Princess Overheating Component or Cavity Contamination

Microwave emits a strong burning, electrical, or plastic smell during or after use.

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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

Food or grease burning on cavity surfaces, Overheating high-voltage transformer, Failing magnetron, Melted plastic container not microwave-safe

How to Fix / Troubleshooting

Safety: Stop the microwave immediately and unplug it if the smell is strong or unusual.

  • Inspect interior: Once cool, check for burnt food, grease, or melted plastic. Clean thoroughly with a mild detergent.
  • Check cookware: Use only microwave-safe containers. Discard any melted or deformed items.
  • If smell persists without visible cause: Do not continue using the microwave. Internal components may be overheating.
  • Professional inspection: A technician should check the magnetron, transformer, and wiring for signs of overheating or damage.
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Repair Difficulty

Hard 4/5

Required Part

Magnetron
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