Les L Enid , OK July 15, 2021 Appliance: Model KBF520EVM50 KitchenAid refrigerator/ freezer cooling was erratic I watched a video and read other people’s stories on this site and determined it was the compressor start relay. Ordered the factory replacement part. I installed it in minutes and it was fixed. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes