Samsung Washing Machine Error 4C: What It Means and How to Fix It
Short answer
4C on a Samsung washing machine means: water is not entering (or too little) – water supply issue. First step: Fully open the tap and confirm water flows (not frozen).
Water supply issue
How to fix it
- 1Fully open the tap and confirm water flows (not frozen).
- 2Make sure the water pressure is 0.5–8 bar and the flow is at least 4 l/min.
- 3Clean the mesh filter in the supply hose; make sure hoses are not clogged or kinked.
- 4Check whether the AquaStop hose has tripped.
- 5Check the drain hose height.
- 6If the code persists, contact Samsung customer service.
Safety
- Switch the appliance off and unplug it before removing any cover or filter.
When to call a professional: If water supply is fine and the code returns, Samsung Service.
Applies to: Samsung washing machines
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Source
Based on Samsung's official error code information: Samsung UK – What do the codes on my washing machine mean?. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.
Frequently asked questions
What does Samsung washing machine error code 4C mean?
Water is not entering (or too little) – water supply issue.
How do I fix 4C on a Samsung washing machine?
Fully open the tap and confirm water flows (not frozen). Make sure the water pressure is 0.5–8 bar and the flow is at least 4 l/min. Clean the mesh filter in the supply hose; make sure hoses are not clogged or kinked. Check whether the AquaStop hose has tripped. Check the drain hose height. If the code persists, contact Samsung customer service.
When should I call a technician for 4C?
If water supply is fine and the code returns, Samsung Service.