Liebherr Overheating Electrical Component

Strong chemical or burning smell from the rear of the freezer.

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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 compressor start relay, Overheated control board, Melted wiring insulation near compressor

How to Fix / Troubleshooting

Safety first: Immediately unplug the freezer. Do not continue to operate it if you smell burning.

Steps:

  • Visual inspection: After allowing components to cool, remove the rear cover and inspect the compressor start device, wiring, and nearby plastics for signs of melting or charring.
  • Check control board: Open the electronics cover and look for burnt components or discoloration.

Remedy: Replace any burnt start relay, wiring, or control board with original Liebherr parts. If damage is extensive, have a professional assess the safety of further repair.

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Repair Difficulty

Professional Required 5/5

Required Part

Compressor Start Relay / Main Control Board
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