What happens when defrost thermostat fails?
What happens when defrost thermostat fails? The defrost thermostat senses the temperature of cooling coils. If the thermostat is defective it may not be able to sense the temperature of coils and then won't turn on the defrost heater. If the defrost heater doesn't turn on, the refrigerator will never start the defrost cycle and will eventually stop cooling. Are all defrost thermostats the same? Are most of these thermostats interchangeable since they all do the exact same job? Nope, they are different temps. What's the worst that could happen if you install a different defrost thermostat not made for...