The temperature sensor may be faulty
Possible causes: The compressor system is blocked. There is a leak in the refrigerant system / (Refrigerant fluid is leaking).
Bypass the surge or voltage protector if there is one present. Check that the power source is working by testing another appliance in the plug
The temperature sensor could be faulty If it is an OC fault, the unit will not start. In an emergency, bypass the sensor by bridging