical guidance is kept separate from manufacturer wording.The robot or station produces abnormal noise beyond the expected sound from the selected suction or dock operation.
Use Standard suction for comparison, check the caster, side brush, main brush, roller mop, dust bin and suction inlet for debris; for station noise, inspect drying, dust-bag installation, wash tray and dirty-water tank.
Caster, brushes, roller mop, suction path, dust bag, wash tray, dirty-water tank and drying system.
Isolate whether the noise comes from the robot or a specific station function; persistent motor noise after cleaning should be serviced rather than masked by settings.
Practical guidance is kept separate from manufacturer wording.Areas remain uncleaned after the robot reports the cleaning task as complete.
Set AIVI 3D 3.0 to Standard, review carpet properties at room entrances, note that obstacles or thresholds above about 2 cm can block access, and reduce clutter around entrances.
AIVI settings, carpet/threshold properties, room entrances and obstacle layout.
Missed areas are often caused by access or obstacle-avoidance settings; confirm the robot can physically enter the area before suspecting a navigation module.
Practical guidance is kept separate from manufacturer wording.The robot does not complete pairing or network connection in the ECOVACS HOME app.
Keep the robot and phone in strong Wi-Fi coverage, scan the robot QR code, enter the correct Wi-Fi password, switch the robot on, briefly press reset to release the Bluetooth hotspot, then follow the app pairing prompts.
ECOVACS HOME app, Wi-Fi signal, robot reset/Bluetooth hotspot and network credentials.
If setup repeatedly fails with correct credentials and strong signal, test the network environment before suspecting the robot Wi-Fi module.
Practical guidance is kept separate from manufacturer wording.The robot occasionally touches or fails to avoid obstacles as expected.
Clean the line-laser module in the center of the front bumper and confirm AIVI 3D is enabled in robot settings.
Front line-laser module, AIVI 3D setting and obstacle characteristics.
Some light contact with black or thin linear objects can be normal; persistent broad obstacle-detection failure with a clean sensor warrants further sensor diagnosis.
Practical guidance is kept separate from manufacturer wording.The roller mop or roller cavity is obstructed and the roller cannot turn normally.
Extend and remove the roller mop, clean the roller and roller cavity, rotate the cavity bearing to confirm smooth movement, reinstall the roller correctly and restart the robot.
Roller mop, end cover, roller cavity, bearing and roller motor interface.
If the roller and bearing move freely but the alert persists, the roller motor/drive or sensing may require service.
Practical guidance is kept separate from manufacturer wording.The TruEdge roller mop does not extend toward the edge during cleaning.
Enable TruEdge Adaptive Edge Mopping in advanced settings, confirm the mode is Vacuum and Mop, and clean any debris that may be jamming the roller mop.
TruEdge setting, cleaning mode and roller extension mechanism.
If settings are correct and the roller is clear but it still will not extend, inspect the extension actuator or its drive mechanism.
Practical guidance is kept separate from manufacturer wording.A saved scheduled task does not begin at the expected time.
Confirm the robot is powered on, Do Not Disturb is not active at that time, battery level is sufficient, and the scheduled task is correctly saved in the app.
Power state, battery level, Do Not Disturb settings and scheduled-task configuration.
If settings and battery are correct but schedules repeatedly fail, check app/network state and firmware before hardware.
Practical guidance is kept separate from manufacturer wording.The station does not boot normally or illuminate its indicator immediately after power is disconnected and reconnected.
Disconnect station power completely, wait about 30 seconds for residual voltage to dissipate, then reconnect power and observe startup.
Station power input, power cable and station startup electronics.
If the station remains unpowered after the wait with a confirmed working outlet and secure cable, inspect the station power supply/electronics.
Practical guidance is kept separate from manufacturer wording.The robot cannot climb or pass a threshold that should be within its supported crossing range.
Add a Threshold Ramp at the location in the app, power off and turn the robot over, clean the drive wheels, and remove any debris around the blue climbing claws.
Threshold map setting, drive wheels and climbing claws.
If the map ramp is configured and climbing parts are clean but crossing performance is poor, inspect wheel traction and climbing-mechanism movement.
Practical guidance is kept separate from manufacturer wording.ECOVACS states that slight cable twisting during retraction can be normal because of coiling tension.
Pick up WINBOT securely and gently rotate it in the opposite direction of the twist to release cable tension, then allow retraction to continue.
Compound-cable twist and retraction path.
Do not diagnose the retraction mechanism as faulty for a slight normal twist that clears with tension release. Investigate further only if retraction remains jammed or the cable is damaged.
Practical guidance is kept separate from manufacturer wording.The driving thread or track cannot move freely because a foreign object or debris is blocking it.
Use the app to guide WINBOT to a safe position and remove it from the glass. Inspect the driving thread/track for foreign objects, remove any debris and restart the robot.
Driving threads/tracks and track path.
Clear external obstruction before diagnosing a track drive motor or transmission fault.
Practical guidance is kept separate from manufacturer wording.The alert can occur when WINBOT is initially attached too close to the edge and cannot complete its edge-detection check normally.
Hold the handle firmly, press and hold Start for at least about 2 seconds to stop/remove WINBOT safely, then reattach it more than approximately 10 cm from the window edge.
Initial attachment position relative to the window edge.
Treat this as an attachment-position condition first rather than an edge-sensor failure.
Practical guidance is kept separate from manufacturer wording.WINBOT has stopped after detecting an abnormal hardware or operating condition. Excessive glass tilt is one documented cause; ECOVACS states the robot is intended for glass within approximately -45° to +45° relative to the vertical plane.
Check the glass tilt and environment. If the robot is attached to the glass, hold the power cord securely without standing directly beneath the robot, move it to a reachable position, then hold START for at least 2 seconds to stop the fan before removal. If it is not attached, power-cycle the unit. If the alarm persists after restart, contact service.
Glass tilt, operating environment and overall hardware state.
Treat a single cleared alarm as potentially temporary. Persistent alarms after correct positioning and restart require model-specific diagnosis rather than guessing a component.
Practical guidance is kept separate from manufacturer wording.The robot cannot maintain the expected air pressure against the glass. Window gaps or low obstacles can cause the alert, and an incorrectly seated sealing foam or worn wiping pad can also reduce the seal.
Move WINBOT to a safe retrieval point in the app, hold the handle and stop the fan before removal. Check the window for gaps or low obstacles. Remove the wiping-pad assembly, press the red sealing foam into its proper seated position, reinstall the pad assembly and retry. Replace a worn or deformed pad if low-pressure alerts recur.
Window surface/gaps, wiping-pad assembly, sealing foam and pad condition.
Rule out environmental gaps, sealing-foam seating and pad wear before diagnosing the fan, pressure sensing or internal suction hardware.
Practical guidance is kept separate from manufacturer wording.No water spray is not always a fault. ECOVACS documents several normal no-spray states, including edge cleaning, small windows under 40 cm wide, return-to-start movement, remote control except manual spray, and when Auto-spraying is disabled.
First rule out a normal no-spray state. Then check the water level, refill if needed, wipe the spray nozzles with a clean damp cloth, confirm Auto-spraying is enabled in the ECOVACS HOME App, and use the front/rear nozzle test if available. ECOVACS advises using its cleaning solution or tap water rather than purified/distilled water.
Operating mode, water tank level, spray nozzles and Auto-spraying setting.
Do not diagnose a pump or water-line fault until the documented normal no-spray conditions, tank level, nozzle blockage and app setting have been ruled out.
Practical guidance is kept separate from manufacturer wording.The robot loses traction or slides on the glass. ECOVACS identifies dirty or oily drive treads, an unremoved bumper protector, an over-wet wiping pad and damp glass as common contributors.
Clean the driving treads and remove dirt or oil. Confirm any bumper protector strip has been removed. Check whether the wiping pad is oversaturated and replace it if needed. Dry a section of damp glass before reattaching WINBOT and avoid use in very humid or rainy conditions.
Drive treads, bumper protector, wiping pad moisture and glass surface.
Restore traction and correct pad/glass moisture before diagnosing drive hardware or suction-system faults.
Practical guidance is kept separate from manufacturer wording.The station suction pad is mechanically linked to the handle; nearby obstructions or a handle that cannot drop fully can prevent the suction pad from engaging properly.
Place the station on a suitable surface with no wall or furniture within about 10 cm. Release/drop the handle fully so the suction pad engages automatically. To move the station, lift the handle so the pad releases.
Station placement clearance, handle travel and suction-pad engagement.
Rule out placement and incomplete handle travel before diagnosing the suction-pad linkage or station base.
Practical guidance is kept separate from manufacturer wording.WINBOT has stopped because it cannot continue moving safely, often because the drive tracks are obstructed.
Use the ECOVACS HOME App to move WINBOT to a safely reachable position. Hold the handle firmly, press and hold the power button for about 2 seconds until the fan stops, remove the robot, then inspect the drive-wheel tracks for foreign objects and clear any debris before restarting.
Drive tracks, track surfaces and surrounding obstructions.
Retrieve the robot safely and clear mechanical obstruction before diagnosing a drive motor, track assembly or control fault.
Practical guidance is kept separate from manufacturer wording.WINBOT W2 can become stuck on very low obstacles or frames below about 4 mm because its bumper and spherical sensors may not detect them as reliably as taller obstacles.
Use the app to move W2 to a reachable position, hold the handle and stop the fan before removal. Check that the front and rear bumpers rebound normally, clean dirt from the bumper and driving threads, and remove low obstacles from the glass if possible before retrying.
Low window obstacles/frames, front and rear bumper and driving threads.
Treat sub-4-mm obstacles as an environmental limitation first; clean the bumper and tracks before diagnosing obstacle sensors or drive hardware.
Practical guidance is kept separate from manufacturer wording.The station/robot detects that the scrubber cannot move normally because debris or a foreign object is obstructing it.
Inspect the scrubber for debris or foreign objects, gently clear any blockage with an appropriate tool, reattach WINBOT and restart the cleaning cycle.
Scrubber and surrounding moving mechanism.
Clear mechanical obstruction before diagnosing the scrubber motor, drive mechanism or control electronics.
Practical guidance is kept separate from manufacturer wording.The station detects wastewater accumulating in the cleaning compartment instead of draining normally into the dirty-water tank.
Remove the dirty-water tank and inspect the lid seal ring for debris, clean and reinstall the sealing plug, then reseat the tank firmly. Open the cleaning compartment and check whether the drain outlet underneath is blocked by debris; clean it if needed.
Dirty-water tank seal ring, sealing plug, tank seating and cleaning-compartment drain outlet.
Rule out tank sealing, seating and a blocked drain outlet before diagnosing the station drainage pump, tubing or water-level sensing.
Practical guidance is kept separate from manufacturer wording.The station can report a low or missing clean-water tank, or a dirty-water tank that is full or not installed. ECOVACS uses tank floats, latches and a bottom magnet on the clean-water tank as part of these checks.
For low clean water, refill the tank and confirm its float moves freely. For a missing clean-water alert, inspect and clean the bottom magnet and verify it still has magnetism. For dirty-water alerts, empty the tank, confirm its float moves freely, close the lid securely and reinstall the tank.
Clean-water tank float and magnet, dirty-water tank float, lids/latches and tank seating.
Resolve tank level, seating, float movement and the clean-tank magnet before diagnosing station tank sensors or the station control board.
Practical guidance is kept separate from manufacturer wording.The station cannot complete the wiping-pad cleaning cycle normally because the washing brush plates, their bearings, the cleaning compartment or wiping pad may be obstructed or installed incorrectly.
Open the cleaning compartment, inspect the four washing brush plates for tangles or foreign objects, remove and clean them and their bearings if needed, then reinstall each plate until it clicks into place. Remove any blockage inside the compartment and reinstall the wiping pad securely before retrying.
Four washing brush plates, bearings, cleaning compartment and wiping pad installation.
Rule out tangles, blocked compartment paths and incorrect pad/plate installation before diagnosing the station wash motor or control board.
Practical guidance is kept separate from manufacturer wording.The station detects an abnormal wash-sink condition involving tray installation, overflow sensing or wastewater drainage.
Confirm the mop-washing tray and overflow float/magnet are installed correctly, make sure the float moves freely, clean the dirty-water tank seal and connection, use auxiliary drain, and clean standing water/debris from the tray.
Mop-washing tray, overflow float, dirty-water tank interface and wastewater drain path.
If water cannot be drained after these checks, the wastewater pump or drainage path becomes the stronger service area.
Practical guidance is kept separate from manufacturer wording.The robot returns to charge but does not automatically resume an unfinished cleaning task.
Enable Auto Resume in settings, verify Do Not Disturb is not active, and use Auto cleaning mode because Auto Resume may not apply to every task type.
Auto Resume setting, Do Not Disturb schedule and cleaning mode.
This is primarily a settings/task-mode condition; verify app configuration before troubleshooting battery or navigation hardware.
Practical guidance is kept separate from manufacturer wording.The robot detects that its front bumper is stuck or not springing back normally.
Remove the bumper protector strip if present, gently tap the left, center and right bumper sections to confirm rebound, then restart the robot.
Front bumper travel, bumper gaps and bumper sensors.
If the bumper moves freely but the alert persists, inspect the bumper-sensing mechanism or internal connection.
Practical guidance is kept separate from manufacturer wording.The robot does not charge or power on normally when using the OmniCyclone station.
Confirm the outlet and station power cable are live, switch the robot on, try automatic or manual docking, then clean the charging contacts on the station and rear of the robot.
Station power input, robot power state and charging contacts.
If power and contact cleanliness are confirmed but charging still fails, inspect docking alignment, contact assemblies and charging electronics.
Practical guidance is kept separate from manufacturer wording.The station does not dispense clean water during mopping or self-cleaning.
Remove and level the clean-water tank, clear foreign objects at the tank/station interface, ensure the sealing plug is fitted tightly, then remove the filter and hose and rinse the filter before reinstalling.
Clean-water tank, sealing plug, filter, hose and station water path.
If the tank, filter and hose are clear but no water is delivered, the station pump or valve path may require service.
Practical guidance is kept separate from manufacturer wording.The station reports an abnormal clean-water tank condition, such as low level or incorrect tank/float state.
Remove the clean-water tank, refill it, confirm the float resets freely, secure all lid latches and reinstall the tank fully.
Clean-water tank, float, lid/latches and station seating.
If a full correctly seated tank still reports an anomaly, inspect float movement and tank detection/level sensing.
Practical guidance is kept separate from manufacturer wording.The station reports that the disinfectant or heavy-duty cleaning-solution reservoir is low.
Remove the relevant solution tank, refill it with the specified ECOVACS cleaning solution, reinstall it securely, then reset the corresponding maintenance item in the app.
Cleaning-solution tanks, station seating and maintenance status in the app.
If a filled correctly seated tank still reports low, inspect the solution-level detection or tank interface.
Practical guidance is kept separate from manufacturer wording.The robot detects an abnormal condition in the onboard dirty-water box or drainage mechanism.
Remove and empty the dirty-water box, clean its filter and secure the lid, clear the drain port, then press/release the charging contacts as instructed to confirm the drain rod moves smoothly.
Robot dirty-water box, filter, drain port and drain rod.
If the box and drain port are clear but the alert remains, inspect the drain rod/actuator and its sensing.
Practical guidance is kept separate from manufacturer wording.The station reports an abnormal dirty-water tank condition.
Remove and empty the dirty-water tank, clean residue, confirm the float returns freely, secure the top lid/clips and reinstall the tank.
Dirty-water tank, float, lid/clips and station seating.
If an empty correctly seated tank still reports an anomaly, inspect float movement and tank detection before the wastewater pump.
Practical guidance is kept separate from manufacturer wording.The robot cannot confirm that its removable drip/water tray is installed.
Power off the robot, remove the dirty-water box before turning it over, remove and inspect the tray, confirm its magnet is present, reinstall until it clicks, then restart.
Drip tray, tray magnet, latch and tray-detection area.
A missing tray magnet is a direct reason for the alert; if the magnet is present and seating is correct, inspect detection sensing.
Practical guidance is kept separate from manufacturer wording.The robot reports movement difficulty or slipping and the drive wheels may be obstructed or dirty.
Power off the robot, remove the dirty-water box before turning it over, press and rotate the drive wheels to clear tangles, then wipe the wheel surfaces clean.
Left and right drive wheels, wheel wells and tread surfaces.
If a wheel stays stiff or slips after cleaning, inspect the affected drive-wheel module for mechanical wear or failure.
Practical guidance is kept separate from manufacturer wording.The robot spins, zigzags unexpectedly or follows abnormal-looking routes.
Clean the central laser/navigation module, reduce excessive obstacle clutter, and wipe dirt from the drive wheels before retrying in an open area.
Laser/navigation module, drive wheels and obstacle density.
If movement remains abnormal in a simple open area with clean sensors and wheels, investigate localization/navigation hardware or software state.
Practical guidance is kept separate from manufacturer wording.The saved map appears skewed, shifted or overlapping and no longer matches the home layout.
Use Map Management > Restore Map to return to the initial saved version. If that map is no longer suitable, delete it and create a new map.
Saved Smart Map and map history in the ECOVACS HOME app.
Use restore/rebuild steps before replacing navigation parts unless the robot also shows persistent sensor or localization faults.
Practical guidance is kept separate from manufacturer wording.The robot reports cleaning complete but leaves some accessible areas uncleaned.
Set AIVI 3D 3.0 to Standard, review carpet properties at room entrances, reduce clutter, and check whether thresholds or obstacles exceed the robot's crossing capability.
AIVI settings, carpet/threshold properties, room entrances and obstacle layout.
Confirm the robot can physically access the missed area before suspecting navigation hardware.
Practical guidance is kept separate from manufacturer wording.The station wash system does not appear to heat or dispense hot water as expected.
Fill the clean-water tank and set the wash method to Standard or Deep Wash in the app. Allow for the fact that heating is dynamic and initial wash water may be cooler.
Clean-water level, wash-mode setting and station water-heating system.
Only suspect the heater after confirming adequate water, a compatible wash mode and repeated lack of heating beyond the initial wash stage.
Practical guidance is kept separate from manufacturer wording.The robot occasionally touches or fails to avoid obstacles as expected.
Clean the front obstacle-sensing module and confirm AIVI 3D is enabled in robot settings. Very dark, thin or thread-like objects may be harder for the system to detect.
Front obstacle sensor, AIVI 3D setting and obstacle characteristics.
Persistent broad obstacle-detection failure with clean sensors in a simple environment warrants further sensor diagnosis.
Practical guidance is kept separate from manufacturer wording.The robot still cannot complete a full-home cleaning mission even after PowerBoost Charging is enabled.
Set suction to Standard mode and set the station Mop Washing Frequency to a 10-minute time interval, then retry the full-house job.
Suction setting, PowerBoost charging behavior and mop-washing frequency.
This symptom can be caused by energy use and overly frequent station cycles; optimize those settings before judging battery or charging hardware.
Practical guidance is kept separate from manufacturer wording.The roller mop or its cavity is obstructed and the roller cannot move normally.
Extend and remove the roller mop, remove its end cover and clean it, clear the roller cavity, confirm the motor bearing spins smoothly, then reinstall the roller until it clicks and restart.
Roller mop, end cover, roller cavity, bearing and roller-motor interface.
If the roller and bearing are clean and free but the alert persists, the roller drive or sensing may require service.
Practical guidance is kept separate from manufacturer wording.The TruEdge roller mop does not extend outward during edge mopping.
Enable TruEdge Adaptive Edge Mopping, confirm the cleaning mode is Vacuum and Mop, and remove debris that may jam the roller.
TruEdge settings, cleaning mode and roller extension mechanism.
If settings are correct and the roller is clear but does not extend, inspect the extension actuator or drive mechanism.
Practical guidance is kept separate from manufacturer wording.A saved scheduled task does not begin at the expected time.
Confirm the robot is powered on, has enough battery, is not in Do Not Disturb mode or already busy, and that the schedule is saved and enabled in the app.
Power state, battery level, Do Not Disturb settings and scheduled-task configuration.
If settings and battery are correct but schedules repeatedly fail, check app/network state and firmware before hardware.
Practical guidance is kept separate from manufacturer wording.The robot can locate the station but slips near it or cannot complete the docking maneuver.
Dry the mop-washing tray and floor around the station, clean the drive wheels, then remove and correctly reinstall the roller mop and washing tray.
Station approach surface, drive-wheel traction, roller mop and wash tray installation.
When the station is found but docking fails, traction, alignment and station mechanical setup are higher-priority than map localization.
Practical guidance is kept separate from manufacturer wording.The robot cannot cross a threshold that should be within its supported climbing range.
Add a Threshold Ramp in the app, power off and clean the drive wheels and climbing claws, and verify the claws can move freely.
Threshold map setting, drive wheels and climbing mechanism.
If the ramp is configured and climbing parts are clean but crossing remains poor, inspect traction and the climbing mechanism.
Practical guidance is kept separate from manufacturer wording.Verified coverage
Coverage is limited to models and symptoms supported by the cited manufacturer material. It expands only after verification.
The robot reports the bin full and the DustCompactor arm may no longer be moving normally.
Empty the bin and inspect the DustCompactor mechanism for packed debris or anything preventing free movement.
DustCompactor arm, bin interior and debris path.
If the compactor cannot move freely after cleaning, the bin/compactor mechanism is a stronger suspect than the dock.
Practical guidance is kept separate from manufacturer wording.Error 14 or 1-4 means Roomba is not detecting the installed dust bin.
Confirm the bin is fully installed. Clean the bin contacts on the bin and robot with a lightly dampened melamine foam or equivalent as directed by iRobot. If the message persists, the bin may require replacement.
Dust-bin installation and bin electrical contacts.
Confirm seating and clean the contacts before replacing the bin or diagnosing the robot's bin-detection circuit.
Practical guidance is kept separate from manufacturer wording.On Roomba 800 Series, Error 11 is identified by iRobot as a vacuum error associated with the AeroForce bin system.
Inspect the AeroForce bin and vacuum path for obstruction and make sure the bin is installed correctly. Use the iRobot HOME App troubleshooting guidance on Wi-Fi-connected models.
AeroForce bin, vacuum airflow path and suction components.
Rule out an airflow blockage or bin problem before diagnosing the vacuum motor or bin electronics.
Practical guidance is kept separate from manufacturer wording.On Roomba 800 Series, Error 18 indicates that the robot cannot return to the Home Base or its starting position.
Check that the Home Base is powered and accessible, remove obstacles from the return path, and clean the relevant charging contacts and docking area before retrying.
Home Base position and power, return path, docking area and charging contacts.
Rule out dock placement, obstacles and dirty contacts before diagnosing docking sensors or navigation hardware.
Practical guidance is kept separate from manufacturer wording.On Roomba 800 Series, Error 2 indicates that the debris extractors cannot turn.
Open the extractor frame and remove hair, fibers and debris from the extractors and their end caps. Reinstall the extractors correctly and retry.
Dual extractors, extractor end caps and cleaning-head frame.
Clear mechanical obstruction before diagnosing the cleaning-head module or extractor drive motor.
Practical guidance is kept separate from manufacturer wording.On Roomba 800 Series, Error 9 indicates that the bumper is compressed or its sensing path is dirty.
Tap and press the bumper to free it and clean the bumper area so that it moves and rebounds normally.
Front bumper, bumper movement and bumper sensor area.
Confirm free bumper movement and remove debris before replacing bumper sensors or the bumper assembly.
Practical guidance is kept separate from manufacturer wording.Charging Errors 6 and 7 indicate that the battery temperature is outside the permitted charging range.
Allow the robot and battery to return to room temperature before charging. iRobot recommends charging at approximately 15.5–23°C (60–75°F) and away from very hot or cold environments.
Battery temperature and charging environment.
Treat temperature as the first cause. If the error persists at normal room temperature, battery-system diagnosis is appropriate.
Practical guidance is kept separate from manufacturer wording.The dock and robot are not communicating normally.
Confirm the dock has power, seat the robot correctly on the dock, clean charging/communication contact areas, reboot the robot and power-cycle the dock.
Dock power, robot seating, contact areas and dock-to-robot communication.
If communication fails consistently with clean contacts and stable power, inspect dock or robot communication electronics.
Practical guidance is kept separate from manufacturer wording.The dock cannot detect the clean-water tank.
Remove and reinstall the clean-water tank, confirm it is the correct tank and is seated fully, then retry the dock operation.
Clean-water tank, tank seating and tank-detection area.
If the tank is correctly seated but Error 450 remains, inspect tank-detection sensing or its connection.
Practical guidance is kept separate from manufacturer wording.The dock reports insufficient clean water for the requested washing or refill operation.
Fill the clean-water tank to the appropriate level, seat it correctly in the dock, and retry.
Clean-water tank, water level and tank seating.
If the tank is full but the error remains, inspect level sensing or tank detection rather than the pump first.
Practical guidance is kept separate from manufacturer wording.The dock has detected a water-pump problem.
Confirm the clean-water tank is filled and seated correctly, inspect accessible water paths for blockage or kinks, power-cycle the dock, then retry.
Dock water pump, clean-water tank and accessible water path.
If supply and seating are correct but Error 455 persists, the base pump or its electrical connection becomes the primary service area.
Practical guidance is kept separate from manufacturer wording.The dock and robot are not communicating correctly during the refill process.
Seat the robot correctly on the dock, clean contact/communication areas, confirm stable dock power, reboot the robot and power-cycle the dock.
Dock-to-robot communication, docking alignment and refill interface.
If alignment and contacts are good but Error 457 persists, inspect refill communication electronics or the dock/robot interface.
Practical guidance is kept separate from manufacturer wording.The dock software needs to be updated or is not in the expected software state.
Keep the dock powered and connected through the robot/app environment, allow pending software updates to complete, then retry after rebooting if instructed.
Dock firmware/software state and network connectivity.
Treat Error 510 as a software-update condition before considering dock hardware replacement.
Practical guidance is kept separate from manufacturer wording.The dock has detected a problem removing dirty water from its wash system.
Confirm the dirty-water tank is installed and not overfilled, inspect the cleaning tray and accessible drain path for debris, then power-cycle the dock and retry.
Dirty-water pump, dirty-water tank, cleaning tray and drain path.
If the tank and drain path are clear but Error 513 persists, the dirty-water pump or its electrical path is the main service area.
Practical guidance is kept separate from manufacturer wording.The dock detects excessive water in the cleaning tray or an overflow condition.
Stop dock water operations, remove standing water if safely accessible, clean the tray and drain path, verify the dirty-water tank is correctly installed and has capacity, then retry.
Cleaning tray, drain path, dirty-water tank and wastewater pump path.
Do not continue wash cycles while the tray is overflowing. Resolve blockage, tank or pump causes before reuse.
Practical guidance is kept separate from manufacturer wording.The robot and dock are not communicating correctly over their infrared communication link.
Clean the robot and dock infrared windows, make sure the dock area is clear and the robot is aligned correctly, then reboot/power-cycle and retry.
Robot and dock infrared windows, alignment and communication path.
Persistent Error 520 with clean unobstructed IR windows points toward the dock or robot IR communication hardware.
Practical guidance is kept separate from manufacturer wording.The dock cannot detect the dirty-water tank.
Remove and reinstall the dirty-water tank, confirm it is the correct tank and seated fully, then retry.
Dirty-water tank, tank seating and tank-detection area.
If the correct tank is fully seated but Error 653 remains, inspect tank-detection sensing or its connection.
Practical guidance is kept separate from manufacturer wording.The dock reports that the dirty-water tank is full and needs to be emptied.
Empty and rinse the dirty-water tank, reinstall it correctly, make sure the lid/seal is seated, then retry.
Dirty-water tank, tank lid/seal and level sensing.
If an empty correctly installed tank still reports full, inspect the level-detection mechanism or contamination around it.
Practical guidance is kept separate from manufacturer wording.The dock and robot cannot complete a required communication exchange.
Confirm stable dock power, seat the robot correctly, clean contact and communication areas, then reboot the robot and power-cycle the dock.
Dock power, docking alignment and dock/robot communication interfaces.
If Error 660 remains with clean interfaces and stable power, inspect communication electronics on the dock and robot.
Practical guidance is kept separate from manufacturer wording.The system cannot detect the mop pad required for the wash or mop operation.
Install or reseat the correct mop pad securely, inspect the pad mount for debris, then retry.
Mop pad, pad mount and pad-detection area.
If a correct pad is fitted but Error 668 persists, inspect pad detection or the mop actuator interface.
Practical guidance is kept separate from manufacturer wording.The mop movement servo cannot complete its expected motion.
Stop the robot, remove debris from the mop pad and actuator path, verify the pad is installed correctly, then reboot and retry.
Mop servo/actuator, pad mount and movement path.
If the actuator path is clear but Error 669 returns immediately, the servo or its drive electronics may require service.
Practical guidance is kept separate from manufacturer wording.The dock cannot detect the cleaning tray in the expected position.
Remove and reinstall the cleaning tray, clear debris from its seating area, confirm it sits fully in place, then retry.
Cleaning tray, tray seating and tray-detection area.
If the tray is correctly installed but Error 670 remains, inspect tray detection or alignment before the water pumps.
Practical guidance is kept separate from manufacturer wording.The dock's clean-water tank is empty or is not detected as installed.
Fill the clean-water tank, reinstall it fully in the dock, and make sure it seats correctly before retrying.
Clean-water tank, tank seating and level/detection area.
If a full correctly installed tank still triggers Error 671, inspect tank detection or level sensing before the pump.
Practical guidance is kept separate from manufacturer wording.Current iRobot documentation associates Error 672 with a dirty-water tank that is full or missing, and also lists 517/672 for an overflow-tray condition on some dock contexts.
Empty and reinstall the dirty-water tank, verify its seating, then inspect the wash/overflow tray and drain path for standing water or blockage before retrying.
Dirty-water tank, wash tray, overflow area and wastewater drain path.
Because iRobot's current table uses 672 in more than one dock context, diagnose from the exact on-screen/voice message and dock model before replacing parts.
Practical guidance is kept separate from manufacturer wording.The mop-drying blower motor is stalled and cannot operate.
Power-cycle the dock, make sure the dryer air inlet/outlet is not externally blocked, and retry a drying cycle.
Mop-drying blower, air path and dock power.
If Error 751 persists after restart with an unobstructed air path, the dryer blower motor or its drive electronics is the main service area.
Practical guidance is kept separate from manufacturer wording.The mop actuator has stalled and cannot complete its normal movement.
Remove and clean the mop pad, clear debris from the actuator movement area, reinstall the pad correctly, then retry.
Mop actuator, pad mount and movement path.
If the movement path is clear but the actuator still stalls, the mop-drive mechanism or servo may require service.
Practical guidance is kept separate from manufacturer wording.The dock and robot are not communicating correctly.
Confirm dock power, seat the robot correctly, clean the communication/contact areas, reboot the robot and power-cycle the dock.
Dock power, docking alignment and robot-to-dock communication interfaces.
Persistent Error 757 with good power and clean interfaces points toward dock or robot communication electronics.
Practical guidance is kept separate from manufacturer wording.Charging Error 1 means the robot cannot sense that a battery is installed, so charging cannot begin.
Remove and reinstall the battery, making sure it is seated correctly. Confirm that an authentic iRobot lithium-ion battery is installed. If the error persists, contact iRobot Customer Care.
Battery seating, battery contacts and battery identity.
Start with battery detection and seating rather than the dock. Do not open or rebuild a lithium-ion battery pack.
Practical guidance is kept separate from manufacturer wording.Charging Error 101 means the robot does not detect an installed battery.
Remove and reinstall the battery, making sure it is seated correctly. Retry charging after reinstallation.
Battery seating, battery contacts and battery connection.
This is primarily a battery-detection fault. Confirm installation and contact integrity before suspecting the dock.
Practical guidance is kept separate from manufacturer wording.Charging Error 102 indicates that a charging fault or over-current condition has been detected.
Confirm that an authentic iRobot lithium-ion battery is installed and check the robot and dock for liquid damage. Stop charging and seek service if liquid damage is present.
Battery identity, robot and dock charging areas, and signs of liquid contamination.
Over-current faults deserve caution. Rule out contamination and unauthorized batteries before diagnosing charging electronics.
Practical guidance is kept separate from manufacturer wording.Charging Error 103 indicates a charging-system fault.
Try charging again and check the robot and dock for liquid damage. If the code persists after a clean, dry retry, contact iRobot support.
Charging contacts, robot charging circuit, dock and evidence of liquid damage.
A recurring 103 code after a clean retry should be diagnosed as a charging-system issue rather than assumed to be a worn battery.
Practical guidance is kept separate from manufacturer wording.Charging Error 104 means no electrical current is being detected between the dock and the robot.
Clean the charging contacts on both the robot and dock and seat the robot correctly on the dock before retrying.
Robot and dock charging contacts, contact alignment and dock connection.
If clean contacts and correct seating do not restore current, investigate the dock power path and robot charging input before replacing the battery.
Practical guidance is kept separate from manufacturer wording.Charging Error 105 means the robot detects abnormally low electrical current while docked.
Clean the charging contacts on both the robot and dock and retry with the robot seated correctly.
Charging contacts, contact pressure/alignment and dock-to-robot power path.
Low current commonly points to poor contact or resistance in the charging path. Resolve contact contamination before deeper electrical diagnosis.
Practical guidance is kept separate from manufacturer wording.Charging Error 106 means the battery is too warm for safe charging.
Move the robot to a room-temperature environment and allow it to cool before trying to charge again.
Battery temperature, room temperature and recent operating/charging conditions.
Do not force charging while a temperature protection code is active. A repeated warm-battery error at normal room temperature should be escalated.
Practical guidance is kept separate from manufacturer wording.Charging Error 107 means the battery is too cold for safe charging.
Bring the robot to room temperature and allow the battery to warm naturally before retrying charging.
Battery temperature and ambient room temperature.
Avoid external heating of the battery. Let the robot reach normal room temperature naturally before charging again.
Practical guidance is kept separate from manufacturer wording.Charging Error 109 means a battery failure has been detected and the battery may need replacement.
Confirm that the battery is an authentic iRobot battery, then remove and reinstall it. If the error persists, the battery may require replacement or service.
Battery identity, seating, battery contacts and repeat behavior.
Persistent 109 after reseating an authentic battery is stronger evidence of a battery fault than of a dock problem.
Practical guidance is kept separate from manufacturer wording.iRobot identifies Charging Error 11 as a battery hardware fault.
Remove the battery from the robot for at least 15 minutes, reinstall it and try a mission again. If the error remains, reboot the robot and confirm that the latest software is installed. If the error still persists, contact iRobot support.
Battery installation and robot reboot or software state.
Because iRobot identifies this as a battery hardware fault, a persistent Error 11 after the official reset steps points to battery or service diagnosis rather than dock cleaning alone.
Practical guidance is kept separate from manufacturer wording.Charging Error 110 indicates a battery cell imbalance, meaning all cells cannot reach full charge evenly.
Stop repeated charge attempts if the code remains and contact iRobot support for battery diagnosis or replacement guidance.
Battery charge behavior and recurrence of the cell-imbalance code.
Cell imbalance is an internal battery condition. Do not open, rebalance or rebuild the battery pack.
Practical guidance is kept separate from manufacturer wording.Charging Error 111 means a battery hardware failure has been detected and the battery may need replacement.
Confirm that an authentic iRobot battery is installed, remove and reinstall it, then retry. If the error persists, contact iRobot support.
Battery identity, seating and persistent hardware-fault message.
A recurring hardware-fault code with an authentic, correctly seated battery points toward battery replacement/service rather than routine contact cleaning.
Practical guidance is kept separate from manufacturer wording.Charging Error 114 indicates an internal battery failure.
Follow iRobot’s guidance to replace the battery with an authentic compatible iRobot battery. Contact support if assistance is needed.
Battery itself and compatibility of the replacement battery.
Do not open or repair the battery pack. This code is specifically an internal battery failure, so use an approved replacement.
Practical guidance is kept separate from manufacturer wording.Charging Error 115 indicates that a battery cell failure was detected during charging.
Stop repeated charging attempts and contact iRobot support for battery replacement or service guidance.
Battery charge behavior and recurrence of the cell-failure code.
This is an internal battery condition. Do not open or attempt cell-level repair of the battery pack.
Practical guidance is kept separate from manufacturer wording.Charging Error 117 means the battery may not be recognized as an authentic iRobot battery.
Confirm that an authentic iRobot battery is installed, then remove and reinstall the battery before retrying.
Battery identity, compatibility, seating and contacts.
If an authentic compatible battery is installed but the warning remains, contact iRobot rather than bypassing the authenticity check.
Practical guidance is kept separate from manufacturer wording.Charging Error 119 means the charging process timed out before completing normally.
Remove and reinstall the battery to clear the condition, clean the charging contacts and retry charging.
Battery seating, robot and dock charging contacts and charge duration.
Resolve seating and contact resistance first. A repeat timeout after clean contacts may require battery or charging-system diagnosis.
Practical guidance is kept separate from manufacturer wording.Charging Error 120 means the battery has a fault or is not ready to accept a charge.
Remove the battery for about 15 minutes, reinstall it and retry. If the error persists, iRobot notes that the battery may need replacement.
Battery seating, recovery after a 15-minute disconnect and charging behavior.
If the code immediately returns after the prescribed reset, battery condition is a more likely target than routine dock maintenance.
Practical guidance is kept separate from manufacturer wording.Charging Error 121 means the robot docked but was unable to charge or was losing charge while docked.
Clean the charging contacts on both the robot and dock, reseat the robot on the dock and retry.
Robot and dock charging contacts, seating and charging stability.
Intermittent charging while docked often points to contact quality or alignment. Confirm those before diagnosing the battery or charging board.
Practical guidance is kept separate from manufacturer wording.Charging Error 17 and Error 23 indicate that the installed battery may not be recognized as an authentic iRobot battery.
Confirm that an authentic iRobot lithium-ion battery is installed. If the message persists, reboot the robot. If it remains after reboot with an authentic battery, contact iRobot support.
Battery identity, battery seating and robot battery interface.
Do not diagnose the dock first for this code pair. Confirm battery authenticity and perform the documented reboot before considering battery-interface hardware.
Practical guidance is kept separate from manufacturer wording.Charging Error 19 means the robot is on the dock but charging has taken too long and timed out, commonly because of a charging-contact, battery-installation, power or hardware issue.
Clean the charging contacts on the robot and dock. Confirm power to the Home Base or Clean Base. Remove and reinstall the battery; if needed, leave it out for at least 30 minutes before reinstalling and retrying.
Charging contacts, dock power, battery seating and battery connection.
Start with contact maintenance and dock power, then reset and reseat the battery before diagnosing the dock, battery or charging hardware.
Practical guidance is kept separate from manufacturer wording.Charging Error 2 means a charging fault or over-current condition has been detected and the battery is not charging.
Run the robot briefly or remove and reinstall the battery to clear the error. Check the robot and dock for signs of liquid damage and confirm that the battery is an authentic iRobot battery. Contact iRobot if the error persists.
Battery, robot charging system, dock and any evidence of liquid damage.
Do not continue charging equipment that shows liquid damage. If no contamination is present and the code persists, service diagnosis is preferable to blind battery or dock replacement.
Practical guidance is kept separate from manufacturer wording.Charging Error 20 indicates that the robot has detected a battery fault.
Confirm that an authentic iRobot lithium-ion battery is installed. Remove and reinstall the battery, then retry charging. If the error persists, contact iRobot support.
Battery pack, battery seating and battery contacts.
Treat this as a battery-side diagnostic first. Reseat the battery and confirm the correct battery before investigating robot charging hardware.
Practical guidance is kept separate from manufacturer wording.Charging Error 21 indicates that the robot is docked but is losing charge instead of remaining charged. Charging-contact maintenance is a common cause.
Unplug the base briefly, then clean the metal charging contacts on both the robot and dock. Confirm the base power connections. If the error remains, remove and reinstall the battery securely.
Robot and dock charging contacts, base power and battery seating.
Rule out dirty or damaged contacts and a loose battery connection before diagnosing the battery or charging hardware.
Practical guidance is kept separate from manufacturer wording.Charging Error 3 indicates that the robot’s charging system is not working properly.
Try charging again and inspect for liquid damage. If Charging Error 3 persists, iRobot advises contacting Customer Care because the robot may require service or replacement.
Robot charging system, charging contacts, dock condition and signs of liquid damage.
A persistent Error 3 is broader than a dirty-contact symptom. Avoid replacing individual charging parts without confirming the failing side of the system.
Practical guidance is kept separate from manufacturer wording.Charging Errors 4 and 5 mean that electrical current is not reaching the robot. The cause can be the robot, battery, Home/Clean Base, power cord, or charging contacts.
Confirm the power cord is firmly connected to the base and wall outlet. Clean the charging contacts on the robot and base. Inspect the contacts for damage or contacts that are stuck down. Remove and reinstall the battery to reboot the robot, and confirm an authentic iRobot lithium-ion battery is installed.
Power cord, Home/Clean Base power, robot/base charging contacts and battery seating.
Start with external power and contact condition. Green/copper-colored or mechanically stuck charging contacts are a strong hardware warning; otherwise reseat the battery before diagnosing the battery or charging electronics.
Practical guidance is kept separate from manufacturer wording.Charging Error 8 indicates that the robot cannot communicate reliably with its battery, so charging is stopped.
Remove and reinstall the battery so it is securely seated. Confirm that the battery is an authentic iRobot battery. If charging is still abnormal, clean the robot and dock charging contacts and retry.
Battery seating, battery contacts and robot/dock charging contacts.
Rule out poor battery seating and dirty contacts before diagnosing the battery pack or the robot’s battery communication circuitry.
Practical guidance is kept separate from manufacturer wording.Charging Error 9 indicates that the robot has detected a permanent battery fault.
Remove the battery from the robot for at least 15 minutes, then reinstall it securely and retry charging. Confirm that an authentic iRobot lithium-ion battery is installed.
Battery pack, battery seating and battery contacts.
If the error remains after the battery reset and reseating procedure, the battery may require replacement; confirm the battery before diagnosing the robot’s charging electronics.
Practical guidance is kept separate from manufacturer wording.The retractable mop-pad actuator is experiencing a hardware problem.
Inspect the pad and actuator area for anything physically blocking movement, make sure the pad is installed correctly, reboot the robot, and retry.
Mop-pad actuator, pad mount and actuator travel path.
Unlike a simple pad-installation issue, Error 1007 specifically points to actuator hardware if obstruction and seating are ruled out.
Practical guidance is kept separate from manufacturer wording.The retractable mop-pad actuator is experiencing a hardware problem.
Remove anything blocking the mop mechanism, confirm the pad is installed correctly, reboot the robot and retry.
Mop-pad actuator, pad mount and actuator travel path.
If the mechanism is clear but Error 1009 persists, the actuator hardware or its connection is the main service area.
Practical guidance is kept separate from manufacturer wording.The robot's floor-type sensing system has reported an error.
Move the robot to a clean dry floor, inspect accessible underside sensor areas for dirt, reboot the robot and retry.
Floor-type sensing area and underside sensors.
If Error 1011 persists on different clean floor surfaces after reboot, the floor-type sensor system may require service.
Practical guidance is kept separate from manufacturer wording.The robot has detected leakage from its onboard water tank.
Remove the tank, inspect it and its cap/seals for visible damage or incorrect seating, dry the surrounding area, reinstall securely and retry only if no active leak remains.
Onboard water tank, cap, seals and tank interface.
Do not keep operating with an active leak. A damaged tank or sealing interface should be corrected before further mopping.
Practical guidance is kept separate from manufacturer wording.The robot's onboard fluid-level sensor is reporting an error.
Check that the tank is correctly installed and contains an appropriate amount of liquid, dry any spilled water around the tank interface, reboot and retry.
Robot fluid-level sensor and onboard tank interface.
If the tank is correctly installed and the code persists, the fluid-level sensor or its connection may require service.
Practical guidance is kept separate from manufacturer wording.The water tank's fluid-level sensing system is reporting an error.
Remove and reinstall the tank, verify the tank is not damaged and is filled normally, clean/dry the tank interface, reboot and retry.
Water tank fluid-level sensing and tank-to-robot interface.
Persistent Error 1015 with a known-good correctly installed tank points toward the tank sensor or its electrical interface.
Practical guidance is kept separate from manufacturer wording.The robot has detected a mop pad that it considers incompatible.
Remove and reinstall the mop pad, confirm it is the correct compatible pad for the robot and is seated correctly, then restart the job.
Mop pad, pad mounting interface and pad-detection area.
If a known-compatible pad is fitted correctly but Error 35 remains, inspect the pad-detection mechanism or actuator area rather than replacing unrelated cleaning parts.
Practical guidance is kept separate from manufacturer wording.The robot detects that the water tank is low and needs to be refilled.
Refill the robot's water tank, reinstall it fully and correctly, then retry the mopping job.
Robot water tank, tank seating and fluid-level detection.
If Error 37 remains immediately after a correctly filled and seated tank is installed, investigate tank detection or fluid-level sensing rather than the mop pad itself.
Practical guidance is kept separate from manufacturer wording.The robot detected a problem activating the pump when starting a vacuum-and-mop job.
Confirm the tank and mop pad are installed correctly, fill the tank with water or approved solution, clear the spray nozzles, rinse debris from the robot water filter, then reboot and retry.
Water tank, mop pad, spray nozzles, water filter and pump circuit.
If the tank, filter and nozzles are clear but Error 44 returns immediately, the pump or its electrical path becomes the stronger suspect.
Practical guidance is kept separate from manufacturer wording.Error 1008 indicates that the mopping-pad actuator stalled and the robot could not move the pad arm as expected.
Reboot the robot, move it to an open area and make sure nothing is resting on top of the pad arm or blocking its movement. Press the robot button to resume. On Combo j7+/j9+, docking the robot can allow the pad arm to retract automatically after a few minutes.
Mop pad arm, actuator travel path and surrounding obstructions.
Rule out physical obstruction and a temporary actuator stall before diagnosing the pad actuator or related drive electronics.
Practical guidance is kept separate from manufacturer wording.The left side brush is not rotating normally.
Remove hair and debris from the left side brush and hub, confirm the brush turns freely and is installed correctly, then retry.
Left side brush, hub and drive.
If the brush is free but the error returns immediately, inspect the side-brush motor or module.
Practical guidance is kept separate from manufacturer wording.The monitored side brush is unable to rotate normally.
Remove the side brush, clear hair and debris from the hub and surrounding area, reinstall it, and retry.
Side brush, hub and side-brush drive.
A persistent stall with a clean freely moving brush can indicate a side-brush motor or drive-module fault.
Practical guidance is kept separate from manufacturer wording.The robot cannot plan a usable route back to its dock, often because a new obstacle blocks the route.
Clear obstacles and narrow passages between the robot and dock, verify the dock is accessible, then retry from the dock.
Mapped route, obstacles, thresholds and dock access.
If the route is physically clear but the error repeats, inspect mapping/localization performance before charging hardware.
Practical guidance is kept separate from manufacturer wording.The LiDAR system is not functioning correctly and the robot cannot navigate normally.
Power off the robot, remove dust or debris around the LiDAR opening without forcing the mechanism, then reboot and retry in an open area.
LiDAR/laser sensor, protective window and surrounding clearance.
Persistent Error 1025 after cleaning and reboot points toward the LiDAR module or its connection rather than the map alone.
Practical guidance is kept separate from manufacturer wording.The left or right mop pad is tangled, obstructed or unable to move normally.
Stop the robot, remove the mop pads, clear hair or debris from the pads and mounts, reinstall them correctly and retry.
Left and right mop pads, mounts and drive/servo area.
If both pads are clear but one side repeatedly binds, inspect that side's mop drive or actuator.
Practical guidance is kept separate from manufacturer wording.The robot cannot use the selected map because the map state or configuration is incompatible with the requested job.
Open the app, verify the correct Smart Map is selected and complete, remove conflicting room or zone edits if necessary, then retry from the dock.
Smart Map selection, map edits and requested cleaning job.
Treat Error 1029 as a mapping/software condition first; do not replace navigation hardware unless other localization faults are also present.
Practical guidance is kept separate from manufacturer wording.Try a broader term such as the brand, appliance type or symptom. Detailed model and error-code records will be added as verified coverage expands.
Consistent diagnosis
What the error code or symptom indicates.
Only models supported by the available evidence.
Safe, non-destructive checks to try before replacing parts.
The component or system area to check when the available evidence supports it.
Practical next-step guidance kept separate from manufacturer wording.
Manufacturer manuals and support material used to verify the record.
Source policy
Brand- and model-specific guidance is added only when it can be supported by official manuals, manufacturer support material or other technical evidence we can verify. If the available sources do not support a claim, the index will not present it as established fact.
Always follow the manufacturer's safety instructions. Disconnect power before removing covers or internal components. Mains-voltage docks, chargers, battery packs and sealed electrical assemblies should not be opened unless you are qualified to work on them.