RRepairGraph
Samsung · Washing machine · SUD

Door and lock checks

The washer detected excessive suds.

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

Coverage: Samsung washers using the listed over-sudsing displays.

GUIDANCE

Door and lock checks for error SUD

Door and lock checks can help narrow the context of Samsung SUD, but this page does not claim that the named system is the failed component. Begin with the manufacturer meaning — The washer detected excessive suds. — then complete only accessible checks: Allow the washer to complete its automatic suds-reduction pause.; Use only the detergent type specified in the model manual.; Reduce the dose for concentrated detergent and future small loads..

Safe sequence

  1. 1Allow the washer to complete its automatic suds-reduction pause.
  2. 2Use only the detergent type specified in the model manual.
  3. 3Reduce the dose for concentrated detergent and future small loads.

Stop and get qualified help when

  • Foam or water leaks from the appliance
  • The code persists with correct detergent and dosage
Primary sourceSamsung USA — washer error codes ↗Verified 2026-07-17 · manufacturer