Samsung Washers2014–present

Error Code nF

Your washer is not getting enough water.

Moderate

Address soon - your appliance may not work properly

Also displayed as: nF

What This Means

Foreign material is entering the water supply valve; Water supply valve terminal is not connected (wire disconnected); Warm water and rinse connectors are wrongly connected to each other; PCB terminal from drain hose to detergent drawer is not connected; Transparent hose is folded or torn; Cold and warm water supply hoses are wrongly engaged

What actually causes this:

The water supply faucets behind the washer may be turned off, or the inlet hose filter screens are clogged with sediment.

First Thing to Check

Make sure both hot and cold water faucets behind the washer are fully turned on.

Parts Involved

Water Supply ValveMain PBAWater Supply Hoses

How to Fix

  1. 1

    1. Check the resistance for the water supply valve — Resistance: 0.8k to 1.8kΩ between the terminals

  2. 2

    2. Check whether the water supply valve is clogged with foreign material and whether water is supplied continually

  3. 3

    3. Check whether there is no water supplied

  4. 4

    4. If water supply valve filter is clogged, clean the filter

  5. 5

    5. If PBA relay operates abnormally, replace the PBA

This Error Applies To

Samsung WF42H5000AW Series Washers (2014) (2014–present)

Service manual exact match: WF42H5000AW/A2

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