Question about Hotpoint HSS25IFMCC / HSS25IFMWW Side by Side Refrigerator

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Hotpoint HSS25IFMB WW will not defrost.

3 weeks ago had unit looked at by repair man. Stated that the heater and thermostats were good but the PC board was bad.
I installed new board and now it is doing the same thing again. Had different repair man out today and he says the board is bad.

Anything else I can check on my own before replacing the board again? I already have a new board, just wondering if I should check anything else before instaling it?

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I was having the same problem. I replaced my defrost heater (2 screws and 17 dollars) and it works great now

Posted on Apr 08, 2009


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Good day,
The auto defrost system has had a failure. It is made up of 3 parts.
The timer which is located in the top of the fresh food compartment, and the defrost thermostat and main heater which are located behind the rear wall in the freezer section.
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It should read zero ohms. If it reads infinity (no resistance) replace.
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I think I know what is wrong. First the defrost thermostat you are talking about I believe is the round metal type with possibly a pink and an orange wire coming out of it. That is not the defrost thermostat as most people know it. That is a defrost overheat termination thermostat that opens only over 140 degrees F, that is why your old good one and your new good one show closed at room temp. If you read on the outside of the metal cover you will find it has a L140 indicating the limit of 140 deg.
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