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AzJazz

Member Since 29 Mar 2012
Offline Last Active Mar 31 2015 11:37 AM

#244628 GE Profile PSW23PSTASS - Refrigerator side won't hold temperature

Posted by AzJazz on 21 December 2012 - 05:42 PM

:wub: :whistling:

http://fixitnow.com/...ed-thermistors/

That's good info, RegUS_PatOff! Since I was already in refrigerator-repair mode (and, my wife wouldn't mind), I checked all my existing thermistors to see if they were the old defective type so I could replace them before more stuff would go wrong.

 

As it turns out, all of my thermistors are the newer sealed and flat-topped style sensors. I even pulled the bad one out of the trash, and it was the newer style as well.

 

It looks like my Fresh Food evap thermistor just went out-of-spec. That probably doesn't happen very often. I guess it was my lucky day? :wacko:




#244592 GE Profile PSW23PSTASS - Refrigerator side won't hold temperature

Posted by AzJazz on 21 December 2012 - 11:14 AM

After far too many months of a refrigerator that struggled to keep the fresh food side temperature at 40 degF, I was finally able to spend a day repairing my 'fridge.

 

And, I found the problem!

 

Since the Fresh Food evap coils would occasionally freeze over, I decided to check out the thermistor that is attached to the coil.

 

I put the coil thermistor in a glass of water along with a brand new WR55X10025 thermistor that I had purchased a while back. After waiting a few minutes for the thermistors to stabilize to room temperature, I measured the resistance of both sensors.

 

The new thermistor read around 5.4 kOhms (around 74 degF according to the table in the Service Manual). The old thermistor was reading around 9.2 kOhms (53 DegF). It looked like the old Fresh Food evaporator coil thermistor was the culprit!

 

Sure enough, I replaced the old thermistor with the new one, and my fridge is now at 0 degF (Freezer), and 36 degF (Refrigerator). It's been quite a few months since we saw that!

 

I haven't installed the ice block "band-aid kit" that I purchased yet. I will wait to see if I see an ice block forms again, now that I have the refrigerator working properly.

 

Thanks again, guys!

 

AzJazz





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