Frigidaire Defrost Heater Not Working

This video provides step by step repair instructions for replacing the defrost heater on a frigidaire refrigerator.

Frigidaire defrost heater not working.

If the refrigerator does not defrost the defrost thermostat might be defective. It should be around 15 25 ohms give or take and if not replace it. The defrost thermostat senses the temperature of cooling coils. If the heater tests ok replace the thermostat.

It can be a safety problem if the defroster is not working or quite uncomfortable if the vents are stuck in the defrost position. You may need a pair of needle nosed pliers to help you. The most common reason for replacing the. To reset the refrigerator defrost timer tepte simply states to locate the circular notch on the timer and turn it counterclockwise with a flathead screwdriver.

A defrost heater is connected by two wires and the wires are connected with slip on connectors. In a defrost system the defrost heater turns on several times in a day to melt away the frost developed on the evaporator coil. If you are working on a top freezer or bottom freezer you may get a higher ohm reading 25 50 ohms this is ok as long as it isn t extremely high. Leaky door or lid gasket broken defrost heater bad defrost bi metal thermostat defrost control failure faulty compressor.

It needs to be turned until the fan stops which means your fridge has reset the defrost button. If the defrost heater won t turn on frost will continue to accumulate on the evaporator coils and the coils will eventually frost over. If the heater thermostat and thermistor check out ok replace the main board. Before you can test your defrost heater you have to remove it from your refrigerator.

If the defrost sensor fuse blows the defrost system will not work and the refrigerator will not defrost. To determine if the defrost heater is at fault use a multimeter to test the defrost heater for continuity. This defrost heater is connected to a defrost thermostat. Firmly grasp these connectors and pull them off the terminals.

The fuse will blow in order to shut off the defrost heater. The defrost sensor has a fuse to back up the sensor in case the sensor fails. The most common reason for replacing. The defrost sensor monitors the temperature of the evaporator.

If the defrost sensor fails to shut off the defrost heater. The defroster is part of the heater and air conditioner system. Outer walls are hot. If the defrost heater does not have continuity replace it.

Your car s defroster is needed to keep the inside of the windshield from icing up in cold weather. Learn how to use a multimeter to check for wiring problems in an appliance that s not working.