William B Ocala , FL December 05, 2022 Appliance: Frigidaire Refrigerator FGHC2331PFAA Frigidaire Refrigerator Fghc2331pfaa: Digital interface had missing LCD's. How to replace User Interface Control Board. It took a while before I could find the model and part numbers. Once I did, I found the User Interface at a good price and delivered quickly. It was easy to install and works perfectly. I just hope it lasts longer than the original. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes