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JohnHoward28  
#1 Posted : Wednesday, April 4, 2018 12:12:37 PM(UTC)
JohnHoward28

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So, last night my fridge just stopped working all the sudden. The lights and fans all run, but the compressor just quite. I mean not even a buzz or anything. I tested that it has 120 voltage to it. I pulled off the inverter board and tested the 3 post on the compressor with my multi meter. My multi meter has six ohm settings, 200, 2000, 20k, 200k 20M and 200M. I get no reading at all on the first five ohm settings. When I set it to 200M I get a measurement of 0.9 on all three post.

Is my compressor bad?
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ohm  
#2 Posted : Wednesday, April 4, 2018 5:21:06 PM(UTC)
ohm

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Inverter compressor set meter on lowest ohm setting and you should measure 10 ohms on all three compressor terminals. Here is your Mini manual and a manual that may help you.
File Attachment(s):
31-51790 GE GSH22JFXLBB Mini Manual.pdf (733kb) downloaded 3 time(s).
GE Refrigerator Inverter Diagnostics.pdf (1,604kb) downloaded 3 time(s).

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JohnHoward28  
#3 Posted : Wednesday, April 4, 2018 7:08:44 PM(UTC)
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Originally Posted by: ohm Go to Quoted Post
Inverter compressor set meter on lowest ohm setting and you should measure 10 ohms on all three compressor terminals. Here is your Mini manual and a manual that may help you.


I am not real familiar with Ohm theory. Can you tell which of the six settings is the lowest? Is it?

1. 200M
2. 20M
3. 200k
4. 20k
5. 2000
6. 200

I get nothing when I test on settings 2 thru 6. I Only get a measurement on setting 1 (200M). It reads 0.9 on all three pins on that setting.
ohm  
#4 Posted : Wednesday, April 4, 2018 7:12:29 PM(UTC)
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200 is the lowest.
ohm  
#5 Posted : Wednesday, April 4, 2018 7:19:25 PM(UTC)
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ohm  
#6 Posted : Wednesday, April 4, 2018 7:27:25 PM(UTC)
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In the video he has what they call a auto range ohmmeter so you don't have to put it on any given setting it does it for you.You should read about 10 ohm's on the 3 pins just like in the video. If not bad compressor or maybe get another meter to back up your readings to be sure.
JohnHoward28  
#7 Posted : Wednesday, April 4, 2018 7:42:37 PM(UTC)
JohnHoward28

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Originally Posted by: ohm Go to Quoted Post
In the video he has what they call a auto range ohmmeter so you don't have to put it on any given setting it does it for you.You should read about 10 ohm's on the 3 pins just like in the video. If not bad compressor or maybe get another meter to back up your readings to be sure.


I have watched that video about 10 times. I also got another auto adjusting meter. (AIMO MS2108A Auto Range Digital Clamp Meter 400 AC DC Current Hz Tester).

It give me totally random reading that are all over the place. The reading change every time I test the same pins. But the readings never change when I use my manual adjusted meter.

So I am guessing the compressor is out. Or both my meters are bad. I don't know, everything is not making sense.

I there a way to test the INVERTER Board? I know the main board is outputting the correct voltage, but I can't find a way to test the Inverter board. If I could test the inverter board and if it is good, then I would know that the compressor is bad. Personally, I have never seen a compressor just stop working all together. This one does not even try to turn on or make any sound when the fridge is plugged in. Not even the slightest vibration. Kind of odd for it to just go out all at once.
JohnHoward28  
#8 Posted : Thursday, April 5, 2018 9:21:16 AM(UTC)
JohnHoward28

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Originally Posted by: ohm Go to Quoted Post
In the video he has what they call a auto range ohmmeter so you don't have to put it on any given setting it does it for you.You should read about 10 ohm's on the 3 pins just like in the video. If not bad compressor or maybe get another meter to back up your readings to be sure.



So I went and bought a third multi-meter (auto) and some clamp on electrodes. With this one, I got 6.5 ohms across all three pins on the compressor. I used the camp electrodes on my other auto adjusting multi-meter and got the same thing. So evidently, the random reading I was getting was caused by me not being to maintain a constant pressure on the pin with the electrode.

I am assuming this means the compressor is good?
ohm  
#9 Posted : Thursday, April 5, 2018 9:35:00 AM(UTC)
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Yes compressor check out good on the Ohm reading. Looks like bad inverter. If you follow video and got all the correct DC voltage out of the board and the 120 volts to the inverter. Than buy the inverter.
ohm  
#10 Posted : Thursday, April 5, 2018 9:37:58 AM(UTC)
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