About this guide
- Written by ApplianceWorth Editorial Team
- Technical contact Victor — appliance technician
- Record updated 2026-07-01
- Applies to Samsung dishwashers
- Confidence medium
- Also displayed as OC
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
The record-update date is a database timestamp, not proof of a fresh model-specific technical review. Check the applicability below and your manufacturer’s instructions before acting on a guide.
What this code means
The dishwasher detected a water level above its safe limit.
Most likely causes
- The inlet valve is not closing fully
- The flow meter or water-level sensing system is inaccurate
- Excess foam is affecting level detection
- The main control is energizing the valve incorrectly
Safe checks for the owner
- Turn off the dishwasher water supply if filling continues.
- Do not start another full cycle until the cause is identified.
- Check for foam and verify that only automatic dishwasher detergent was used.
Estimated U.S. repair cost
$220–$460, depending on model, access, parts availability and local labor.