Learn why your air fryer shows E3 and how to restore its heating power.
The E3 error indicates a thermal fuse failure, permanently cutting the circuit to ensure your safety.
Look for a display lockout, lack of heat, and the fan running without the heating element.
The error is hardware-dependent; the fuse has melted to prevent fire and will not reset automatically.
Airflow obstruction is the most common cause, leading to overheating and triggering the protective safety circuit.
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