Xiaomi
Overheating Motor or Electrical Component
Robot vacuum smells like burning dust or hot plastic during operation, but continues to run.
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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
Main brush jam causing motor strain, Fan motor bearings failing, Hair buildup on motors, Blocked air vents
How to Fix / Troubleshooting
Safety first: Immediately turn off the robot and disconnect from the dock. Do not continue using until the cause is identified.
- 1. Inspect main brush and side brush:
- Remove hair and debris from brushes and end caps.
- Ensure brushes spin freely by hand.
- 2. Check fan and vents:
- Empty the dustbin and clean the filter.
- Inspect fan inlet for clogs.
- 3. Run a short test:
- After cooling, run the robot for a few minutes and monitor for smell and heat.
- 4. If smell persists or components become very hot:
- Identify the hot area (brush motor, fan, mainboard).
- Replace the overheating motor or mainboard as needed.
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Repair Difficulty
Medium
3/5
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