Frigidaire Defrost Heater Not Working

The most common reason for replacing.

Frigidaire defrost heater not working.

The most common reason for replacing the. Your car s defroster is needed to keep the inside of the windshield from icing up in cold weather. Assemble the timer back onto the fridge and reinstate the power supply. The defrost thermostat senses the temperature of cooling coils.

If the defrost heater won t turn on frost will continue to accumulate on the evaporator coils and the coils will eventually frost over. Firmly grasp these connectors and pull them off the terminals. 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. This video provides step by step repair instructions for replacing the defrost thermostat on a frigidaire refrigerator.

The defrost sensor has a fuse to back up the sensor in case the sensor fails. If the defrost sensor fuse blows the defrost system will not work and the refrigerator will not defrost. The defroster is part of the heater and air conditioner system. Outer walls are hot.

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. It should be around 15 25 ohms give or take and if not replace it. To determine if the defrost heater is at fault use a multimeter to test the defrost heater for continuity. It needs to be turned until the fan stops which means your fridge has reset the defrost button.

If the refrigerator does not defrost the defrost thermostat might be defective. If the heater thermostat and thermistor check out ok replace the main board. Do not pull on the wires themselves. Leaky door or lid gasket broken defrost heater bad defrost bi metal thermostat defrost control failure faulty compressor.

Learn how to use a multimeter to check for wiring problems in an appliance that s not working. 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 the defrost heater does not have continuity replace it. The defrost sensor monitors the temperature of the evaporator.

You may need a pair of needle nosed pliers to help you. If the defrost sensor fails to shut off the defrost heater. If the heater tests ok replace the thermostat. This video provides step by step repair instructions for replacing the defrost heater on a frigidaire refrigerator.

The fuse will blow in order to shut off the defrost heater. It can be a safety problem if the defroster is not working or quite uncomfortable if the vents are stuck in the defrost position.