1, the temperature sensor is seriously damaged, so you can check the temperature in the pot. If the temperature is too high or too low, the temperature sensor is damaged. Contact after-sales service or ask a professional maintenance master to come to the house for maintenance.

2. The damaged area of the power cord surface is large, resulting in short circuit. You can use a multimeter to test whether the power supply current is normal. If it is not within the normal range, let professionals repair it.