Samsung Dishwasher Error OC: What It Means and How to Fix It
Short answer
OC on a Samsung dishwasher means: the dishwasher stops during the programme or doesn't finish; small leaks at the lower door, continuous fill noise and heavy foam (wrong detergent / too much foam). First step: Check detergent amount, visible foam and cleanliness of the filters.
Overfill / excess foam
How to fix it
- 1Check detergent amount, visible foam and cleanliness of the filters.
- 2Check whether water collects in the base area.
- 3Check the drain hose for kinks and that the dishwasher is not standing on it.
- 4If the code persists, contact Samsung customer service.
Safety
- On overflow, shut off the main water supply before contacting Samsung support.
When to call a professional: If the code persists after the suggested steps, contact Samsung Support.
Applies to: Samsung dishwashers with a digital display
Still showing OC? Show it to Rex
Point your phone camera at your Samsung dishwasher and Rex, our AI repair expert, walks you through the checks live, step by step.
Source
Based on Samsung's official error code information: Samsung CH (DE) – Was bedeuten die Fehlercodes, die mein Geschirrspüler anzeigt?. 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 dishwasher error code OC mean?
The dishwasher stops during the programme or doesn't finish; small leaks at the lower door, continuous fill noise and heavy foam (wrong detergent / too much foam).
How do I fix OC on a Samsung dishwasher?
Check detergent amount, visible foam and cleanliness of the filters. Check whether water collects in the base area. Check the drain hose for kinks and that the dishwasher is not standing on it. If the code persists, contact Samsung customer service.
When should I call a technician for OC?
If the code persists after the suggested steps, contact Samsung Support.