Kenmore 795.7940 freezer frosting over - bad fan? pcb?
I have a Kenmore 795.7940 refrigerator and the vents to the fridge keep freezer over. The coils in the back of the freezer are not frosted over so it seems like the defroster is working? There is a panel of five lights in the fridge (to set temp) that are also used as error codes. The last three lights are lit when the first two are out which indicates “Failure of Fan Motor at Freezer Compartment”. I took the fan out and tested it with a 9V and it runs just fine. I pressed the test button on the PCB and the fan starts up (although it did ref down a couple times one of the times I did it which seems a bit weird). When I unplug the fridge and plug it back in, the fan starts and seems to operate as normal for a few weeks. Then it seems like the fan no longer works after some time. Fan is not frosted over - it can freely spin.
I’m wondering if there is a definitive way to test the fan to see if it’s the root of the problem or if it’s the PCB behind the fridge. I have a multimeter but I’m not sure where to check. I don’t want to have to throw this thing away - seems like a problem that can be fixed. I hope someone can help.
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