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Is it possible to test the evaporator fan without removing it?
How likely is it that both defrost thermostats are faulty?
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Well it looks like both thermostats are open circuit when cold. I put the in some ice water to test - is that cold enough?
I am very surprised that both thermostats are shot.
They have different part numbers (the cable connectors are male on one and female on the other)....
12028301
10789104
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I was finally able to separate the connectors using two pairs of pliars. They were impossible to separate by hand. Now off to find the multimeter...
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We have an old Amana BRF520TW which we really need to repair as it's built into a custom made niche and the dimensions are non-standard now.
The fridge is warm and the fan behind the rear panel in the freezer (the evaporator fan?) is not working. After reading other threads here I suspect it's a faulty defrost thermostat - there appear to be two (in series from what I can tell on the wiring diagram). I have opened up the evaporator section and I can see that one of the thermostats (the upper one in the photo) looks deformed (the plastic cap is pushed out) so it's the main suspect at the moment.
Now I want to test the thermostat but I can't figure out how to separate the AMP plug and socket that are used to connect them to the wiring harness. :o There's no external clip or anything obvious to me which enables them to separate. Is there some kind of trick here?
Thanks.
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