Goods Scene Troubleshooting
Dreame H12s – Cannot switch cleaning modes
The H12s is stuck in one cleaning mode or does not respond to mode changes.
Issue meaning
What this issue means
The H12s is stuck in one cleaning mode or does not respond to mode changes.
Start here
First checks
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.
Inspection
Area to inspect
Handle connection, power state and deep-sleep state.
Goods Scene guidance
What to do next
Verify the handle connection and wake state before diagnosing the control buttons or main electronics.
Practical guidance is kept separate from manufacturer wording.