Don't discard your air fryer; learn how to diagnose and repair that persistent E1 code.
The E1 code means your air fryer's temperature sensor is broken and cannot safely monitor heat.
Mechanical stress from opening the lid frequently snaps internal wires or wears down their protective insulation.
Aerosolized fats can settle on internal circuits, creating conductive bridges that trigger false sensor error codes.
High humidity and extreme temperature swings cause connector oxidation, disrupting the signal sent to the board.
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