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FIXED GE Fridge Model GSH25JSDBSS Freezer Defroster Not Working

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jhnnyboz

Premium Member
Joined
Sep 9, 2021
Messages
6
Location
Jax Florida
Model Number
GSH25JSDBSS
Brand
GE
Age
6-10 years
Subject Fridge / Freezer starting showing temps at 20 deg (Freezer) and 55 deg (fridge).

Frost was built up on back of freezer and all over the coils. I poured hot water over it to melt and it started to cool down.

Can I check the defroster and defroster thermostat with a voltmeter before buying to avoid unesscary cost? And if so what should the voltage / resistance be during the checks?

Thanks in advance!!!
 

jhnnyboz

Premium Member
Joined
Sep 9, 2021
Messages
6
Location
Jax Florida
Pic of the frozen coils
 

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Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
123,958
Location
McMullen Valley, Arizona
Hi, You have 3 parts that control the auto defrost cycle, the motherboard, the evaporator thermistor, and the defrost heater.

So what we do is a process of elimination to determine the bad part. So you will want to unplug your refrigerator and test the defrost heater first, but don't defrost it yet before testing it because if the heater checks good then you will need to test the evaporator thermistor that's mounted on the top of your evaporator coil, and that needs to be covered in frost to test that.

Unplug the refrigerator first, then test the defrost heater first, take the wires off before testing. Watch the video below to test it, if that tests fine, then watch the video Shawn made to test your defrost thermistor. If both test fine, then your motherboard is the bad part.

Here's the evaporator thermistor for your model:
Thermistor WR55X10025


Watch this video, Shawn explains how to test/replace the evaporator thermistor:


Here's the defrost heater for your model:
Defrost Heater Assembly WR51X10055


Here's the motherboard for your model:
WR55X11072 Board Asm Main Control


Watch this video to test your defrost heater:


Let us know what you find.

Jake
 

jhnnyboz

Premium Member
Joined
Sep 9, 2021
Messages
6
Location
Jax Florida
Jake,

The defrost heater did not show continuity and was physically broken.

I replaced it which fixed it. It took a while for the heater to come on naturally but when it did, it melted everything.

Back to -5 and 35!!!

Thanks your the best!!!
 

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Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
123,958
Location
McMullen Valley, Arizona
Excellent, glad to hear the new defrost heater fixed it.(y)

Thanks for the update!

Jake
 
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