Lawrence L Torrance , CA February 27, 2020 Appliance: Samsung Refrigerator RB195BSBB/XAA Samsung Refrigerator Rb195bsbb/Xaa / : Evaporator icing temp 47 freezer 20. How to replace Refrigerator Temperature Sensor. Replaced temp sensor, thermal fuse. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes