There was frost buildup on the coils in the freezer. Both the KitchenAid refrigerator and freezer section became warm. It was clear that the refrigerator wasn't defrosting.
Merrill R. • Simi Valley, CA • March 13, 2014
Appliance: Whirlpool Refrigerator KSPS22QBWH00
My Repair & Advice
After checking repair sites on the internet, I figured that either the defrost thermostat, the defrost heater or the defrost control board was at fault. I ordered and replaced the defrost thermostat which I found out didn't fix the problem. Then I checked the resistance of the defrost heater which checked out good. I ordered the Control Board as the last resort, replaced it and the problem was solved.
On all repairs I referred to helpful video sites. There was a little confusion on replacing the control board as the video shown was for repair of a similar model refrigerator. on my KitchenAid, there was a bezel over the front which had to be removed to gain access to remove and replace the control board. Ater a visual inspection of the replaced control board, I noticed that a relay component had a burnt spot on it.
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Repair Time Estimate
Less than 15 minutes