Virginia D Dayton , TX March 07, 2021 Appliance: LG Refrigerator LTCS20220B/01 Lg Refrigerator Ltcs20220b/01: Ice maker was freezing up. How to replace Water Valve Assembly. Replaced the water valve inlet and helped the ice maker to make ice without freezing up. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes