Severin
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 residue burning on cavity walls, Overheated wiring or connector, Failing magnetron, Grill element burning off residue
How to Fix / Troubleshooting
Safety first: Stop the microwave immediately, unplug it, and keep the door closed to smother any flames if present. If fire persists, follow emergency procedures.
- Step 1 – Inspect cavity: Once cooled, open the door and check for burnt food, packaging, or grease. Clean thoroughly with a non-abrasive cleaner.
- Step 2 – Check grill element: Some smoke is normal the first time a grill is used. If smoke continues after several uses, inspect the element for heavy grease buildup and clean the cavity.
- Step 3 – Internal inspection: Remove the cabinet and look for discolored or melted wiring, especially near the magnetron and grill circuits. Do not touch HV parts.
- Step 4 – Professional service: If the smell is electrical (sharp, acrid) rather than food-related, have a technician inspect and replace any overheated components.
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Repair Difficulty
Hard
4/5
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