Error code reference

Samsung Washer Error Code DC1

Door check error caused by incorrectly connected door lock switch terminal, broken door lock switch terminal, electric wire leakage, or main PCB fault. Also occurs if door is pushed due to pressure difference from internal temperature changes during boil wash.

SourceSamsung Top-Load Washer - Full Service Manual (WA52J8700AP/AW)p. 21, 25-26

Diagnostic procedure

The full DC1 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 whether the door lock switch unit is inserted and not damaged.

SourceSamsung Top-Load Washer - Full Service Manual (WA52J8700AP/AW)p. 21, 25-26

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