LGWASHER

LG · Washing machine

LG Sud error code

Too many suds

The washer found too much foam and switched to a suds-reducing routine, which adds about 2 hours to the cycle.

Also shown as Sd

Worth repairing?

Not a fault

Nothing to repair. It's the detergent.

Can you do it yourself?

Very easy

No work, just wait

Before you start

  • Low risk: nothing to open up.

What to check, in order

  1. Let it run

    The washer deals with the suds by itself.

  2. Use HE detergent, and less of it

    No more than the recommended amount, and less again if you have soft water.

When to call an engineer

Not needed.

Parts people end up buying

Only if the checks above point to a part. Match it to your model number first: it's on a label inside the door, around the door frame or on the back.

Affiliate links: as an Amazon Associate I earn from qualifying purchases, at no extra cost to you. It never changes a verdict.

Checked against

Last reviewed September 2026. Manufacturers update their pages, and your manual is the final word.

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