Rank: Member
Groups: Registered
Joined: 4/13/2010(UTC) Posts: 3
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The refrigerator stopped cooling properly and I noticerd the evaporater fan was not running. I replaced the fan motor. It is running but the refrigerator is still only 58 degrees F. The freezer is fine.Is there something I forgot to check and replace?
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC) Posts: 3,273
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Look for a very light frost covering the entire evaporator coil while the compressor is running. If you don't see this, you either have a refrigerant leak or some kind of system restriction. Also, check to make sure the damper is open.
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Rank: Member
Groups: Registered
Joined: 4/13/2010(UTC) Posts: 3
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Originally Posted by: magician59 Look for a very light frost covering the entire evaporator coil while the compressor is running. If you don't see this, you either have a refrigerant leak or some kind of system restriction. Also, check to make sure the damper is open. There is a light frost, but the openings from freezer to the fridge is completely iced up blocking any air movement. Could this be a thermostat,heater, or power board? The freezer seems to work fine.
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC) Posts: 3,273
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This indicates a defrost problem. Most likely to be a burnt out defrost heater.
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Rank: Member
Groups: Registered
Joined: 4/13/2010(UTC) Posts: 3
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Originally Posted by: magician59 This indicates a defrost problem. Most likely to be a burnt out defrost heater. If the heater checks out, would you suspect the thermostat or the power board?
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC) Posts: 3,273
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If the heater is OK, I would suspect the board. The thermostat isn't responsible for initiating the defrost cycle; it only cuts power to the heater. Good idea, though, if the heater is bad, to also replace the thermostat.
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