Samsung Washing Machine Error Code SUd
This is not a breakdown. The washer has detected excess foam and pauses to let it break down before continuing. It is caused by detergent, not by the machine.
Also shown as: Sd, 5d, 5UD
Common causes
- Too much detergent for the load
- Non-HE detergent used in a high-efficiency machine
- Detergent buildup from repeated overdosing
What to check, in order
- Wait: the machine usually clears the foam and resumes on its own.
- Use less detergent, and use HE detergent in front-load and HE top-load models.
- Run an empty hot wash or tub-clean cycle to clear detergent residue.
Clear the code and test
- Fix what the checks above found first — a filter cleaned, a hose straightened, taps opened. Clearing the code without fixing the cause only brings it back.
- Close the door, plug the machine back in and restore the water supply.
- Run a short rinse and spin, or the shortest wash programme, and watch the stage where the code appeared before (filling, washing, draining or spinning).
- If the cycle finishes with no code, the fault is cleared. If the code returns at the same stage, write down the code and that stage before calling a technician — it speeds up the diagnosis.
When to call a professional
Most cases are solved by the checks above. Book a technician if any of these apply:
- The code comes back after you have run the checks and a test cycle.
- You smell burning, see sparks or scorch marks, or the breaker trips.
- Water is leaking and you cannot stop it at the tap.
- The fix needs panels opened beyond what your manual describes, or a part tested with a meter, and you are not set up for that.
When you call, give the brand, the code SUd, your model number (on a label inside the door or on the back) and the checks you already ran. It shortens the visit.
Questions people ask about SUd
What does SUd mean on a Samsung washing machine?
SUd means: Too many suds detected. This is not a breakdown. The washer has detected excess foam and pauses to let it break down before continuing. It is caused by detergent, not by the machine.
Can I fix Samsung SUd myself?
Usually, yes. Code SUd is rated DIY-friendly: the checks on this page cover the common causes and use basic household items only. If the code returns after the checks and a test cycle, book a technician.
How do I clear Samsung SUd?
Fix the cause first — clearing the code on its own brings it straight back. Then restore power and water, run the shortest programme, and watch the stage where the code appeared. If the programme finishes with no code, it is cleared.
Sources checked
- Samsung support: washing machine information codes
- Samsung support: dishwasher information codes
- Samsung support (US): dishwasher troubleshooting
The meaning and checks for this code were checked against the sources above in November 2026. Codes vary by model and region; if your manual lists a different meaning for your exact model, follow the manual.