Samsung Washers2018–present

Error Code DC3

The Add Door's locking mechanism cannot engage.

Moderate

Address soon - your appliance may not work properly

Also displayed as: DC3

What This Means

Add door lock switch fault; Add door lock mechanism cannot operate; Wire harness assembly fault; Main PCB fault

What actually causes this:

The latch mechanism on the small Add Door has worn out or jammed and cannot lock into place.

First Thing to Check

Try opening the Add Door fully and then closing it firmly to see if the latch catches.

Parts Involved

Add Door Lock SwitchAdd Door Lock ModuleMain PBA (Assy Kit)Wire Harness

How to Fix

  1. 1

    1. Check the Add Door Lock — verify it can operate

  2. 2

    2. If Add Door Lock cannot operate, replace the Add Door Lock

  3. 3

    3. If lock operates normally, check assembly of wire harness and PBA

  4. 4

    4. Check door lock motor resistance: pins 1-2 = 46.57 +/-15 Ohm

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WW22N6850QX Series Washers (2018) (2018–present)

Service manual exact match: WW22N6850QX/A2

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