Cub Cadet
Overheating / Electrical Burn
Robot mower smells like burnt electronics or plastic during or after 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
Shorted motor windings, Overloaded main PCB, Poor electrical connections causing arcing, Debris blocking cooling
How to Fix / Troubleshooting
Safety first: Immediately turn OFF the mower, disconnect the battery, and move it away from flammable materials.
- Do not restart: Do not attempt to power the mower back on until inspected.
- Visual inspection: Open the housing and look for burnt components, melted connectors, or discolored wiring.
- Smell localization: Carefully smell near the blade motor, drive motors, and main PCB to identify the source (without touching hot parts).
- Stop use: Any burnt smell indicates serious damage; arrange professional service to replace the affected motor or control board.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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