KitchenAid Overheating Electrical Component or Contaminant

Freezer has a strong chemical, plastic, 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

Dust burning off condenser coils, Failing compressor or fan motor, Melted wiring insulation, Foreign object on defrost heater

How to Fix / Troubleshooting

Safety first: If you smell burning plastic or see smoke, unplug the freezer immediately and do not continue to operate it.

  • Step 1 – Inspect rear compartment: With power disconnected, remove the rear lower panel and look for burned wiring, melted plastic, or discoloration around the compressor and fan.
  • Step 2 – Clean coils: If the smell is more like hot dust, clean the condenser coils thoroughly and allow the unit to run for several hours; the smell may dissipate.
  • Step 3 – Check interior: Remove the rear interior panel and inspect the defrost heater area for plastic items or packaging that may have fallen onto the heater.

Any evidence of burned wiring or components requires professional service before the freezer is used again.

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Repair Difficulty

Hard 4/5

Required Part

Condenser Fan Motor
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