Automatic Defrost Fridge Problems

It works by heating coils inside the freezer at regular intervals to prevent frost build up. Refrigerator defrost problem is difficult to fix and most of the time require a refrigerator repair expert to identify the root of the problem. To put it simply the refrigerator has the functionality to periodically run warmer temperature cycles so that any build up ice can be melted.

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If your refrigerator has a defrost problem this page will help.

Automatic defrost fridge problems.

Once you ve pinpointed the problem we ll show you how to fix it and get your refrigerator cooling again. During defrosting the compressor stops the defrost heating element turns on and frost melts from the evaporator fins. In this video from sears partsdirect we ll help you troubleshoot why your refrigerator s automatic defrost system isn t cooling including checking the electronic control board defrost heater thermistor and bi metal thermostat. Self defrosting is an automatic defrost cycling process requiring no intervention from the user.

The refrigerator automatic defrost system periodically melts frost from the evaporator to improve heat exchange. The defrosting process requires a complete shutdown of your fridge s cooling system and the activation of a heating coil. Also known as a frost free or auto defrost it s something many consumers love for ease of cleaning and saving time and labor. Refrigerators have what are called evaporator coils and these coils are located inside the freezer.

Force defrost fan hitting iced over coils making noice when fridge door closed. In any frost free refrigerator there is a defrost system which controls the cooling and defrost cycle. A combined refrigerator freezer which applies self defrosting to the refrigerator compartment only is usually called partial frost free or semi automatic defrost some brands call these auto defrost while frigidaire referred to their semi automatic models as cycla matic kelvinator often named these models as cyclic defrost. Following are 3 reasons behind refrigerator defrost problem 1.

This cycling is necessary periodically to melt away excess frost that has built up in the freezer compartment. Automatic defrost or the auto defrost is a feature of the refrigerator that prevents the ice from building up in the system by performing an automatic evaporation process. Refrigerator defrost problem diagnostics. Pull your refrigerator out from the wall and locate the defrost drain hose in the bottom back service panel.

This hose should have a rubber check valve which helps regulate humidity and is known. Fridge defrosting is usually automatic and is a benefit to most people. When the compressor runs the evaporator coils become very cold way below freezing.