Samsung · Dishwasher
OC Overflow / over-level water
What this code means
A float sensor has detected the water level in the tub exceeding what it should, and the unit pauses to drain it down.
Also displayed as: 0C on some Samsung control panel generations — same fault, different display.
Most likely causes
- Overfilled detergent dispenser causing oversudsing
- Small leak from a hose fitting
- Spray arm misaligned, spraying against the door seal
What to try first
Check that only dishwasher-specific detergent is used and that the spray arms spin freely without hitting anything.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
FAQ
What does Samsung error code OC mean?
Overflow / over-level water. A float sensor has detected the water level in the tub exceeding what it should, and the unit pauses to drain it down.
Can I fix Samsung code OC myself?
Often, yes. Check that only dishwasher-specific detergent is used and that the spray arms spin freely without hitting anything.
What causes Samsung code OC?
The most common causes are: overfilled detergent dispenser causing oversudsing; small leak from a hose fitting; spray arm misaligned, spraying against the door seal.
Other Samsung dishwasher codes
All Samsung dishwasher error codes →
Other dishwasher brands: Bosch · Whirlpool · KitchenAid · GE · LG · Maytag · Frigidaire · Generic · Electrolux · Kenmore
This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.