Sud — (SUdS) — Excessive foam detected

How to fix it

1. Let the suds-reducing cycle finish — it WILL clear on its own; don't interrupt unless leaking.
2. Switch to HE-only detergent and dose 1-2 tablespoons per normal load (not the cap fill line).
3. Run an empty Tub Clean cycle with a tub-cleaner tablet to clear residue.
4. Pull the dispenser drawer and rinse it under hot water; scrub the back recess with an old toothbrush.
5. Open the lower drain pump filter and clear lint/debris over a shallow pan.
6. If Sud appears with the correct dose of HE detergent, suspect the pressure sensor or hose.

Why it happens

Typical signs: Sud or SUdS on the display · Cycle time extends by ~2 hours · Visible foam climbing the door glass · Cycle pauses to add rinses

• Non-HE detergent Regular detergent makes 2-3x the foam of HE — never use it in a front-load or HE top-load.
• Too much HE detergent Even HE soap over-foams if dosed past the manufacturer line — 1-2 tbsp is plenty for a normal load.
• Soft water amplifies suds Soft water dramatically increases foam — cut dosage in half.
• Detergent residue in tub/dispenser Buildup from years of over-dosing keeps releasing foam every cycle.
• Clogged drain or pump filter Slow drain leaves soapy water in the tub between cycles.
• Faulty pressure sensor (rare) Sensor misreads foam as a leak/fill issue.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

• Pressure sensor / hose Common replacement
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