Tesvor
General Mechanical Wear / Noise
Robot is unusually loud compared to when it was new, even after cleaning.
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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 fan bearings, Worn brush bearings, Loose internal screws or panels, Debris in motor housings
How to Fix / Troubleshooting
Safety first: Turn off the robot before inspection.
Isolate the noise:
- Run the robot without the main brush installed; if noise decreases, the brush or its bearings are the source.
- Listen near the exhaust; a high-pitched whine suggests fan bearing wear.
Corrective actions:
- Replace the main brush if its bearings are noisy.
- If the fan is the main source of noise, replace the vacuum fan motor assembly.
- Check for loose screws on the bottom cover and tighten gently.
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Repair Difficulty
Medium
3/5
Required Part
Vacuum Fan Motor Assembly
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