1. The heater is not heated, and the indicator light is not on.

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: heater damage.

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 power-on time.