Samsung WF405ATPASU/A2 Service Manual page 24

error Type For USA
8E1
Mems PBA error
8E2
Detected
SF1
System error SF2
SF3
22 _ Troubleshooting
- Error detected in the Mems PBA or data error detected. Check
the wire connections.
Replace if necessary.
1. Check the wire connections.
2. Replace the Mems PBA.
8E
- Micro Controller Operation Fail.
Causes Remarks
Replace Assy PCB.