Keithlai L Belmont , CA February 20, 2017 Appliance: Samsung Refrigerator RS25H5111SR/AA-0000 Samsung Refrigerator Rs25h5111sr/Aa-0000 / : Freezer side cold but refrig side warm temp showing 0 for freezer 54 for refrigerator slight build up of ice in lower refrig side refrig made humming and buzzing sounds. How to replace Refrigerator Temperature Sensor. Changed temp and heat sensor, assy motor and the heater-sheath. Works well now , no buzzing sound and temp readings are correct. Samsung side by side in working order for now.Thanks 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes