Aleksandr M Richardson , TX October 05, 2014 Appliance: Samsung Refrigerator RS2556SH/XAA-0000 Samsung Refrigerator Rs2556sh/Xaa-0000 / : Could not start refrigerator. How to replace Refrigerator Main Control Board. Within 10 minutes replaced main board. That's it. 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes