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New defrost control fried in same place as old

My frig. had quit working it had only warm air blowing and the fan or compressor would work. so I searched here to find out that it could have been the defrost control board and when I took out the part it had a burn't place on it just bought a new one replaced it just as the old one (being careful not to touch the board)and plugged it in and it seem to try to work then the light flicked alittle here it pop and I unpluged it, took it apart again to find it had burn't in the same place. Just two weeks ago took it to the shop had to have a compressor relay put on it. what could be doing this?

Posted by dboykin on

  • dboykin Sep 07, 2007

    Need to add that the fan or the compressor would NOT work.



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If the electronics got fried in the same place then you obviously have a fault cauing the board failure. If the compressor relay was burnt out then it would seem to suggest the compressor as a possible cause. If the board is now back to par then I would suggest checking the incoming voltage to the board and when restarting the unit first disconnect the power going down to the compressor from the board. Make sure everything else works OK first. If everything is running I would sugest checking the relay on the compressor body for any damage or burn damage on the compressor windings. If everything looks Ok then I would reconnect the compressor and try again. Personally speaking though I would really encourage you to get a professional to check the system through as you dont want to keep blowing up boards, let someone else do it and be responsible for it. Hope this is of some help.

Posted on Sep 08, 2007


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Evaporator coils iceing over; warminhg on frig side of model 106....

As I said; the fan and compressor run fine but I cannot find the defrost timer. Is it integrated into the control board.

Keeps frying defrost boards.

i would look behind rear wall of freezer, lower compartment, sounds like a short in the defrost circuit. remove the panel inside freezer and check for possible broken wire s
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