Jeffrey W Sapphire , NC May 31, 2015 Appliance: Samsung Refrigerator RB215LASH/XAA-0000 Samsung Refrigerator Rb215lash/Xaa-0000 / : Defrosting. How to replace Refrigerator Main Control Board Assembly. Installed a new control panel Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes