Pravin P Mechanicsburg , PA June 25, 2016 Appliance: Samsung Refrigerator RB215LASH/XAA-0000 Samsung Refrigerator Rb215lash/Xaa-0000 / : Freezer section no ice and temperature fluctuations found ice built on the evaporate coil. How to replace Refrigerator Temperature Sensor. Replace Temp sensor, thermo fuse 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours