Freezer cold but refrigerator is warm..

Freezer cold but refrigerator is warm.. Currently have a whirlpool gold . model:gx5shdxva00 . Not sure the age because it came with the house but I would say 5-8 years old. On going issue for about a year more so in the the summer. Coils continue to get frosted over. I’ve changed the defrost thermostat, defrost heater works fine, my only options left I would assume are the defrost timer. When I force the fridge in defrost mode it melts the frost but doesn’t not do it regularly. Any ideas???

Asked by: Guest | Views: 194

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mcgyver89 [Entry]

"Hey Carlos.

Your model frig doesn’t use the electro-mechanical defrost timer, as the defrost cycles are handled using the control board. Also, it may be worth your while to consult an owners manual for your model, as many helpful diagnostics can be performed (quite simply) by following the procedures outlined in the manual.

If you’ve already ensured both the bi-metal thermostat and the defrost heater are working fine, the failure is likely with the thermistor located in the back of the freezer compartment. This part measures the evaporator temperature and signals the control board to initiate a defrost cycle. When it’s integrity fails it also can effect damper operation allowing the flow of air between the freezer and the frig compartment, as well.

Thermistors can be tested for continuity using a multi-meter. Replacement parts are available as kits, usually, with the new thermistor (equipped with it’s two wire leads) and two connectors. Replacing the thermistor requires cutting the wires attached to the old thermistor and connecting these wires with the wires on the new replacement part.

Hope this might help."