Error code reference

Samsung Washer Error Code dE

Door error caused by door hook deformation, door pulled by force, or pressure difference from internal temperature changes during Boil wash preventing door from opening after door open operation.

SourceSamsung Washer - Full Service Manual: WF42H5400AF/AW, WF42H5500AFp. 21, 25

Diagnostic procedure

The full dE 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 is properly closed; check for door hook deformation.

SourceSamsung Washer - Full Service Manual: WF42H5400AF/AW, WF42H5500AFp. 21, 25

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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