Samsung Washers

Error Code dC

The washer door is not properly closed or locked

Moderate

Address soon - your appliance may not work properly

Also displayed as: dC

What This Means

Door hook deformation causing switch contact error; Door pulled by force; Pressure difference from internal temperature changes during hot washes; S/W contact fault because of LID TC 'L' transformation; Door lock switch terminal connected incorrectly or broken; Low insulation of the wiring assembly; Main PCB fault

What actually causes this:

The door was not pushed firmly shut, or clothing got caught in the door seal preventing it from closing

First Thing to Check

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

Parts Involved

Door Lock SwitchMain PBADrain PumpWire Harness

How to Fix

  1. 1

    1. If a dC error occurs, check whether it occurs during the Boil cycle — if the door appears open, close the door

  2. 2

    2. Check if 220V is directly connected to the door — check and repair the power wire connections and insulation state

  3. 3

    3. Check the door switch — door lock switch resistance: Type 1: pins 3 and 5 should be approximately 1000 Ohm +/- 50%; Type 2: pins 2 and 3 should be approximately 155 to 200 Ohm (with slider pushed); Type 3: pins 2 and 3 should be approximately 155 to 200 Ohm (with slider pushed)

  4. 4

    4. Check the main PBA door sensing circuit — replace if faulty

  5. 5

    5. Check the drain pump wire connection

This Error Applies To

Samsung WW25B6900AW Series Washers

Service manual exact match: WW25B6900AW/A2

Need more help with your Samsung washers?