If your Samsung washing machine is showing a 4C error, it means the machine isn’t getting enough water. In this guide, I’ll show you the real causes, the exact steps to fix it, and how to stop it happening again.
What the Samsung 4C Error Means
The 4C error appears when your washing machine detects low water pressure or no water entering the drum. It’s usually caused by a blocked filter, kinked hose, or a tap that isn’t fully open.
Common Causes of the 4C Error
- Water tap not fully open
- Kinked or twisted inlet hose
- Blocked mesh filter
- Low household water pressure
- Frozen pipes (in winter)
- Faulty inlet valve (less common)
1. Check the water tap
Make sure the tap feeding the machine is fully open.
2. Straighten the inlet hose
Ensure the hose isn’t bent, twisted, or crushed behind the machine.
3. Clean the mesh filter
This is the most common cause. Remove the hose from the back of the machine and gently pull out the small mesh filter. Rinse it under the tap to remove grit and limescale.
4. Check household water pressure
Run a tap in the kitchen or bathroom. If the flow is weak, the issue may be with your home’s supply.
5. Inspect for frozen pipes (winter)
If temperatures are low, the inlet pipe may be frozen.
6. Inlet valve fault
If all else fails, the inlet valve may need replacing — but this is rare.
How to Prevent the 4C Error
- Clean the mesh filter every 6 months
- Avoid pushing the machine too far back
- Keep hoses straight and untwisted
- Check taps regularly
- Install a limescale filter if you live in a hard‑water area