Midea
Overheating Components / Electrical Insulation Breakdown
Burning plastic or electrical smell when the air fryer is running.
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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
Melted wiring insulation near heater, Overheating main PCB, Foreign plastic object touching heater, Failing fan causing localized overheating
How to Fix / Troubleshooting
Safety first: Unplug the air fryer immediately. Do not continue to operate until the source is found.
- Step 1 – Visual inspection: After cooling, remove the basket and inspect the heater area for any plastic utensils, packaging, or liners that may have contacted the element.
- Step 2 – Check wiring: Open the housing and inspect wiring near the heater and PCB for melted insulation or discoloration. Replace any damaged harnesses.
- Step 3 – PCB check: Look for burnt components or darkened areas on the main control board. Replace the board if any damage is found.
- Step 4 – Confirm fan operation: Ensure the fan runs strongly; a failed fan can cause components to overheat.
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Repair Difficulty
Hard
4/5
Required Part
Wiring Harness
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