RRepairGraph
Samsung · Washing machine · 4C

Pump-filter checks

The washer detected a water-supply problem.

Diagnostic node4CFILTER-CHECK
!
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

Pump-filter checks for error 4C

Pump-filter checks can help narrow the context of Samsung 4C, but this page does not claim that the named system is the failed component. Begin with the manufacturer meaning — The washer detected a water-supply problem. — then complete only accessible checks: 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