Written by
Nadia Okafor Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeSUd, 5UD, Sd, 5d, SUdS, 5Ud5
ApplianceWasher
Same message, six spellings
SUd, 5UD, Sd, 5d, SUdS and 5Ud5 all describe one event: the washer sensed excessive suds. It halts for a spell so the foam can settle, then continues without you. Once the cycle is over, the code may blink again as a reminder.
A detergent matter, not a failure
According to Samsung, this code does not mean the washer needs service. Incorrect detergent use is behind it, so the quantity and type of detergent are what to review.
If it keeps recurring
Look behind the washer for kinks in the supply hoses and the drain hose.
Start an empty cycle with nothing added, no detergent and no fabric softener, and watch for suds.
Suds in the empty cycle mean too much detergent, or a detergent that is not HE. Keep running empty cycles until the foam is gone, then check whether the code returns.
No suds, yet the code persists: go to Samsung’s Support Center and ask for service.
See also
Ub and Ur: an unbalanced load, another pause that is not a failure
Empty cycles done and SUd still appearing? A Samsung washer in San Francisco or the Bay Area can go through Samsung washer repair, or you can call (415) 969-6153. It helps to name the code, the model number and the detergent you normally use.
Model compatibility: Samsung reuses codes across series and model years, so SUd, 5UD, Sd, 5d, SUdS, 5Ud5 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
SUd and its variants mean excess suds were detected; the washer pauses, resumes, and no service is needed.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
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Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
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