Tai L Cleveland , OH March 23, 2015 Appliance: Samsung Refrigerator RS2555SL/XAA Samsung Refrigerator Rs2555sl/Xaa / : Not cooling. How to replace Refrigerator Defrost Thermal Fuse Assembly. Replaced the Start Replay and It works like a champ ( Thank you the one who post this problem I had paid $ 107.87 for a technichcian who told my compressor is bad ! ) Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes