Leland C Honolulu , HI January 17, 2021 Appliance: Whirlpool Refrigerator RT21LMXKQ05 Whirlpool Refrigerator Rt21lmxkq05: The frig and freezer stopped getting cold. I heard a intermittent clicking sound and determined compressor wasn't turning on. How to replace Start Device (Compressor Start Device). I replaced the compressor starter relay. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes