Goods Scene Troubleshooting
iRobot All Roomba Charging Error 4 / 5 – Electrical current is not reaching the robot
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.
Issue meaning
What this issue means
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.
Start here
First checks
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.
Inspection
Area to inspect
Power cord, Home/Clean Base power, robot/base charging contacts and battery seating.
Goods Scene guidance
What to do next
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.