Klarstein MISTERCOOK DUO Mode D'emploi page 26

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Error code Cause/Solution
E1 Short or open circuit detection of the temperature sensor.
E2 Short or open circuit detection of silicon controlled.
High voltage protection:
A beep sounds every second and the LED display shows a flashing
E3
"E3": The voltage is ≥ 275 V. If the voltage is < 265 V, press the ON/
OFF button, the infrared cooker will work or turn off.
Low voltage protection:
A beep sounds every second and the LED display shows a flashing
E4
"E4": The voltage is ≤ 120 V. If the voltage is > 130 V, press the ON/
OFF button, the infrared cooker will work or turn off.
Fan open circuit:
E5
The working current of the fan is too low.
E6 Overheat protection of silicon controlled (internal)