Error code
Samsung / Washing machine
4C
Water supply line needs checking.
What it means
Water supply line needs checking.
This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.
Manufacturer guidance
- Check taps and water lines; restart after two to three minutes.
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.