Husqvarna Overheating or electrical short

Mower smells of burnt electronics or plastic

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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 winding, Overheated main PCB, Poor ventilation due to debris, Water ingress causing arcing

How to Fix / Troubleshooting

Safety first: Immediately turn main switch OFF, disconnect from charging station, and move the mower to a non-flammable surface.

  • Do not restart: Do not attempt to power the mower until it has been inspected.
  • Visual inspection: Open the mower and look for burnt components, melted plastic, or discolored wiring.
  • Check for moisture: If water ingress is suspected, allow the mower to dry completely for at least 24–48 hours.
  • Contact service: Due to fire risk, have an authorized Husqvarna technician inspect and replace any damaged components such as motors, PCB, or wiring harness.
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Repair Difficulty

Professional Required 5/5

Required Part

Main PCB
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