4E — Water supply error (older code, same as 4C)
Water supply error (older code, same as 4C).
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Typical cost
- $25-50
- Verified against
- samsung.com ↗
The fix
Water inlet valve assembly
Water supply error (older code, same as 4C)
Diagnose first: Check that both hot and cold supply valves are fully open and hoses aren't kinked before replacing parts.
Find this part on Amazon →Didn't resolve it? Next suspect: Fill hoses with screens ($15-25)
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How to fix it
- Check that both hot and cold supply valves are fully open and hoses aren't kinked before replacing parts.
- If diagnosis confirms the fault, replace the water inlet valve assembly (typical cost $25-50, about 45 min, moderate DIY).
- Still throwing 4E? Test the fill hoses with screens next ($15-25).
Why it happens
Typical signs: 4E shown on the display · Water supply error (older code, same as 4C)
- Most likely: Water inlet valve assembly Check that both hot and cold supply valves are fully open and hoses aren't kinked before replacing parts.
- Next most likely: Fill hoses with screens If the primary fix does not resolve the code, this is the next part to test.
More Samsung washer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: samsung.com.