Gorenje
Main Brush Drive Failure
Robot vacuum moves but the main brush does not spin; floor is barely cleaned.
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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
Broken main brush belt (if belt‑driven), Faulty brush motor, Disconnected brush motor cable, Stripped brush gear
How to Fix / Troubleshooting
Safety first: Turn OFF the robot and flip it over before working on the brush.
Steps to try:
- 1. Confirm brush installation: Ensure the main brush is correctly seated and the brush guard is locked.
- 2. Check for jams: Remove the brush and clear any debris from the ends and housing.
- 3. Observe motor shaft: With the brush removed, start a cleaning cycle and look at the brush motor shaft. If it does not spin, the motor or its wiring is faulty.
- 4. Inspect belt/gear (if accessible): On belt‑driven models, check if the belt is broken or slipped off and replace if necessary.
- 5. Replace brush motor module: If the motor shaft does not turn under power, replace the main brush motor assembly.
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Repair Difficulty
Medium
3/5
Required Part
Main Brush Motor Module
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