LG · Washing machine
Sud
Evidence-backed user actionalert
LG Sud means the washer detected too many suds and added a suds-reduction cycle.
Market, product family, and model applicability
US · en-US · LG front-load washers covered by the US Help Library index covered by the cited official US support page
product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.
Check the official model/manual lookup (opens in a new tab)What you can do now
Allow the suds-reduction cycle to finish and reduce detergent to the manufacturer's recommended amount.
- Use no more than the detergent manufacturer's recommended amount of HE detergent.
Stop and get service when
Use LG support if Sud continues with the recommended HE detergent amount.
- Contact LG support if Sud continues with correct detergent use.
Do not do
Do not add more detergent or bypass the rinse routine.
Use only detergent and cycle guidance; do not open the washer.
If the message returns
If Sud continues with correct HE detergent use, contact LG support.
Source and scope
Official manufacturer source- Market and locale
- US · en-US
- Product family
- front-load washers covered by the US Help Library index
- Official source last checked
- July 25, 2026
- Review status
- Automated evidence review completed · Owner-delegated approval
LG
LG Front Load Washer - Error Code List · Official error-code index
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