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Overheating Component or Cavity Contamination
Microwave emits a burning smell, smoke, or strong electrical odor 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
Burning food residue on cavity or grill element, Failing magnetron or transformer overheating, Melted plastic turntable support, Shorted wiring or connector
How to Fix / Troubleshooting
Safety: Immediately stop the microwave and unplug it. If you see flames, keep the door closed and unplug; do not open the door until flames are out.
Steps:
- 1. Inspect interior: Once cooled, check for burnt food, splatters on the grill element, or melted plastic parts. Clean thoroughly.
- 2. Check turntable parts: Inspect the glass tray, support ring, and coupler for melting or deformation. Replace damaged parts.
- 3. Smell test: If the burning smell is electrical (sharp, acrid) and not food-related, do not use the microwave again until inspected internally.
- 4. Internal inspection (for technicians): Look for burnt wiring, connectors, or components on the control PCB, magnetron, or transformer.
Persistent electrical odors indicate a serious fault; contact a professional.
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Repair Difficulty
Hard
4/5
Required Part
Turntable Support Ring
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