Defrosting Issues: What can cause defrost problems in the refrigerator?
If the refrigerator has a defrost problem the frost collected on the coils will not melt.
Sometimes frost builds up to the point that it blocks airflow and the refrigerator stops cooling completely.
Defrost heater is connected to a thermostat. The defrost thermostat senses the temperature of cooling coils.
When the cooling coils become cold enough, the thermostat
