SUD Samsung washing machine SUD error
Low severity
What it means
The SUD error means excessive foam has been detected.
Likely causes
Using too much detergent or an unsuitable type of detergent.
Safe steps you can try
Stop the machine, let the foam settle, and use less HE-type detergent going forward.
When to call a technician
If the foam issue keeps happening, the detergent dispenser needs checking.