Timothy F Albany , NY November 21, 2023 Appliance: Samsung Refrigerator RF26HFENDSR/AA Samsung Refrigerator Rf26hfendsr/Aa / 0002: Samsung refrigerator evap coil and drain constantly freezes up. How to replace Refrigerator Defrost Thermal Fuse Assembly. Used a longer metal tab that fits into the drain tube, this piece clips onto the heating element I got from AppliancePartsPros.com. I also changed sensors the fan motor, and the thermal fuse while taken apart. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours