You can unplug your LG refrigerator, let it sit for 24 hours, and allow it to defrost naturally. Unfortunately, there isn't a specific manual defrost function for your model (LFXC24726S), so unplugging it and letting it thaw is the recommended approach. Allowing it to defrost naturally is...
Discover LG AGF80300702. Click for pictures, reviews, and tech specs for the LG LT700P - 6 month/200 Gallon Capacity Replacement Refrigerator Water Filter.