Midea
Temperature Regulation Failure (Runs Too Hot)
Air fryer overheats; food burns quickly and there is a strong burning smell.
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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
Shorted NTC temperature sensor, Stuck heater relay/triac on PCB, Failed high‑limit thermostat, Grease buildup causing localized overheating
How to Fix / Troubleshooting
Safety first: Unplug immediately if you see smoke or smell burning plastic. Allow the unit to cool fully.
- Step 1 – Deep clean: Remove basket and pan. Clean all grease from the heater area, walls, and vents. Built‑up grease can ignite or cause hot spots.
- Step 2 – Check sensor: Inspect the cabinet NTC sensor for damage or dislodging. If it is touching the heater directly, reposition it in its clip.
- Step 3 – Test thermostat and fuse: Verify that the high‑limit thermostat and thermal fuse are intact and correctly mounted to sense temperature.
- Step 4 – PCB relay check: If the heater stays on continuously regardless of set temperature, the heater relay/triac may be welded closed. Replace the main control board.
- Do not use: Do not continue using the air fryer until the cause of overheating is corrected.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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