Gram Electrical Overheating or Insulation Odor

Freezer emits a strong chemical or burning smell during operation.

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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 compressor start relay, Burnt wiring insulation near compressor or PCB, Failing main control PCB component, Foreign material on heater element (no-frost models)

How to Fix / Troubleshooting

Safety first: Immediately unplug the freezer if you smell burning or see smoke. Do not continue to operate the appliance.

Step-by-step checks:

  • 1. Visual inspection: With the unit unplugged and cooled, remove the rear panel and inspect the compressor area and wiring for burnt insulation or discoloration.
  • 2. Check start relay and overload: Remove the compressor terminal cover and inspect the start device for signs of melting or burning. Replace if damaged.
  • 3. Inspect PCB: Open the control box and look for burnt components or darkened areas on the main PCB.
  • 4. Heater area (no-frost): Remove the interior rear panel and check if any plastic or packaging has fallen onto the defrost heater and burned.

When to call a technician: Any evidence of burnt wiring or PCB damage should be addressed by a qualified technician. Do not attempt to operate the freezer until it has been inspected and repaired.

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Repair Difficulty

Hard 4/5

Required Part

Compressor Start Relay
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