Jonathan C Manchester , NH January 18, 2021 Appliance: LG Refrigerator LMX25964ST/01 Lg Refrigerator Lmx25964st/01: Fridge no longer cooling. How to replace Power Control Board Assembly (Main Control Board). Replaced secondary board. Loud audible clicking clearly coming from the board. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes