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Samsung washer 4C, 4E, nF or 1 4C code: the washer is not filling correctly

4C, 4E, nF or 1 4C means the washer is not filling correctly. Open both supply valves fully, confirm hot and cold hoses are connected to their matching inlets, and remove hose kinks.

Direct answer

On a supported Samsung washer, 4C, 4E, nF or 1 4C means the washer is not filling correctly. Open both supply valves fully, confirm hot and cold hoses are connected to their matching inlets, and remove hose kinks. Then check that the drain hose is held in the documented position and is not pushed too far into the standpipe, then clean inlet screens only with both valves closed.

What this covers

  • Samsung washers displaying 4C, 4E, nF or 1 4C
  • The code and product type exactly match the official source
  • Customer-accessible checks before component replacement

What it does not cover

  • ×A similar code on another manufacturer or appliance type
  • ×Codes omitted from the exact model manual
  • ×Internal wiring, sealed-panel or live-electrical repair
Try in this order0 of 4 completed

  1. Confirm 4C, 4E, nF or 1 4C on the exact model

    Reversible

    Photograph the complete display, record the model tag and note the cycle stage. Similar-looking codes can mean different things on another product line.

  2. Check the condition named by the code

    Reversible

    Open both supply valves fully, confirm hot and cold hoses are connected to their matching inlets, and remove hose kinks.

  3. Correct the remaining user-serviceable cause

    Reversible

    Check that the drain hose is held in the documented position and is not pushed too far into the standpipe, then clean inlet screens only with both valves closed.

  4. Run one controlled verification

    Reversible

    Restore water and power, run an empty cycle, and confirm water enters without the code. Request service if supply flow is strong and installation is correct but the code returns.

Evidence ledger

Sources behind this answer

Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.

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Samsung SupportSamsung washing machine information and error codes

Official meanings and customer-safe checks for Samsung washer codes and blinking-light patterns.

Exact questions

Common follow-ups

What does 4C, 4E, nF or 1 4C mean on a Samsung washer?+

It means the washer is not filling correctly.

Can I clear 4C, 4E, nF or 1 4C by resetting the washer?+

A restart may clear a stored display only after the underlying condition is corrected. Repeatedly resetting without correcting the cause is not a repair.

When is professional service appropriate?+

Request service if supply flow is strong and installation is correct but the code returns.

Change recordAug. 17, 2026 — Published the exact 4C, 4E, nF or 1 4C meaning, customer-safe checks and service boundary from Samsung Support.
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