ER OE
LG
Drain / Overflow Error (Ice/Water System Related)
Error code OE; water may back up or leak; ice production may be affected.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Clogged defrost drain in ice room, Ice buildup in drain trough, Drain hose kinked or blocked, Cabinet drain heater failure (if equipped)
How to Fix / Troubleshooting
Safety: Unplug the refrigerator before clearing drains. Water and electricity are a hazard.
- Locate drain: In the freezer or ice room, find the drain hole beneath the evaporator or ice compartment.
- Clear ice: Use warm water in a turkey baster or squeeze bottle to flush the drain until water flows freely to the drain pan.
- Check drain tube: From the rear, inspect the drain tube leading to the drain pan for kinks or blockages. Clear any debris.
- Verify heater (if present): Some LG models use a small heater near the drain. Inspect for damage and replace if failed.
- Monitor: After reassembly, monitor for recurring water accumulation or OE errors.
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Repair Difficulty
Medium
3/5
Required Part
Defrost Drain Tube
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