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Error code reference
Samsung Washer Error Code dU
The door will not unlock.
SourceSamsung Washer - Use & Care Manual: WA456, WA422, WA400p. 33
Diagnostic procedure
The full dU 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
Make sure the lid is firmly closed. Push the Power button to turn off your washer, then turn it on again. If the code reappears, call for service.
SourceSamsung Washer - Use & Care Manual: WA456, WA422, WA400p. 33
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
1 manual in the MyPros+ library documents this code for Samsung washer.
Models covered by the manuals that document this code
- WA400PJHDWR/AA-0001
- WA400PJHDWR/AA-01
- WA400PJHDWR/AA-02
- WA400PJHDWR/AA-03
- WA400PJHDWR/AA-04
- WA422PRHDWR/AA-00
- WA422PRHDWR/AA-0000
- WA422PRHDWR/AA-0001
- WA422PRHDWR/AA-0002
- WA422PRHDWR/AA-01
- WA422PRHDWR/AA-02
- WA456DRHDSU/AA-00
- WA456DRHDSU/AA-0000
- WA456DRHDSU/AA-0001
- WA456DRHDSU/AA-0002
- WA456DRHDSU/AA-01
- WA456DRHDSU/AA-02
- WA456DRHDSU/AA-03
- WA456DRHDSU/AA-04
- WA456DRHDSU/AA-05
- WA456DRHDWR/AA-00
- WA456DRHDWR/AA-0000
- WA456DRHDWR/AA-0001
- WA456DRHDWR/AA-0002
More models are covered than are listed here.
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