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Error code reference
Samsung Washer Error Code 8CB4
MEMS sensor could be faulty.
SourceSamsung Top-Load Washer - Service Manual: WA50R5200/WA50R5400 Seriesp. 25, 28
Diagnostic procedure
The full 8CB4 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
Replace MEMS PBA if there is external Mems PBA; replace Main PBA if there is no external Mems PBA.
SourceSamsung Top-Load Washer - Service Manual: WA50R5200/WA50R5400 Seriesp. 25, 28
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
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