What to check first
Can I keep using it?
Confirm context first
Do not keep using the appliance while this warning is active.
- Safe next step
- Match the exact brand, appliance type, displayed code, and model notes before retrying.
- Stop when
- Water, heat, smoke, odor, electrical symptoms, gas odor, or repeated failures appear.
Safety boundaries
Safe first
- Match the exact brand, appliance type, and displayed code first.
- Use the model manual as the final authority for access steps.
- Stop and address visible water before retrying the appliance.
- Disconnect power before any service-access step.
- Turn off water before disconnecting any hose.
Do not do this
- Do not keep running the appliance while this code is active.
- Do not disconnect inlet hoses until the water supply is off.
- Do not bypass locks, float switches, leak sensors, or other safety systems.
Common causes include
- Water supply valve not fully open
- Water supply interruption
- Blocked or restricted inlet hose
Basic checks
- Confirm the dishwasher water supply valve is fully open.
- Check for a visible kink or blockage in the inlet hose.
- Confirm household water service is not interrupted.
Reset or retry steps
- Retry only after water supply is restored and hose connections are dry.
When to call a technician
- Call Samsung service if the code continues after water-supply checks.
- Call service for suspected inlet valve or sensor faults.
FAQ
What does Samsung Dishwasher code 4C usually mean?
Usually indicates that the dishwasher is not receiving enough water.
Can I keep using the dishwasher with code 4C?
Do not keep using the appliance until the visible issue has been checked and the relevant safety warnings have been addressed. Turn off water before hose work.
When should I call a technician for Samsung 4C?
Call Samsung service if the code continues after water-supply checks. Call service for suspected inlet valve or sensor faults.