Mark P Watsonville , CA March 22, 2020 Appliance: LG Refrigerator LFC25765ST/00 Lg Refrigerator Lfc25765st/00: Refrigerator quit working due to error code dh. How to replace Defrost Control Assembly. Replaced the thermistor. Your videos made it possible. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours