Cosori Error Codes

Pick the code your Cosori appliance is showing. Each page explains what the code means, the most likely causes ranked by probability, and which fixes are safe to try before calling a technician.

Cosori Air Fryer Codes

• E1 E1 is Cosori's temperature-monitor open-circuit code — the thermistor or its wiring has broken open.
• E2 E2 is the temperature-monitor short-circuit code.
• E3 E3 is the overheat-protection alarm — the fryer got too hot and shut down.
• E4 E4 is a voltage-error alarm — the fryer detects wrong mains voltage.
• E12 E12 is the DC-motor failure code on newer Cosori models.