Samsung Washing Machine Error Code NF
Last updated: January 14, 2026 MEDIUM
⚠️ Safety Warning
- Unplug the appliance before attempting any repairs
- Never attempt repairs while the appliance is energized
- If you're unsure, contact a certified Samsung technician
- Keep children and pets away during troubleshooting
🔧 Tools You May Need
- Multimeter
- Screwdriver set
- Work gloves
- Adjustable pliers
- Bucket
- Towels
- Flashlight
What Does Error Code NF Mean?
If your Samsung washing machine shows NF, the appliance has detected a water drainage problem. Most homeowners can troubleshoot this by performing a reset.
How to Fix Error Code NF
Step 1: Reset Your Washing Machine
- Unplug the washing machine from the power outlet
- Wait 2-3 minutes for the capacitors to discharge
- Plug the appliance back in
- Check if the error code has cleared
Step 2: Specific Troubleshooting
If the washer takes 40 minutes or more to fill or if the water level doesn't change after six minutes, the nF code will appear. Check that the water supply faucets behind the washer are fully open and kink-free.The lines can also freeze if the washer is exposed to low temperatures. The code might also appear if the water inlet fill valves are defective and need replacement.
Diagnostic Checks for Washing Machine Error NF
| Diagnostic Check | Expected Result | If Failed |
|---|---|---|
| Check water supply valves (hot & cold) | Both valves fully open, good water pressure | Open valves, check for kinks in hoses |
| Inspect drain hose for clogs | Clear path, hose not kinked or clogged | Clear blockage, straighten hose |
| Test door/lid switch with multimeter | Continuity when closed, no continuity when open | Replace door/lid switch assembly |
| Check load balance | Load evenly distributed in drum | Redistribute clothes, run spin cycle |
| Verify drain pump operation | Pump runs, water drains within 2 minutes | Clean pump filter, check for obstructions |
💡 Pro Tips from ErrorCodeHub
Load Size Rule: Never fill the drum more than 3/4 full. Overloading is the #1 cause of unbalance errors and premature bearing failure.
Frequently Asked Questions
What does Samsung error code NF mean?
If your Samsung washing machine shows NF, the appliance has detected a water drainage problem. Most homeowners can troubleshoot this by performing a reset.
Can I fix error code NF myself?
Many NF errors can be fixed with basic troubleshooting. Start with a reset, then check common causes.
How much does it cost to fix error NF?
Repair costs typically range from $50-$300 depending on the cause.
Should I call a technician for error NF?
If basic troubleshooting doesn't work, or you're uncomfortable with repairs, contact a certified technician.
More Samsung Washing Machine Error Codes
When to Call a Professional
Consider contacting a certified Samsung technician if:
- The error persists after troubleshooting
- You're not comfortable with DIY repairs
- The repair involves electrical or gas components
- Your appliance is still under warranty
Find a technician: Call Samsung support or search for certified repair services in your area.