Fridge, freezer failures,prematurely burning out and raised power bills, Door Gaskets, door seals, Defrost models drain the water into a pan, where it evaporates. Clogged drains and uncleaned drain pans can cause foul odours. Defective compressor, thermostat, heavy frost accumulation, evaporator fan, condenser damaged, defective defrost timer, refrigerant leaked.