Frank G Mesa , AZ September 27, 2020 Appliance: Frigidaire Refrigerator FGHC2331PFAA Frigidaire Refrigerator Fghc2331pfaa: Fluxuating refrigerator temperatures. How to replace Pcb Main Power Control Board Assembly. Replaced Main Power Board Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes