Proscenic Main Brush Gearbox / Bearing Damage

Robot vacuum makes loud grinding or clicking noises from the brush area.

Advertisements

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.

Advertisements

Possible Causes

Foreign object in brush housing, Worn or broken gears in brush motor gearbox, Damaged brush end bearings, Misaligned brush cover

How to Fix / Troubleshooting

Safety first: Turn OFF the robot and remove it from the dock.

Inspect brush and housing:

  • Remove the main brush and clean it thoroughly.
  • Check the brush cavity for stones, screws, or hard objects and remove them.
  • Inspect the brush end caps and bearings for cracks or excessive play.

Reassemble carefully:

  • Reinstall the brush, ensuring it is seated correctly and the cover is fully latched.

Test:

  • Run the robot and listen. If grinding persists, the internal gearbox may be damaged.

Advanced: Replacing the main brush motor/gearbox assembly requires opening the bottom cover and is best done by a technician.

Advertisements

Repair Difficulty

Medium 3/5

Required Part

Main Brush Motor / Gearbox Assembly
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements