The compressor is turned off when the sensor senses that the. a refrigerator works by using a coolant to remove heat from the food items inside and transfer it to the surroundings. the best way to test a fridge is still working if the light has gone out, simply turn the thermostat up the compressor will start up, some older fridges take a little time.
test it in a working freezer. When you set the thermostat in your refrigerator to a specific setting, that. The cooling process is controlled by the thermostat, which can be used to switch on and off the compressor. In this way, what does the refrigerator defrost thermostat do?
