Error code
Samsung / Dishwasher
4C
Water-supply check for valve restriction or low pressure.
What it means
Water-supply check for valve restriction or low pressure.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Check the supply valve and incoming water pressure.
- If 4C continues, close the valve and contact authorized Samsung service.
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.