OE Moderate Easy DIY

LG Dishwasher OE — Will Not Drain

LG Dishwasher · Error code OE

What OE Means

OE (Outlet Error) means the dishwasher could not drain the water within the expected time. Water is left in the bottom of the tub.

Most Likely Fix

Drain error - water not draining

PartDrain pump
Typical cost$40-90
Difficultymoderate
Time60 min

Tools: screwdriver, nut driver, towels

Diagnose first: Clogged filter/sump is most common; failed drain pump motor is next. Check the disposal knockout if recently installed.

Find this part on Amazon →

If the primary fix doesn't resolve it:

PartDrain hose / check valve
Typical cost$15-30
Find this part on Amazon →

Symptoms

  • Standing water in the tub bottom
  • Dishes not drying
  • OE on the display

Common Causes

1
Clogged filter or sump

Food debris in the bottom filter basket and sump blocks the drain. Clean this first.

2
Clogged or kinked drain hose / air gap

A blockage at the drain hose, air gap, or garbage-disposal inlet.

3
Failed drain pump

A pump that will not move water.

How to Fix It

  1. Remove and clean the bottom filter and clear the sump of debris.
  2. Check the drain hose for kinks and clear the air gap (if equipped).
  3. If a garbage disposal was recently installed, confirm the knockout plug was removed.
  4. Test/replace the drain pump if it still will not drain.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

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Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.