Kashmira P Ocala , FL March 08, 2021 Appliance: KitchenAid Refrigerator KBFA20ERSS01 Kitchenaid Refrigerator Kbfa20erss01: Refrigerator was warm. How to replace Refrigerator Defrost Thermistor Kit. The refrigerator was warm but the freezer was cold. Turn off the refrigerator for 24 hours. Plugged the refrigerator back in, the compressor was not kicking on but the condenser fan and evaporator fan were running. Pulled start relay, measured between two bottom points found Open.. replaced start relay and capacitor and compressor stared immediately and everything worked normally. 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes