Midea Electrical Component Overheating or Insulation Odor

Refrigerator emits a strong chemical 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

Failed main control board component, Overheating compressor or wiring, Foreign object on defrost heater, New appliance off-gassing

How to Fix / Troubleshooting

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

Steps:

  • New appliance: Mild chemical odors from a new Midea refrigerator can be normal and should dissipate after a few days of use and ventilation.
  • Inspect rear compartment: With power disconnected, remove the rear panel and look for burnt wiring, melted insulation, or scorched PCB components.
  • Check interior: Remove freezer and fridge panels to ensure no packaging materials are touching the defrost heater.
  • Do not ignore burning smell: If any component appears burnt or the smell is strong and persistent, discontinue use and arrange for professional service or part replacement (e.g., main PCB, wiring harness).
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Repair Difficulty

Professional Required 5/5

Required Part

Main Control Board or Wiring Harness
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