If the drain heater has failed to function then this can also lead to water leakage.
Lg refrigerator leaks water onto floor.
And causes to water to pool and leak.
Water leaking out of the refrigerator is a common issue on excessively humid days.
Check the defrost drain to determine if it is clogged or frozen.
A common reason for refrigerators to leak water into the floor is a clogged defrost drain or a cracked lg refrigerator drain pan.
You should also be aware that high humidity levels will accelerate dew forming.
When the defrost heater in the freezer melts away the frost on the cooling coil the water flows down a drain and into a pan underneath the unit.
In addition flush the drain with hot water to ensure that it 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.
This water can eventually leak onto the floor.
Easy interim step to remove water from drain tray where drain tube is iced up.
Water can leak from a wrongly installed purifier hose.
Clean out the drain pan to assist with heat transfer so the water evaporates faster.