Samsung Washers2018–present

Error Code dC

The washer thinks the door is open or cannot lock it.

Moderate

Address soon - your appliance may not work properly

Also displayed as: dC

What This Means

Switch contact error from deformation of door hook; Door pulled open by force; Door pushed open during Boil wash due to pressure difference from internal temperature changes; S/W contact fault from LID TC 'L' transformation; Door lock switch terminal connected incorrectly; Door lock switch terminal broken; Intermittent electric wire leakage; Main PCB fault

What actually causes this:

The door is not fully closed or latched, something is caught in the door seal preventing it from closing, or the door latch is worn out.

First Thing to Check

Open the door, check that no laundry is caught in the door seal, then close the door firmly until you hear it click.

Parts Involved

Door Lock SwitchDoor HookMain PBA (Assy Kit)Drain Pump

How to Fix

  1. 1

    1. Check if error occurs during Boil cycle — if door is detected open, close the door

  2. 2

    2. Check door lock switch: Type 1 — resistance of pins 3 and 5 must be approximately 1000 Ohm +/-50%

  3. 3

    3. Check door lock switch: Type 2 — resistance of pins 2 and 3 must be approximately 155-200 Ohm (with slider pushed in)

  4. 4

    4. Check that 220V is not directly connected to door — verify power wire connections and insulation state

  5. 5

    5. Check door switch — replace if faulty

  6. 6

    6. Check main PBA door sensing circuit — replace if faulty

  7. 7

    7. Check drain pump wire connection

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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