Samsung Washers2017–present

Error Code DC3

The small add-door on the washer isn't closing properly

Moderate

Address soon - your appliance may not work properly

Also displayed as: DC3

What This Means

Add door is opened and needs to be closed; Add door switch, barrier, or lock module not operating normally; Main PBA fault; Bending connector

What actually causes this:

The add door (the small door for adding clothes mid-cycle) wasn't closed all the way

First Thing to Check

Push the small add door firmly until it clicks shut

Parts Involved

Add Door SwitchLock ModuleDoor Lock MotorMain PBA

How to Fix

  1. 1

    1. Close the add door

  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 operates normally

  4. 4

    4. Check open detection switch and barrier lock pillars coming down while pressing — verify normal operation

  5. 5

    5. Check door lock motor resistance: pins 1-2 should be 46.57 plus or minus 15 ohm

  6. 6

    6. Check lock stroke — normal detection on protrusion status (pins 3-4 and 3-5 should show normal resistance)

  7. 7

    7. Check main PBA door detection circuit and connector combination

  8. 8

    8. Replace or repair if faulty

This Error Applies To

Samsung WF45M5 Series Washers (2017) (2017–present)

Service manual exact match: WF45M5500AP/A5Service manual exact match: WF45M5500AW/A5Service manual exact match: WF45M5500AZ/A5Service manual exact match: WF45M5100AW/A5

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