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Samsung · Washing machine · 4C

Safe checks

The washer detected a water-supply problem.

Diagnostic node4CSAFE-CHECKS
!
Use this as a diagnostic branchConfirm the exact model manual before ordering parts or opening the appliance.

Coverage: Samsung washers that display 4C or 4E; verify model-specific pressure requirements.

GUIDANCE

Safe checks for error 4C

Start only with checks that do not require panel removal or live electrical testing. The verified sequence for 4C begins with: Turn off power before moving the washer.; Confirm the hot and cold supply valves are fully open and the hoses are not kinked.; Turn off the water supply before checking user-serviceable inlet screens described in the manual..

Safe sequence

  1. 1Turn off power before moving the washer.
  2. 2Confirm the hot and cold supply valves are fully open and the hoses are not kinked.
  3. 3Turn off the water supply before checking user-serviceable inlet screens described in the manual.

Stop and get qualified help when

  • A hose is bulging, cracked or leaking
  • Water is near electrical connections
  • The code persists despite normal household water flow
Primary sourceSamsung Support — 4E/4C error ↗Verified 2026-07-17 · manufacturer