Just relpaced the defrost timer and defrost thermostat on the freezer side. The same problem still exists which is the freezer side does not stay cold enough. There is a lot of rust running down behind the coils, really builds up on the underside of the fan (a plate) and there is some frost on the upper section of the coils.The wire going down to the defrost heater is extremely dark, rusted or black. The fan is working. Could the defrost heater cause this problem? The ice maker is in OFF position.
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