Whirlpool
Overheating Electrical Component
Refrigerator has a strong chemical or burning plastic smell when running.
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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
Burning main control board, Overheating compressor start relay, Shorted wiring harness, Foreign object on defrost heater
How to Fix / Troubleshooting
Safety First: Immediately unplug the refrigerator and do not operate it until the source of the smell is identified.
Steps:
- Inspect the rear compartment: Remove the rear panel and look for burnt wiring, melted plastic, or discoloration on the main control board and compressor start components.
- Check inside the freezer: Remove the evaporator cover and inspect the defrost heater area for melted packaging or plastic that may have fallen onto the heater.
- Replace damaged parts: Any burnt wiring, control boards, or start devices must be replaced. Use genuine OEM parts and proper wire connectors.
- If you cannot locate the source, contact a qualified technician before restoring power.
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Video Guide
2 VideosRepair Difficulty
Hard
4/5
Required Part
Main Control Board
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