Kenmore Overheating Electrical Component

Freezer has a strong chemical, burning, or electrical 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 windings, Shorted wiring harness, Failing fan motor

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.

Steps to investigate:

  • 1. Unplug and inspect: After unplugging, remove the rear panel and control housing to look for burnt components or melted insulation.
  • 2. Check control board: Look for charred areas or melted connectors on the main control. Replace the board if damaged.
  • 3. Inspect wiring: Follow harnesses for signs of overheating or arcing. Repair or replace damaged sections.
  • 4. Evaluate motors: Check the condenser and evaporator fan motors for burnt smell or discoloration. Replace any suspect motors.

Warning: Do not attempt to operate the freezer again until the source of the smell is identified and repaired. Electrical faults can cause fire.

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Repair Difficulty

Professional Required 5/5

Required Part

Main Control Board
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