Samsung Washers2024–present

Error Code DC1

The door lock mechanism is not engaging properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: DC1

What This Means

Door lock switch terminal connected incorrectly; Door lock switch terminal broken; Intermittent electric wire leakage; Main PCB fault

What actually causes this:

The door latch mechanism is worn out or the wiring to it is damaged

First Thing to Check

Try closing the door firmly — if you don't hear the lock click, the latch may be broken

Parts Involved

Door Lock SwitchMain PBAWire Harness

How to Fix

  1. 1

    1. Check the door lock switch terminal connections

  2. 2

    2. Measure door switch resistance — pins 2 and 3 should be approximately 60-90 Ohm (when slider is pushed)

  3. 3

    3. Check for damaged or frayed wires causing leakage

  4. 4

    4. Check main PBA door sensing circuit

  5. 5

    5. Replace door lock switch or main PBA if faulty

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WF45A6400A Series Washers (2024) (2024–present)

Service manual exact match: WF45A6400AV/USService manual exact match: WF45A6400AW/USService manual exact match: WF45A6400AC/USService manual exact match: WF22C6400AV/AXService manual exact match: WF22C6400AW/AXService manual exact match: WF22C6400AP/CO

Need more help with your Samsung washers?