(1) The heater does not heat, and the indicator light does not light up.

Cause: The power supply is not connected; The power cord is damaged.

Solution: check whether the plug socket and power cord are in good condition and inserted in place; Send it to the designated maintenance department for repair.

(2) The heater is not heated and the indicator light is on.

Cause: The heater is damaged.

Solution: Send it to the designated maintenance department for repair.

(3) The temperature is too low after completion.

Reason: The power-on time is too short; Ambient temperature, the temperature of rice, vegetables and soup is too low.

Solution: appropriately extend the boot time.