Shane F Sherwood , AR October 17, 2014 Appliance: Frigidaire Refrigerator FGHB2844LF2 Frigidaire Refrigerator Fghb2844lf2: Sy cf error on frigidaire. How to replace Main Power Control Board (Refrigerator). Bought the Main Power Board and installed it within 15 minutes and everything works. Lots of helpful hints on this site to get the right part. Shipping was super fast! 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes