Error code
Samsung / Dishwasher
4C
Water supply check.
What it means
Water supply check.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Check whether the valve is closed and whether the line is frozen or clogged.
- Close the water supply and contact Samsung service if it persists.
Manufacturer source
Models documented with this signal
Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.
If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.