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GE refrigerator, GSL25JFPHBS, with fried control board

by Joe
(Olathe, KS)




Joe's Fried Board

I have a six and a half year old side by side GE refrigerator model GSL25JFPHBS. No issues until recently when everything stopped working except the interior lights. There was a faint burnt electronics smell. Did a little reseach and then opened the compartment up for the control board. Several components were clearly fried; large resister, small capacitor, and two surface mount chips (might be transitors). I ordered a new one and swapped them out. Refrigerator came on for a bit and when I unplugged it and buttoned it up and plugged it back in the refrigerator was not working again - compressor and fan were not coming on. I unplugged it and opened up the control board compartment again and noticed the same large resistor was blackened a bit. I am hesitant to plug it in again and suspect something is drawing too much power (compressor, fan, or other). Not 100% sure on this diagnosis since the fuse on the board was not blown on either board. I could not find a service manual or schematic for the refrigerator on the internet and would appreciate any guidance anyone may have on this issue. Thanks.




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Answer

Hi Joe,

I added a picture to the top of the page. Is this where the original board was brunt? If so fan motor is bad. When the If not then I am not sure what could have caused the problem.

Thank you,
Shawn/administrator




Comments for
GE refrigerator, GSL25JFPHBS, with fried control board

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Feb 10, 2011
Update with picture
by: Joe

Thanks for the thoughts and help. One of the components that is fried is one of the resistors circled. I'm going to try and put a picture of the fried board on this thread in case it may help. I have already removed the fan and there is no visible damage that I can see but that does not mean there is not internal damage.

Feb 10, 2011
Posted your picture
by: Shawn/admin

Quote from Joe

“I appreciate all the help. I pulled the fan motor and there is no visible damage but that does not mean there is not internal damage. The fan moves freely by hand but I would have guessed a little less friction but I’m not very familiar with refrigerator repair so I’m just guessing. Do you know where I can get a GE service manual for this refrigerator? I’m going to order the fan just in case. Thanks much.”


I posted the picture you sent me on this thread and I do believe there is a good chance the fan caused this problem.

Thank you,
Shawn


Feb 14, 2011
Final comments
by: Joe

Shawn was correct - it was the evaporator fan motor. I'm guessing the large 3 Watt resister on the left side (see control board picture) is a shunt resister for the evaporator fan motor and when the fan shorted out internally the current in the circuit was most likely too high for the 3 Watt resister to handle. Luckily I did not have the new control board in long enough to cause any permanent damage (just a little discoloration of the 3 Watt resistor from the heat). I dissassembled the old fan motor and I'm surprized this style motor shorted out. It is a permanent magnet motor (magnet on the rotor side) and sealed stator with no commutator. No obvious signs of motor problems. Everything seems to be working now - hope it stays that way. Thanks Shawn.

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Shawn

Appliance repair since 1996
2-years refrigeration courses
1-year electric theory courses
1-year residential wiring course


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