Automatic Defrost Fridge Problems

In any frost free refrigerator there is a defrost system which controls the cooling and defrost cycle. The defrosting process requires a complete shutdown of your fridge s cooling system and the activation of a heating coil. Refrigerators have what are called evaporator coils and these coils are located inside the freezer.

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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.

Automatic defrost fridge problems.

Refrigerator defrost problem is difficult to fix and most of the time require a refrigerator repair expert to identify the root of the problem. If your refrigerator has a defrost problem this page will help. It works by heating coils inside the freezer at regular intervals to prevent frost build up. 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.

Following are 3 reasons behind refrigerator defrost problem 1. To put it simply the refrigerator has the functionality to periodically run warmer temperature cycles so that any build up ice can be melted. Fridge defrosting is usually automatic and is a benefit to most people. The refrigerator automatic defrost system periodically melts frost from the evaporator to improve heat exchange.

This cycling is necessary periodically to melt away excess frost that has built up in the freezer compartment. When the compressor runs the evaporator coils become very cold way below freezing. Force defrost fan hitting iced over coils making noice when fridge door closed. Refrigerator defrost problem diagnostics.

Self defrosting is an automatic defrost cycling process requiring no intervention from the user. 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. This hose should have a rubber check valve which helps regulate humidity and is known.

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. Also known as a frost free or auto defrost it s something many consumers love for ease of cleaning and saving time and labor. Pull your refrigerator out from the wall and locate the defrost drain hose in the bottom back service panel.