Ikea
Overheating Electrical Component
Strong chemical or burning smell coming from the freezer, especially from the rear.
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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 control board, Overheated compressor start relay, Melted wiring insulation, Shorted defrost heater
How to Fix / Troubleshooting
Safety: Immediately unplug the freezer. Do not continue to operate it until the source is identified.
Steps:
- 1. Visual inspection: Remove the rear panel and inspect the compressor area, wiring, and control board housing for burn marks or melted plastic.
- 2. Check start relay: Remove and inspect the compressor start relay/PTC for signs of overheating. Replace if damaged.
- 3. Control board: Open the control board housing and look for burnt components. Replace the board if any damage is found.
- 4. Defrost heater: Inspect the heater and wiring for signs of overheating or arcing.
Recommendation: Due to fire risk, have a qualified technician complete the diagnosis and repair.
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Repair Difficulty
Professional Required
5/5
Required Part
Compressor Start Relay (PTC) / Main Electronic Control Board
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