Hoover Main Brush Drive Failure

Robot vacuum main brush does not rotate, but suction works normally.

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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 or gear (on belt‑driven models), Seized brush bearings, Failed main brush motor, Disconnected motor harness

How to Fix / Troubleshooting

Safety first: Turn OFF the robot and remove the dustbin.

  • Remove and inspect brush: Take out the main brush and check that it spins freely. Replace if seized.
  • Check drive mechanism: On some Hoover models, a belt or gear train drives the brush. Inspect for broken or slipped belts/gears.
  • Run without brush: Start a cleaning cycle briefly with the brush removed and look at the drive socket to see if it turns.
  • Replace components: If the socket does not turn, replace the main brush motor assembly. If the motor turns but the brush does not, replace the main roller brush or belt/gear set.
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Repair Difficulty

Hard 4/5

Required Part

Main Brush Motor Assembly
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