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Error code reference
Samsung Washer Error Code 9C6
AC power misconnection - occurs when AC input voltage between L1 and L2 is less than 160V for 2 minutes, or PBA defect.
SourceSamsung WD90F Laundry Combo - Service Manualp. 66
Diagnostic procedure
The full 9C6 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 PCB and wire harness; check if the electrical outlet is working properly; check the connection between the power terminal block and the power line; verify voltage between L1 and L2 in the terminal block.
SourceSamsung WD90F Laundry Combo - Service Manualp. 66
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
75,000+ service documents · 20,000+ error codes · 100+ brands
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