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Error code reference
Samsung Washer Error Code Hot LED Flash
Door code - door is not locked after door close operation; door lock switch terminal connected incorrectly or broken; main PCB fault.
SourceSamsung WA40J3000A - Top-Load Washer Service Manualp. 20-24
Diagnostic procedure
The full Hot LED Flash 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 door lock switch unit is inserted; check whether door lock switch unit is damaged; check disconnection of wire.
SourceSamsung WA40J3000A - Top-Load Washer Service Manualp. 20-24
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
5 manuals in the MyPros+ library document this code for Samsung washer.
Models covered by the manuals that document this code
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