Someone recommended to replace the heater element due to freezing up. I took it out and checked it, and it is bad.
However, the sound from the fan was like it was slowing down and then speed up. Is it supposed to sound like that? Also it has been about an hour and the fan is not running at all.
I am wondering if it just happens to be in the defrost cycle.
The freezer fan slows down due to the refrigerator section being at the desired setting but the freezer section still needing coolant . If the refrig section needed more coolant , the fan would speed up , forcing more air into the refrig section .
After replacing the heater , it could be in the defrost cycle . The thermistors tell the main control board , " hey , we're freezing , turn on some heat " , in which the heater comes on and defrosts the coils , until behind the rear freezer panel , can get up to 140 degrees . As it gets this hot , the frozen food in the freezer , is what keeps the freezer cold . After defrost , the fan comes on and blows the residual heat into the refrig sectio , until the coils get cold again . So , if the refrig section warms up temporarily , it's normal .
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