ILIFE
Main Brush Drive Failure
Robot vacuum's main brush does not spin but suction works
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Main brush motor failed, Drive belt (if used) broken, Brush jammed by debris, Motor connector loose
How to Fix / Troubleshooting
Safety first: Turn OFF the robot and remove the main brush.
Step-by-step:
- Check for jams: Clean the brush and housing thoroughly.
- Test motor shaft: With the brush removed, briefly start a cleaning cycle and look for rotation of the drive shaft. Turn OFF immediately after checking.
- Inspect drive mechanism: On belt‑driven models, check if the belt is intact and properly tensioned. Replace if broken or stretched.
- Reconnect motor harness (advanced): Open the bottom cover and ensure the brush motor connector is firmly seated on the main board.
If the motor shaft does not spin or makes grinding noises, replace the main brush motor assembly.
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Repair Difficulty
Hard
4/5
Required Part
Main Brush Motor
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