LG Dishwasher OE Error
What it means
The OE error on an LG dishwasher is a drain error (Outlet Error) — the water didn't drain out within the expected time. It's most often caused by a clogged filter, a blocked or kinked drain hose, or a clogged air gap, all of which you can usually clear yourself. Less commonly it's a faulty drain pump.
Common causes of the OE error
- Dirty or clogged drain filter trapping food residue
- Clogged drain hose (food particles, grease, debris)
- Kinked drain hose, or one installed too high or too long
- Clogged air gap at the sink
- Garbage-disposal knockout plug left in place
- Faulty drain pump (less common)
How to fix the LG Dishwasher OE error
- 1Run Cancel & Drain firstActivate the CANCEL & DRAIN function (on many LG models, press and hold two buttons together — for example DELICATE + DUAL CONTROL) to pump out standing water before you start cleaning.
- 2Turn off power before reaching insideFor safety, switch off the dishwasher at the breaker before clearing the filter or hoses.
- 3Clean the drain filterRemove the bottom rack, take out the filter assembly at the base of the tub, and clear away any food residue and debris. Rinse it and reseat it firmly.
- 4Clean the air gapLook down into the air gap on the sink, remove any debris with a brush or toothpick, then pour hot water through it (a turkey baster works well) to flush it clear.
- 5Check the drain hoseLook under the sink where the drain hose meets the garbage disposal and verify it isn't kinked or clogged. Confirm the disposal's knockout plug was removed at installation.
🧰 When to call a professional
If the filter, air gap, and drain hose are all clear but OE keeps appearing, the drain pump has likely failed and the unit will need a repair service. Replacing the pump means accessing the base of the dishwasher and is best handled by a qualified technician.
LG OE error — FAQ
What does OE mean on an LG dishwasher?
OE is a drain (Outlet Error) code — the dishwasher couldn't pump the water out in time, usually due to a clogged filter, drain hose, or air gap.
How do I fix the OE error on my LG dishwasher?
Run Cancel & Drain to empty standing water, then clean the drain filter, clear the air gap, and check the drain hose for kinks or clogs. That resolves most OE errors.
Why is my LG dishwasher not draining?
The most common reasons are a clogged filter, a blocked or kinked drain hose, a clogged air gap, or a garbage-disposal plug left in place. If all are clear and OE persists, the drain pump may have failed.
Sources
This guide is independently written and not affiliated with LG. Always unplug appliances before servicing and follow your model's manual. Error codes and steps can vary by model — when in doubt, consult a qualified technician.