Error Code dC1

Your washer's door lock mechanism is not working correctly.

Also displayed as: dC1

What This Means

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

First Thing to Check

Parts Involved

How to Fix

1. 1

   1. Press the power key to turn off display and remove power cord from outlet

2. 2

   2. Check the door lock switch connector — Motor: No 1 & 2, Lock: No 3 & 4, Unlock: No 4 & 6

3. 3

   3. Check wiring: Motor PBA(CN801) No 17 & 19, Lock PBA(CN801) No 21 & 23, Unlock PBA(CN801) No 23 & 25

4. 4

   4. Measure Door Lock SW (Motor) resistance: BLK(1) & BRN(2) terminal — Motor resistance approx. 33-46 ohms

5. 5

   5. Measure Door Lock SW (Lock) resistance: WHT(4) & RED(3) terminal — Lock switch resistance approx. 0.2 ohms

6. 6

   6. Measure Door Lock SW (Unlock) resistance: WHT(4) & BLU(6) terminal — Lock switch resistance approx. 0.2 ohms

7. 7

   7. If the main PCB is defective, replace it

This Error Applies To

Samsung WA50R5400A Series Washers (2022) (2022–present)