Midea Component Overheating / Insulation Breakdown

Microwave produces a strong chemical or electrical burning smell during use, even without visible smoke or arcing.

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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 transformer, Failing magnetron, Burning dust or grease on components, Overheated wiring or connectors

How to Fix / Troubleshooting

Safety first: Stop the microwave, unplug it, and allow it to cool. Do not ignore persistent burning smells.

Step-by-step checks:

  • 1. Clean thoroughly: Remove the glass tray and clean the cavity, including the ceiling and around the waveguide cover, to eliminate burnt food odors.
  • 2. Test with water: After cleaning and drying, heat a cup of water. If the burning smell persists, internal components may be overheating.
  • 3. Professional inspection: A technician should inspect the transformer, magnetron, wiring, and connectors for signs of overheating or melting and replace any damaged parts.
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Repair Difficulty

Hard 4/5

Required Part

Magnetron / High-Voltage Transformer for Midea Microwave
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