Samsung Washers2017–present

Error Code DC1

Your washer's door lock mechanism has a hardware fault.

Moderate

Address soon - your appliance may not work properly

Also displayed as: DC1

What This Means

Door lock switch terminal is broken; Intermittent electric wire leakage; Main PCB fault

What actually causes this:

The electronic door latch inside the washer has worn out or its wiring has developed a fault.

First Thing to Check

Unplug the washer for 2 minutes, plug it back in, and try closing the door again.

Parts Involved

Door Lock SwitchMain PBAWire Harness

How to Fix

  1. 1

    1. Check the door switch resistance — pins 1 and 3 should read approximately 175 ohm

  2. 2

    2. Inspect the door lock switch terminals for physical damage

  3. 3

    3. Check wiring for intermittent leakage or loose connections

  4. 4

    4. Check the main PBA door sensing circuit

  5. 5

    5. Replace the door switch if faulty, or replace the main PBA if the sensing circuit is 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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