Tom J Daphne , AL June 27, 2022 Appliance: LG Refrigerator LFX31925ST/00 Lg Refrigerator Lfx31925st/00: Not cooling in the refrigerator. Frosting over in freezer. How to replace Freezer Defrost Heater. Air Duct fixed the reftig. The defroster & control fixed freezer. Thanks for the help and great parts. LFX31925ST/00 Always remember the /00 to get the correct part. Thanks Tom 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 2+ hours