Pamela Z La Crosse , WI September 08, 2017 Appliance: Samsung Refrigerator RS261MDWP/XAA Samsung Refrigerator Rs261mdwp/Xaa / : Frig too cold (25°). How to replace Refrigerator Temperature Sensor. My husband replaced temp sensors and frig temp is normal. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes