Samsung Washing Machine Error Sud: What It Means and How to Fix It
Short answer
Sud on a Samsung washing machine means: too much foam detected. First step: Wait – it usually clears on its own.
Too much foam
How to fix it
- 1Wait – it usually clears on its own.
- 2If it does not clear, run an Eco Drum Clean or a 90 °C cotton cycle with no detergent and no load.
- 3If it persists, clean the drain pump filter and the water-supply mesh filter, then run a spin to drain.
- 4If the code persists, contact Samsung customer service.
Safety
- Switch the appliance off and unplug it before removing any cover or filter.
When to call a professional: If it persists, Samsung Service.
Applies to: Samsung washing machines
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Source
Based on Samsung's official error code information: Samsung UK – What do the codes on my washing machine mean?. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.
Frequently asked questions
What does Samsung washing machine error code Sud mean?
Too much foam detected.
How do I fix Sud on a Samsung washing machine?
Wait – it usually clears on its own. If it does not clear, run an Eco Drum Clean or a 90 °C cotton cycle with no detergent and no load. If it persists, clean the drain pump filter and the water-supply mesh filter, then run a spin to drain. If the code persists, contact Samsung customer service.
When should I call a technician for Sud?
If it persists, Samsung Service.