Samsung Washing Machine Error Code nF
No fill — water supply insufficient at start of cycle
The washer started a cycle but failed to detect water entering the drum within the initial fill check period. This is similar to 4C but specifically triggers at cycle start rather than mid-fill.
What Does Error Code nF Mean on a Samsung Washing Machine?
No fill — water supply insufficient at start of cycle.
The washer started a cycle but failed to detect water entering the drum within the initial fill check period. This is similar to 4C but specifically triggers at cycle start rather than mid-fill.
What Causes Error Code nF?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Water supply valve closed or pressure too low 45% of cases
- 2 Inlet valve screens clogged 35% of cases
- 3 Water inlet valve solenoid failed 20% of cases
How to Fix Samsung Washing Machine Error Code nF
- 1
Open supply valves fully
Both hot and cold valves must be completely open.
- 2
Clean inlet hose screens
Unscrew hoses at the back of the washer, remove the mesh screens, and clean under running water.
- 3
Test water pressure
Turn on a nearby tap to check pressure. Below 20 PSI triggers nF.
- 4
Replace inlet valve
If pressure and screens are fine, test solenoid coils (200–500 ohms) and replace if failed.
🔩 Samsung inlet valve ($30–$70)
How to Reset Error Code nF
Fix the supply issue and press Start. nF clears when fill is successfully detected.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
When to Call a Professional
If supply is confirmed and valve is new but nF continues, the fill sensor or control board water detection circuit has failed.
Related Error Codes
Find Replacement Parts
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