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Help my Jenn-Air side by side defrost sytem


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4 replies to this topic

#1 racerxport

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Posted 25 June 2012 - 06:48 AM

We have a Jenn air side by side that is about 12 years old. While I'm not crazy about it I can't afford a new one just yet. I have this recurring problem with the evaporator coil getting caked with ice. I have to get out the hair dryer and defrost it. The first time it happened it lasted about 3 weeks before I had to do it again. Now it seems with the warm weather I have to defrost it like every 5 days or so. I've had to do this about 6 or 7 times over the last couple months and getting tired of it. How do I troubleshoot the defrost system. Thanks for any help. Doug

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#2 Samurai Appliance Repair Man

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Posted 25 June 2012 - 07:30 AM

We need the model number to help you troubleshoot and fix this unit. Model number location help here ==> http://www.repaircli...My-Model-Number

Most Jenn-Air refrigerators have an Adaptive Defrost Control (ADC) in the control console at the top of the fresh food compartment that controls when the refrigerator goes into defrost. A common failure is for the ADC board to never start the defrost cycle. The fix is to replace the ADC board ==> http://www.repaircli...61005988/948430

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#3 racerxport

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Posted 26 June 2012 - 08:22 AM

OK well I found the model number inside the unit it is: JCD2289AES

#4 Samurai Appliance Repair Man

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Posted 26 June 2012 - 08:28 AM

Yep, yours has the ADC board I linked to in my previous post.

You can test it by cycling the Freezer Cold Control 3x within 6 seconds and leaving it on MAX and listening or feeling for the defrost heater hearing up.

Or just go ahead and replace the ADC board, it's such a common problem that it's very likely that will fix it; if it doesn't, return it for a refund! ==> http://www.repaircli...61005988/948430

#5 RegUS_PatOff

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Posted 26 June 2012 - 11:26 AM

... JCD2289AES


... You can test it by cycling the Freezer Cold Control 3x within 6 seconds and leaving it on MAX

If original (early model) ADC before "G"
then "early" forced Defrost method:
Momentarily short L1 to TEST pins on ADC.
The "newer" ADC (same part number) are re-designed and work better than the "early" units (which were prone to fail)
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