How to Fix 4C, 4E, NF, NF1 Errors on Samsung Washers

Last Update date : Oct 22. 2026
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How to Fix Samsung Washing Machine 4C, 4E, NF, or NF1 Error Codes

If your Samsung washing machine displays a 4C, 4E, NF, or NF1 error code, it means the machine isn't filling with enough water to start a cycle. These errors often stem from issues with water supply hoses, clogged filters, or improper connections. Follow these steps to resolve the problem.

1. Why Does My Samsung Washing Machine Show 4C, 4E, NF, or NF1 Errors?

These error codes indicate insufficient water inflow during the wash cycle. Common causes include:

- Clogged mesh filter screens in the water supply hoses

- Kinked, damaged, or improperly connected water supply hoses

- Loose or incorrectly installed drain hoses

- Dirty dispenser drawers affecting water flow

2. How to Resolve 4C, 4E, NF, or NF1 Error Codes

  1. Turn off the water supply and disconnect the water supply hoses from the washing machine. Clean the mesh filter screens gently using a toothbrush or similar tool to remove debris.
  2. Inspect the water supply hoses for kinks, clogs, or damage. Ensure they are free of obstructions and properly connected.
  3. Reconnect the water supply hoses, making sure the hot and cold hoses are attached to the correct inlets on the washing machine. Turn on the water supply fully for both lines.
  4. Check the drain hose to ensure it is securely inserted and not loose. A poorly installed drain hose can cause water flow issues.
  5. Ensure the drain hose is inserted no more than 6 inches into the drainpipe and does not form an airtight seal.
  6. Clean the dispenser drawer thoroughly if it appears dirty or clogged, as residue can restrict water flow.
  7. For top-load washing machines not showing 4E or 4C errors but struggling with water levels, use the Deep Wash or Deep Fill cycle to add more water manually.
  8. If the error persists after these steps, contact Samsung Support for professional assistance.

3. Additional Things to Check

Before contacting support, verify the following:

- Ensure the water supply valves are fully open and not restricted.

- Check for any visible leaks or damage to the hoses and replace them if necessary.

- Do not use Flood Safe hoses, as they are incompatible with Samsung washing machines.

4. Supported Samsung Washing Machine Models

These troubleshooting steps apply to most Samsung washing machine models, including:

- Front-load washing machines

- Top-load washing machines

- Compact and large-capacity models

5. When Updates or Repairs May Not Appear

If the error persists despite following these steps, it may indicate a deeper issue such as a faulty water inlet valve or internal wiring problem. In such cases, professional repair is recommended.

Related Samsung Support Topics

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