Question about Kenmore 72073 Top Freezer Refrigerator
Hi, I have a Kenmore Elite top-mount model 106.74213400. I have been having problems with the freezer running way too cold. It is set at it's warmest setting - 5 degrees. The refrigerator seems fine.
I have been trying to diagnose the problem for a while. About 6 weeks ago, I took off the back panel and the drain hose was frozen solid. Defrosted and cleared drain hose and thought all would be fine. But the ice cream was still hard as a rock. Last week, took off back panel and drain hose was not frozen, but the evaporator coil was frosted over. Defrosted again. Still, ice cream too hard.
Tonight I played around with the controls a little. I hear the fan running now when the freezer door is open and if I hold the door switch in when the frig door is open. But I don't recall having heard the fan running for quite some time.
I have airflow into the frigde, but not great. The evaporator coil is probably frosted up again.
I cannot find a defrost timer anywhere. Does this model have one?
Is it possible that the fan was not working for a while and is now working again because I played with the control panel and the door switches? I read somewhere that the door switch could be bad - anyone know anything about that?
Also, if you have suggestions - part numbers would be greatly appreciated.
I have the same problem and from reading on the web I think I have found the problem. It is a bad Freezer Thermistor and they are very inexpensive. I am posting a link that can help you determine if this is the problem.
I found some service instructions for Kitchenaid side by side fridges with electronic control. Since both your fridge and KA's are made by Whirlpool, the instructions should apply. I learned something new, there are TWO thermistors! To download the instructions go to Service Matters Online click on technical reference, then next pge click on I accept, next page click on technical library [left sidebar], next page click on job aids [left sidebar], next page click on search job aids [upper middle of the page], next page type in refrigerator then click on search, next page click on KA side by side electronic control [KAR-10], next page click on the pdf symbol, then print out the document.
Posted on Apr 24, 2009
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Posted on Jan 02, 2017
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