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Old 01-16-2014, 10:51 AM   #1
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Determining if defrost heater is bad


I have a GE GSL25JFPBS side by side where the defrost coils keep freezing up. I changed the defrost thermostat. I checked continuity on the old one and it was continuous below freezing and at room temperature, so I wonder if the circuit stayed closed long enough to burn something out.

Replacing the defrost thermostat alone did not fix the problem. I'm looking at the defrost heater now, which I can see has some carbon buildup in it.

I saw a Youtube video that said check the resistance and make sure it has less than 50 ohms. When I check the resistance, I get about 20 ohms. When I test it for continuity, my multimeter doesn't beep. How do I know if it needs to be replaced?

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Old 01-16-2014, 11:28 AM   #2
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Determining if defrost heater is bad


http://www.repairclinic.com/RepairHe...ng-GSL25JFPBBS

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Old 01-16-2014, 11:32 AM   #3
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Determining if defrost heater is bad


As you have mentioned, the next step would be to suspect the defrost heater.

click here for repair clinic

Ah... Joe typed faster than I did and beat me to it. Sorry.
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Old 01-16-2014, 01:00 PM   #4
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Determining if defrost heater is bad


Based on my test results, should I assume that the heater is bad?
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Old 01-16-2014, 01:33 PM   #5
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Determining if defrost heater is bad


If your getting continuity then it should be good. Did you have it disconnected completly from fridge when you did your testing? If not, do that and test it again.

If everything checks out good, then possibly control board may be bad.

Also if it looks brown or burnt it probably will fail soon anyway. Just a thought.

Last edited by jmon; 01-16-2014 at 04:14 PM.
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Old 01-16-2014, 05:30 PM   #6
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Determining if defrost heater is bad


Do you notice that every time you walk past the fridge it's running? We use this model in our apartments and I've noticed over the years that if the defrost system fails, it will freeze up in about three days. If it takes more like a week to ten days to freeze up it's usually the thermostat that controls the temperature in the freezer. Basically it thinks that it's warmer than it is and keeps the freezer running nonstop. It think they're like fifteen dollars and there's two of them in the freezer.

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