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ct54531  
#1 Posted : Tuesday, March 25, 2014 10:21:25 AM(UTC)
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ct54531

Rank: Member

Groups: Registered
Joined: 4/18/2010(UTC)
Posts: 5

Below is from a 2008 thread:

"You can manually force defrost. Remove the back metal panel to expose the motherboard and unplug the power plug on the bottom left. Stick a jumper between the J11 and J 8 connector pins. The pc board will have these pins labeled. Now plug in fridg. The defrost heater will now draw current, if yes, you probably have a bad motherboard item # 801. They also recommend to also replace the freezer thermister. If not, you have a bad defrost heater or thermostat. Very common for the heater to fail on these."

I have very frosty freezer - refrig is nice and cool. I did the above check on pins J8 & J11 and got no heat/currrent in defroster. Pulled the defrost heater and got 13.6 - 14 ohms resistance. Is that okay? One source said 0-50 ohms was good.
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