Samsung Washers2024–present

Error Code dC1

The washer door won't lock properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: dC1

What This Means

Door lock switch unit not inserted; Door lock switch unit damaged; Wire disconnected; Door lock switch defective; Main PCB defective

What actually causes this:

The door latch mechanism is worn out or a wire came loose

First Thing to Check

Try closing the lid firmly and make sure nothing is blocking it

Parts Involved

Door Lock SwitchMain PCB

How to Fix

  1. 1

    1. Check whether the door lock switch unit is inserted

  2. 2

    2. Check whether the door lock switch unit is damaged

  3. 3

    3. Check disconnection of the wire

  4. 4

    4. Check motor resistance (Black-Brown Wire): 33Ω to 46Ω

  5. 5

    5. Check lock/unlock contact resistance (Lock White-Red Wire, Unlock White-Blue Wire): approx 0.2Ω

  6. 6

    6. If door lock switch is defective, replace it

  7. 7

    7. If main PCB is defective, replace it

This Error Applies To

Samsung WA44A3405AW Series Washers (2024) (2024–present)

Service manual exact match: WA44A3405AW/A4

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