Error code reference

Samsung Washer Error Code DC3

Add door lock switch fault; the add door lock switch terminal is connected incorrectly, broken, or there is intermittent electric wire leakage; or main PCB fault.

SourceSamsung WF50K7500 Washing Machine - Service Manualp. 26, 28, 34

Diagnostic procedure

The full DC3 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check the Add Door Lock operation; if Add Door Lock cannot operate, replace it; if it operates well, check assembly of wire harness and PBA.

SourceSamsung WF50K7500 Washing Machine - Service Manualp. 26, 28, 34

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock DC3 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax