Rowenta
Mechanical Noise from Brush or Motor Assemblies
Robot vacuum is very loud during operation; grinding or rattling noises
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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 main brush bearings, Debris in side brush gearboxes, Damaged suction motor bearings, Loose screws on chassis or motor mounts
How to Fix / Troubleshooting
Safety first: Turn the robot OFF before inspecting moving parts.
- 1. Isolate source: Run the robot briefly while holding it and listen to locate the noise (brush area, wheels, or motor exhaust).
- 2. Inspect main brush: Remove the main brush, clean the ends, and check the bearings. Replace the brush if the bearings are rough or noisy.
- 3. Check side brushes: Remove side brushes and run the robot. If the noise disappears, inspect and clean or replace the side brush motor modules.
- 4. Tighten screws: Check the bottom plate and motor mount screws for looseness and tighten gently.
- 5. Motor replacement: Persistent grinding from the suction motor area indicates worn bearings; replace the suction motor assembly.
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Repair Difficulty
Medium
3/5
Required Part
Main Brush Assembly
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