Author Topic: GE GSH25JFTACC defrost problem  (Read 1536 times)

Offline Bailey

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GE GSH25JFTACC defrost problem
« on: September 04, 2012, 01:30:36 PM »
The original complaint was not cooling. This is a sxs with the board on the back. the evaporator was full of frost. I put a jumper between line and defrost on the blue connecter at the bottom of the board. Heater comes on. I defrost it and install a new board. One week later I get the call again and sure enough its not defrosting.
I do it all again and install another board. Two months later I get the call again. Sure enough same problem so I go through the procedure a third time. That was two weeks ago and so far no call. The boards don't have any burned spots or overheated components. Is there another part I should also be changing?

Offline dab147315

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Re: GE GSH25JFTACC defrost problem
« Reply #1 on: September 04, 2012, 03:07:49 PM »
Does that model have a encoder in fresh food section?

Offline dab147315

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Re: GE GSH25JFTACC defrost problem
« Reply #2 on: September 04, 2012, 03:27:39 PM »
Take a reading on evaporator thermistor if you get a call back on it and it is frozen again.You should get 16.3k.

Offline Bailey

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Re: GE GSH25JFTACC defrost problem
« Reply #3 on: September 04, 2012, 05:38:52 PM »
No encoder inside. Has a digital readout on the fountain.

Offline dab147315

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Re: GE GSH25JFTACC defrost problem
« Reply #4 on: September 04, 2012, 06:28:16 PM »
With that many call backs i would change all the thermistors.Or at least evaporator one.At least check them all out.Probably the evaporator one is the culprit.

Offline tgoods

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Re: GE GSH25JFTACC defrost problem
« Reply #5 on: September 04, 2012, 10:44:23 PM »
I second the evap thermistor.  If you check the resistance, it should be obvious.  It will get moisture inside and a lower resistance.  Since the thermistor is designed to reduce resistance as the temperature increases, the computer reads the low resistance as a higher temperature and won't energize the heater.

Offline haroldsappliance

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Re: GE GSH25JFTACC defrost problem
« Reply #6 on: September 05, 2012, 06:55:16 PM »
Change the termiistor on evap coil and that will solve your problem guaranteed.

Offline Bailey

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Re: GE GSH25JFTACC defrost problem
« Reply #7 on: September 05, 2012, 11:24:27 PM »
Thanks. I will go replace it.

 

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