How can you defrost a heater?

It is also important to find out how much it costs to replace a heater.

Expensive Repairs Additional repairs such as replacing defroster or freezer fan motors, evaporator fans motors, circuit boards or door seals can easily run $200 to $250.

How does a defrost heater function? The heater circuit is opened by the defrost thermostat when the evaporator temperature exceeds a predetermined temperature of 40AdegF (5AdegC or more). This prevents excessive heating of the freezer chamber. The defrost timer controls whether the compressor or defrost heater are on at the same moment.

Keep this in mind, where is your defrost heater?

Locate your defrost heater. You can find it under your refrigerator's floor or behind your refrigerator's freezer sections. The defrost heaters are often located under the coils of the refrigerator's evaporator.

What is a refrigerator defrost?

The defrost device activates the defrost heating element in the freezer's rear section. This heater melts the frost from the evaporator coils before turning off. Most models defrost in between 25 and 45 minutes, typically once or twice per day. Water may drip or become hot as it hits your heater.