Ecovacs Mechanical Noise / Bearing or Gear Wear

Robot lawnmower is excessively noisy during operation, with grinding or rattling sounds.

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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

Worn blade motor bearings, Debris in drive wheel gearbox, Loose cutting disc, Cracked wheel hub

How to Fix / Troubleshooting

Safety first: Turn OFF the mower and disconnect power before spinning wheels or blades by hand.

  • Localize the noise: Run the mower briefly and listen to determine if the sound comes from the blade area or a specific wheel.
  • Inspect cutting disc: Check that the disc is tight on the motor shaft and that blades are secure.
  • Check wheels: Spin each wheel by hand. Grinding or clicking suggests gearbox contamination or wear.
  • Clean debris: Remove grass and dirt from around wheel axles and the blade motor housing.

Persistent grinding or rattling usually indicates worn bearings or gears. Replace the noisy drive motor assembly or blade motor assembly.

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Repair Difficulty

Hard 4/5

Required Part

Drive Motor Assembly
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