Panasonic
Electrical Component Overheating
Refrigerator emits a strong chemical or burning smell
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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
Overheating main PCB, Shorted wiring harness, Failing compressor or fan motor, Foreign object on heater element
How to Fix / Troubleshooting
Safety: Immediately unplug the refrigerator if you smell burning or see smoke. Risk of fire or electric shock.
- Step 1 – Disconnect power: Leave the unit unplugged until the source is identified.
- Step 2 – Visual inspection: Remove rear and lower covers to inspect the main PCB, inverter, compressor, and wiring for burn marks or melted insulation.
- Step 3 – Check heaters: Inspect defrost heater area for plastic or packaging that may have fallen onto the heater and burned.
- Step 4 – Do not operate: Do not reconnect power until damaged components are replaced. Contact a qualified technician for repair.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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