OK
Overheating Component or Cavity Contamination
Microwave emits a burning smell or smoke during operation
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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 debris burning on cavity walls, Failing high-voltage component overheating, Overheating grill element, Melted plastic turntable support
How to Fix / Troubleshooting
Safety: Stop the microwave immediately, unplug it, and open windows for ventilation. Do not continue to use until the source is identified.
- 1. Inspect interior: Look for burnt food, splatters, or melted plastic. Clean thoroughly with mild detergent and water.
- 2. Check turntable parts: Inspect the roller ring and coupler for melting or deformation.
- 3. Smell test with cover off: With the unit unplugged and cover removed, smell near the transformer, capacitor, and magnetron for burnt odor.
- 4. If smell is from electronics or wiring: Do not use the microwave. Arrange for professional inspection and replacement of burnt components.
- 5. After cleaning and replacing any melted interior parts, test with a cup of water while monitoring closely.
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Repair Difficulty
Hard
4/5
Required Part
Turntable Roller Ring
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