Peter L Lansdale , PA January 25, 2019 Appliance: Frigidaire Refrigerator FFHB2740PS6A Frigidaire Refrigerator Ffhb2740ps6a: Water dispenser would not shut off on Frigidaire refrigerator. How to replace Refrigerator Main Power Control Board Assembly. Replaced module. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes