Kurt C New Kensington , PA December 21, 2019 Appliance: Samsung Refrigerator RF28HMEDBSR/AA-0000 Samsung Refrigerator Rf28hmedbsr/Aa-0000 / : Stopped cooling. How to replace Refrigerator Inverter Pcb Assembly. Replaced 3 of 4 control boards 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes