Eduardo F Miami Beach , FL April 28, 2023 Appliance: Frigidaire Refrigerator DGUS2645LF6A Frigidaire Refrigerator Dgus2645lf6a: Water dispenser would turn on and off at random. How to replace Refrigerator Coil Brush. Replaced the Main Power Control Board as recommended Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes