On a supported LG dishwasher, OE means water is not draining from the dishwasher. Disconnect power, clean the filter and remove debris from the visible sump. Then correct hose kinks, the high loop or air gap, and a disposal connection that still has its knockout plug.
What this covers
- LG dishwashers displaying OE
What it does not cover
Try in this order
0 of 4 completedConfirm OE on the exact model
ReversiblePhotograph the complete display, record the model tag and note the cycle stage. Similar-looking codes can mean different things on another product line.
Check the condition named by the code
ReversibleDisconnect power, clean the filter and remove debris from the visible sump.
Correct the remaining user-serviceable cause
ReversibleCorrect hose kinks, the high loop or air gap, and a disposal connection that still has its knockout plug.
Run one controlled verification
ReversibleRun Cancel/Drain and confirm the tub empties. A clear installation with a repeat OE can require drain-pump service.
Evidence ledger
Sources behind this answer
Exact questions
Common questions about “LG dishwasher OE code”
What does OE mean on a LG dishwasher?+
It means water is not draining from the dishwasher.
Can I clear OE by resetting the dishwasher?+
A restart may clear a stored display only after the underlying condition is corrected. Repeatedly resetting without correcting the cause is not a repair.