Samsung Washing Machine Error Code NF1
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 NF1 Mean?
If your Samsung washing machine shows NF1, the appliance has detected water level sensor issues. Most homeowners can troubleshoot this by inspecting visible parts.
How to Fix Error Code NF1
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
Connect the hot and cold water fill hoses correctly on the back of the washer.
Diagnostic Checks for Washing Machine Error NF1
| 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
Before Calling for Service: Check your drain filter (usually at the front bottom). A clogged filter causes most drain-related errors, and cleaning it takes 5 minutes.
Frequently Asked Questions
What does Samsung error code NF1 mean?
If your Samsung washing machine shows NF1, the appliance has detected water level sensor issues. Most homeowners can troubleshoot this by inspecting visible parts.
Can I fix error code NF1 myself?
Many NF1 errors can be fixed with basic troubleshooting. Start with a reset, then check common causes.
How much does it cost to fix error NF1?
Repair costs typically range from $50-$300 depending on the cause.
Should I call a technician for error NF1?
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.