The drip pan is accessible from the bottom rear of the unit after you take off the lower access panel. Yet, I could find NOTHING from LG. Frost buildup inside the refrigerator occurs when warm, humid air from outside of the refrigerator combines with the cold, dry air on the inside. Step 3 Use your owner's manual to determine the location of the defrost drain tube in your refrigerator. Depending upon the brand and model of refrigerator you own, this tube might be located under the fruit and vegetable bins, at the back of the unit or along the floor of the freezer compartment. NOTE: LG refrigerators automatically defrosts every 4-16 hours which should resolve most frost buildup issues. Remove the refrigerator's front grill plate. Locate the drain pan under your refrigerator in which the drain tube empties. Refer to your owner's manual if you have trouble locating the pan. Clogged or Freezing Defrost Drain The defrost drain might be clogged or frozen. Here's the 'chain-of-events': [1] the evaporator and defrost heater are working fine; [2] the condensate tray beneath defrost heater collects water and conveys to drain; [3] condensate drains thru drain and drain tube into condensate tray adjacent to condenser at base of refrigerator; [4] gradually, the draining condensate freezes and the water backs up in the condensate tray; [5] as unit continues to run … Follow the defrost drain line to the pan, since it always empties into the pan. Every online source says water under the fridge is due to a clogged defrost drain or pan.

Water running out front from the front of the refrigerator after each defrost cycle -- Problem solved. If the defrost drain is frozen, thaw it out and ensure that the drain is clear of debris. If the defrost drain is frozen, the water will overflow the drain trough and drip down to the bottom of the compartment.