Samsung Washers2017–present

Error Code DC3

The small add-door on the front of your washer is not properly closed or locked.

Moderate

Address soon - your appliance may not work properly

Also displayed as: DC3

What This Means

Add door is open; Add door switch, barrier, or lock module movement not operating normally; Open detection switch or barrier lock pillar fault; Main PBA door detection circuit fault; Bending connector

What actually causes this:

The small secondary door on the front of the washer was not pushed fully shut, or its latch is not engaging.

First Thing to Check

Push the small add-door firmly until it clicks shut.

Parts Involved

Add DoorAdd Door Lock ModuleAdd Door SwitchBarrierMain PBA

How to Fix

  1. 1

    1. Close the add door and verify it latches

  2. 2

    2. Check the add door switch — resistance values should display normally when pressing the door switch button

  3. 3

    3. Check barrier and lock module movement for normal operation

  4. 4

    4. Check open detection switch and barrier lock pillars — verify they come down while pressing

  5. 5

    5. Check door lock motor resistance between pins 1-2: should be 46.57 +/- 15 ohm

  6. 6

    6. Check lock stroke — normal detection on protrusion status by checking resistance on pins 3-4 and 3-5

  7. 7

    7. Check main PBA door detection circuit and connector combination

  8. 8

    8. Replace or repair if faulty

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung WF45N5300A Series Washers (2017) (2017–present)

Service manual exact match: WF45N5300AV/USService manual exact match: WF45N5300AF/USService manual exact match: WF45N5300AW/US

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