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Error code reference
Samsung Dishwasher Error Code dW
Door open warning - When door is open during washing period.
SourceSamsung Dishwasher - Tech Sheet: Troubleshooting & Service (DMT400 Series)p. 5
Diagnostic procedure
The full dW 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 that door is closed properly. Possible defect: Door lock switch, Main PBA.
SourceSamsung Dishwasher - Tech Sheet: Troubleshooting & Service (DMT400 Series)p. 5
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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Where this code is documented
3 manuals in the MyPros+ library document this code for Samsung dishwasher.
Models covered by the manuals that document this code
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