John L San Antonio , TX June 08, 2016 Appliance: Model 106.56574400 Our refridgerator was not cooling but the freezer was working fine I tested the defrost heater and the defrost bi-metal thermostat, both test good. The only component left was the main control board. So I ordered it from appliancepartsPro.com, I received it in 2 days, replaced it in 20 minutes and our refrigerator has been cooling great. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes