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Source-backed error-code guide

Reviewed

Samsung Washer 4C / 1 4C / nF / 4E Error Code

The 4C family identifies a not-filling condition. Begin with the documented water-supply and visible hose checks, and confirm the exact model before using any model-dependent procedure.

Applies to Samsung washer

What the appliance detected

Detected condition

Water is not entering the washer correctly.

What may contribute

Possible causes

  • A hot or cold water-supply hose that is connected to the wrong inlet, bent, kinked, or pinched.
  • A water-supply valve that is not completely open.
  • A missing hot-water connection when the washer attempts to use hot water, including during some cycles labeled Cold.
  • A drain hose that is kinked or not installed as documented for the model.
  • Debris restricting the user-accessible water-supply filters.

Start conservatively

Safe preliminary checks

Work in order and stop whenever a step is not supported by the documentation for your model.

  1. Record the exact code and model number

    • Photograph or write down whether the washer displays 4C, 1 4C, nF, or 4E before resetting or disconnecting it.
    • Confirm the full model number and use the owner manual for the hose layout and any filter access.

  2. Check the visible water-supply setup

    • Confirm hot is connected to hot, cold is connected to cold, and both supply hoses are present when the model requires them.
    • Look for visible bends, kinks, or pinched sections without moving the washer unsafely.
    • Confirm both water-supply valves are completely open and that Flood Safe hoses are not being used.

  3. Review the visible drain-hose installation

    • Confirm the drain hose is not kinked and follows the placement instructions in the exact model manual.
    • Do not remove the screw or holder that secures the drain hose to the back of the washer.

  4. Use only documented inlet-filter access

    • If the owner manual supports a user-accessible filter check, turn off the water-supply valves and disconnect power before disconnecting a hose.
    • Stop if the filter is not readily accessible or the hose cannot be disconnected and reconnected without damage or leakage.

  5. Power cycle only after troubleshooting

    • After correcting a documented hose or supply issue, unplug the washer or turn off its circuit breaker for one minute, then restore power and try one cycle.
    • A power cycle can clear the displayed code without fixing its cause. If the code returns, do not repeatedly reset it because that can erase diagnostic history useful to a technician.

Actions not recommended

  • Do not remove washer panels or access internal valves, wiring, sensors, or controls.
  • Do not disconnect a supply hose while its water valve is open.
  • Do not repeatedly power cycle the washer when the code returns.

When to stop and request service

  • The code continues after the visible supply, valve, hose, and model-supported filter checks and one documented power cycle.
  • The washer fills continuously; turn off the water-supply valves and request service.
  • A hose or connection is damaged or leaking, or internal inspection would be required.

Documented source

Official information reviewed

Our summary is based on manufacturer support material and stays within the limits of that material.

Source reviewed by Appliance Help HQ: August 12, 2026.

Appliance Help HQ is an independent informational site and is not affiliated with or endorsed by Samsung.

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