Error Code OC
Too much water detected inside the dishwasher
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: OC
What This Means
Case brake fails to detect the pulse (flow meter issue); Water valve is out of order (not closing properly); Water inlet valve leaking through when it should be off; Drain pump or hose allowing water to backflow
What actually causes this:
The water inlet valve isn't closing properly, allowing water to slowly leak in between cycles
First Thing to Check
Turn off the dishwasher and the water supply valve under the sink, then check for standing water in the tub
Parts Involved
How to Fix
- 1
1. Check and reconnect overflow sensor connector
- 2
2. Check if inlet valve operates normally — see 4C water supply error diagnostics
- 3
3. Check if small amounts of water are supplied when inlet valve should be off — if so, clean or replace valve
- 4
4. Check for water leakage on top of the case sensor — clean hose-sensor and case sensor
- 5
5. If no obvious cause found, replace Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DW80M9 Series Dishwashers (2018) (2018–present)
Related Error Codes
The dishwasher isn't getting enough water to run
The dishwasher can't drain the dirty water out
The heating element isn't warming the water properly
The water inside the dishwasher got dangerously hot
The water temperature sensor isn't reading correctly
A control panel button appears to be stuck or pressed
The touch panel and the control board aren't communicating properly
The dishwasher's main computer and the display board can't talk to each other