Samsung Error Code nF1 — Error Code nF1

Service Guy AI • Washer • Medium severity • Intermediate skill • ~30 min repair

What Does Samsung Error Code nF1 Mean?

Samsung washer: Error Code nF1

This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.

Possible Causes (5)

Samsung engineers identify the following root causes for fault code nF1. Work through them in the order shown — they are listed from most common to least common.

1. Faulty drain pump preventing water from draining
2. Clogged drain hose obstructing water flow
3. Malfunctioning pressure switch not detecting water level
4. Door interlock issue preventing proper operation
5. Control board failure affecting communication

Step-by-Step Troubleshooting (6 steps)

Follow this sequence to diagnose and clear Samsung error code nF1. Power down and unplug the machine before any internal inspection.

1. Disconnect power before servicing the washer.
2. Inspect the drain pump for blockages or damage.
3. Check the drain hose for kinks or clogs.
4. Test the pressure switch for proper operation.
5. Examine the door interlock for functionality.
6. Inspect the control board for any visible signs of damage.

Required Parts

Have these Samsung OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.

• Drain pump
• Pressure switch
• Drain hose
• Control board

Diagnostic Test Mode

Enter Samsung diagnostic test mode: Press and hold the 'Spin' and 'Soil Level' buttons simultaneously while powering on the washer.

Skill Level & Repair Time

This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.

Get AI-Powered Diagnosis

If the steps above don't resolve Samsung nF1, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Samsung model number, including supplier links for required parts and on-call technician escalation.

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