Laresar Main Brush Drive Failure without Error

Robot vacuum's main brush does not spin, but suction works and no code is displayed.

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.

Possible Causes

Main brush not seated correctly, Broken brush end cap, Stripped gear in brush motor, Loose motor connector

Safety: Turn off and flip the robot.

Remove and reinstall brush: Take out the main brush, inspect the end caps and square/hex drive ends, then reinstall ensuring proper seating.
Check for damage: Replace the brush if the ends are rounded or cracked.
Test motor: Run the robot with the brush removed and observe if the drive socket spins. If not, the motor or gearbox is faulty.
Replace module: Install a new main brush motor assembly if the drive does not operate.

Hard 4/5

Laresar Main Brush Motor Assembly

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