Dreame
Main Brush Drive Failure without Error Reporting
Robot vacuum's main brush does not spin, but no specific error code is displayed.
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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
Stripped brush drive gear, Disconnected brush motor cable, Failed main brush motor, Faulty motor driver on main board
How to Fix / Troubleshooting
Safety: Turn off the robot and flip it over before working on the brush.
- Remove brush and inspect: Take out the main brush and check the drive end for damaged or stripped plastic.
- Check drive spindle: Start a cleaning cycle with the brush removed and observe if the drive spindle rotates.
- Internal inspection: If the spindle does not move, open the housing and check the main brush motor and its wiring.
- Replace components: Replace the main brush roller if its drive end is damaged, or the main brush motor assembly if the motor is not functioning.
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Repair Difficulty
Medium
3/5
Required Part
Main Brush Motor Assembly
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