CodeRegistry
Brands
  1. Home
  2. Samsung
  3. Washing Machines
  4. 4C2
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

4C2

4C2 — Cold water supply hose connected incorrectly.

Samsung · Washing Machines

What does 4C2 mean?

This code specifically indicates that the cold water supply hose may be connected to the hot water tap. This can lead to improper washing temperatures and potential damage to laundry.

Common Causes

  • Cold water supply hose is connected to the hot water tap

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the water supply to the washer.

  2. 2

    Carefully disconnect the cold and hot water supply hoses from the taps and the washer.

  3. 3

    Ensure the cold water supply hose is firmly connected to the cold water tap.

  4. 4

    Ensure the hot water supply hose is firmly connected to the hot water tap (if applicable).

  5. 5

    Turn the water supply back on and check for leaks before starting a 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 57)Search more codes in this manual