The LG Refrigerator evaporator fan motor is part of the overall refrigeration system, and it pulls air through the coils of the evaporator to remove heat from the circulating air. If the evaporator fan motor is broken, then cool air won't circulate properly. Sometimes you wind up with a freezer that's still pretty cold (because that's near where the coils are), but a fresh food compartment that isn't cold at all (because the cool air isn't getting pushed there).

 

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