Lefant
Overheating Motor / Electrical Overload
Robot vacuum emits a burning smell or very hot air from the exhaust during operation.
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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
Fan motor bearings seizing, Severe blockage in suction path, Shorted motor windings, Dust accumulation on motor causing heat buildup
How to Fix / Troubleshooting
Safety: Immediately turn OFF the robot and remove it from the dock. Do not continue using it until the cause is identified.
- Step 1 – Inspect for blockages: Remove the dustbin, filters, and check the suction path for clogs. Clear any obstructions.
- Step 2 – Allow cooling: Let the robot cool completely before further inspection.
- Step 3 – Smell test: With the dustbin removed, smell near the fan intake. A strong burnt odor suggests motor damage.
- Step 4 – Test briefly: Power ON and run for a short period while monitoring for smell and heat. If symptoms return quickly, stop use.
- Repair: Replace the fan motor assembly or other affected motor. Continued use with a burning smell is a fire risk.
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Repair Difficulty
Hard
4/5
Required Part
Suction Fan Motor
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