If the refrigerator is a manual defrost model run the defrost on a regular basis to help prevent frost from building up.
Automatic defrost fridge problems.
If your refrigerator has a defrost problem this page will help.
Self defrosting is an automatic defrost cycling process requiring no intervention from the user.
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.
Auto defrost is a mechanism which heats the evaporator coil cooling elements for a brief period to allow any frost buildup to melt.
This cycling is necessary periodically to melt away excess frost that has built up in the freezer compartment.
It works by heating coils inside the freezer at regular intervals to prevent frost build up.
Fridge defrosting is usually automatic and is a benefit to most people.
Pull your refrigerator out from the wall and locate the defrost drain hose in the bottom back service panel.
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.
In any frost free refrigerator there is a defrost system which controls the cooling and defrost cycle.
When the compressor runs the evaporator coils become very cold way below freezing.
This function is managed by an electronic timer which operates a defrost heater for 15 to 30 minutes for every six to twelve hours of the compressor operating.
The excess water is drained through a collecting duct behind the unit.
Refrigerator defrost problem diagnostics.
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.
To put it simply the refrigerator has the functionality to periodically run warmer temperature cycles so that any build up ice can be melted.
The defrosting process requires a complete shutdown of your fridge s cooling system and the activation of a heating coil.
Following are 3 reasons behind refrigerator defrost problem 1.
Refrigerators have what are called evaporator coils and these coils are located inside the freezer.
Refrigerator defrost problem is difficult to fix and most of the time require a refrigerator repair expert to identify the root of the problem.