Sebastian E Cinnaminson , NJ July 06, 2020 Fan making a loud sound, stopped circulating air temp reading incorrectly typical issue with Samsung refrigerators is they freeze up and the ice stops the fan Disassembled the fan housing/rear cover. Replaced fan, defrost thermostat and temp sensor. Used hair dryer to defrost big block of ice. Put it back together abs good to go. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes