Bosch Side Brush Over‑Rotation / Wear

Robot vacuum’s side brush scatters debris rather than directing it toward the suction inlet.

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Possible Causes

Side brush bristles too long or stiff, Incorrect aftermarket side brush, Side brush motor speed too high due to firmware or driver issue

How to Fix / Troubleshooting

Safety first: Turn the robot OFF before handling the side brush.

  • 1. Inspect side brush: Check for bent or overly stiff bristles. Replace with a genuine Bosch side brush if using a third‑party part.
  • 2. Clean brush hub: Remove hair and debris from the hub and shaft.
  • 3. Test on different surfaces: Observe behavior on hard floors vs. carpets; scattering is more noticeable on hard floors.
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Repair Difficulty

Very Easy 1/5

Required Part

Side Brush
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