Reduce detergent and use the specified HE detergent.
LG · Washer
LG Washer Sud Error Code
The documented meaning, with the context that matters for your appliance.
What does the LG Washer Sud code mean?
Sud
DOCUMENTED MEANING
Excess foam
Limited to the series covered by the cited manual.
View manufacturer sourcesLikely causes
- Excess detergentDocumented
What you can check
Models and series
Limited to the series covered by the cited manual.
- Series
- WM4000H*A
- Series
- WM4080H*A
Series identifiers are shown as recorded in the source. They are not a complete list of compatible models.
Use the instructions for your exact appliance model. A similar display on another model can have a different meaning or procedure.
Sources
Manufacturer documentation supporting this entry. FaultDecoded is independent of these manufacturers.
- WM4000H*A / WM4080H*A Washer Owner Manual
LG · Source consulted 2026-09-21