Nathan C San Rafael , CA January 25, 2022 Appliance: Samsung Refrigerator RF23HCEDBSR/AA-0000 Ice buildup in Samsung rf23hcedbsr refrigerator, causing refrigerator fan to make noise and stop working. Evaporator Cover and Damper Motor Cover assemblies are plug-and-play. Defrost the fridge, remove all shelves, unscrew old units and replace. Quite simple. Working perfectly now. TBD if it is a permanent fix. A temp sensor is not needed if replacing the fridge Evaporator Cover assembly (a new one comes with it). Read More... 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers