Discover why your air fryer displays E3 and how to safely resolve the issue.
The E3 code indicates a critical thermal management failure caused by the internal NTC thermistor sensor.
Carbonized oil buildup insulates the sensor, causing the control board to lose accurate temperature readings.
Obstructed vents prevent laminar airflow, spiking internal temperatures and triggering the safety shutdown firmware.
Constant heating and cooling causes wiring harness stress and loose spade connectors inside the chassis.
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