Larry L Torrance , CA May 31, 2020 Appliance: Samsung Refrigerator RB195BSBB/XAA Samsung Refrigerator Rb195bsbb/Xaa / : Freezer evaporator icing. Fan striking ice. How to replace Refrigerator Temperature Sensor. Installed temp sensor and defrost fuse. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes