Leland C Honolulu , HI January 17, 2021 Appliance: Whirlpool Refrigerator RT21LMXKQ05 The frig and freezer stopped getting cold. I heard a intermittent clicking sound and determined compressor wasn't turning on. I replaced the compressor starter relay. Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Pliers, Screwdrivers