Product intruduction: When the strain cooker is used daily, if the temperature cannot be controlled, when the meal is cooked, it's going to no longer mechanically trip, it will not be insulated, maximum of this is because the sensor is bad, you just should do it yourself, open the bottom of the strain cooker, and replace the outdated sensor and magnetic metal temperature limiter inside with a brand new one. The function of sensors : (1) Monitoring temperature (2) Monitoring strain (3) Monitoring electric current Product Parameter : Product Display :