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nF

Error nF - Water supply problem

Samsung · Washing Machines

What does nF mean?

This error indicates an issue with the water supply to the washing machine. It could mean water isn't entering the machine or is disconnected.

Common Causes

  • Hot and cold water supply hoses are not connected properly.
  • The household water supply is disconnected or turned off.
  • A faulty water level sensor is preventing detection of water.
  • The water supply faucets (taps) are not fully open.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify that the hot and cold water supply hoses are securely attached to both the washing machine and the wall faucets.

  2. 2

    Ensure that the water supply faucets for both hot and cold water are fully turned on.

  3. 3

    Check if your home's main water supply is active and not turned off.

  4. 4

    Unplug the washing machine for 30 seconds, then plug it back in and restart the cycle.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

1Diagnostic Code 1 - Water level does not drop11Error 11 (FAiL) - EEPROM fault, program settings reset1C1C — Water Level sensor is not working properly.
Source: Samsung Washing Machines
Open Manual (Page 42)Search more codes in this manual