Sharp
Overheating Electrical Component
Burning or electrical smell from indoor or outdoor unit.
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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
Loose electrical connections causing arcing, Burnt fan motor windings, Failing PCB components, Overheated power cord or plug (portable/window)
How to Fix / Troubleshooting
Safety first: Immediately turn off the unit and switch off the breaker or unplug it. Do not continue operating a unit with a burning smell.
- Visual inspection: After cooling, open the electrical compartments and look for burnt wires, melted insulation, or scorched PCB areas.
- Check terminals: Tighten any loose terminals and replace any discolored or burnt connectors.
- Fan motors: If the smell is strongest near a motor and the motor housing is very hot, replace the motor.
- PCB damage: Replace any visibly burnt PCB with the correct Sharp part. Do not attempt to repair burnt boards without proper expertise.
- Professional service: If you cannot locate the source, have a qualified technician inspect the unit before using it again.
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Repair Difficulty
Hard
4/5
Required Part
Indoor or Outdoor Main Control PCB / Fan Motor
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