Direct answer
On a supported LG dishwasher, FE means the dishwasher detected too much water. Cancel the cycle and close the supply valve if water keeps entering. Then check excess detergent foam and run the drain function once.
What this covers
- LG dishwashers displaying FE
- The code and product type exactly match the official source
- Customer-accessible checks before component replacement
What it does not cover
- ×A similar code on another manufacturer or appliance type
- ×Codes omitted from the exact model manual
- ×Internal wiring, sealed-panel or live-electrical repair
Confirm FE 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
ReversibleCancel the cycle and close the supply valve if water keeps entering.
Correct the remaining user-serviceable cause
ReversibleCheck excess detergent foam and run the drain function once.
Run one controlled verification
ReversibleRestore water only after the level is controlled and watch the next fill. Continuous fill with controls off requires immediate service.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What does FE mean on a LG dishwasher?+
It means the dishwasher detected too much water.
Can I clear FE 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.
When is professional service appropriate?+
Continuous fill with controls off requires immediate service.
Answer for the exact device and software version shown above.