Joseph E Port Royal , VA July 19, 2021 Appliance: LG Refrigerator LMX25984ST00 Lg Refrigerator Lmx25984st00: Faulty control panel display indecipherable also faulty push (for water) button 10. How to replace Display Power Control Board Assembly. After unplugging the refrigerator and removing the left door handle (for access), I removed the control panel fascia, disconnected the electrical connections, removed 8-10 screws securing the panel, and then reversed the procedure. A ‘Piece of cake.’ 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes