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Customer Questions and Answers for Defrost Limiter Thermostat by GE

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    • Part Number: AP3884317
    • MFG Part Number: WR50X10068
    • Made by: GE
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For GE Defrost Limiter Thermostat (Part Number: AP3884317)

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Hello, I have had an issue with the freezer icing up behind the back panel. I have pulled everything out and thawed it out with a blowdryer 3 times now. From what I can tell, the popular opinion is to consider the thermostat? or the timer? I have begun to have the same issue with a similar model in my basement: GSS22WGMC WW. Could I be doing something wrong or do both happen to be at that stage of repair? Thanks for any help you can provide.

Bryan for Model Number GSS20DBMD WW

ANSWER Brian, It sounds like you may be having a defrost issue. You can check the defrost limiter to see if it has continuity. If it does not have continuity then you would not need to change it out. You will also want to check the defrost thermistor for resistance. The resistance values should be as follows, 42.5K at 0 degrees, 14.4k at 37 degrees and 5K ohms at 77 degrees. If not within range then it would need to be replaced. If it checks good then also check the defrost heater for continuity. If no continuity then replace and if good with continuity and all other components check ok then you would need a new main control board. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html 

Answered by AppliancePartsPros.com   |   Friday, July 26, 2013

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