Error code reference

Samsung Washer Error Code dL

Door error (during operation)-door opened after starting operation, door pushed due to pressure difference from internal temperature changes during Boil wash, door lock switch terminal connected incorrectly or broken, or main PCB fault.

SourceSamsung Washer - Error Codes & Troubleshooting Guide (WF221ANS)p. 25, 31

Diagnostic procedure

The full dL 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 220V power wire connections and insulation state to the door.

SourceSamsung Washer - Error Codes & Troubleshooting Guide (WF221ANS)p. 25, 31

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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