The defrosting process requires a complete shutdown of your fridge s cooling system and the activation of a heating coil.
Automatic defrost fridge problems.
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.
Also known as a frost free or auto defrost it s something many consumers love for ease of cleaning and saving time and labor.
Fridge defrosting is usually automatic and is a benefit to most people.
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.
Refrigerator defrost problem diagnostics.
If your refrigerator has a defrost problem this page will help.
This cycling is necessary periodically to melt away excess frost that has built up in the freezer compartment.
Pull your refrigerator out from the wall and locate the defrost drain hose in the bottom back service panel.
During defrosting the compressor stops the defrost heating element turns on and frost melts from the evaporator fins.
Refrigerators have what are called evaporator coils and these coils are located inside the freezer.
Following are 3 reasons behind refrigerator defrost problem 1.
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.
When the compressor runs the evaporator coils become very cold way below freezing.
The refrigerator automatic defrost system periodically melts frost from the evaporator to improve heat exchange.
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.
Force defrost fan hitting iced over coils making noice when fridge door closed.
