Samsung WA48H7400AP Service Manual page 24

Error Type For USA
8C1
Mems PBA Error
8C2
Detected
8C
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.
3. Main PBA wire connection error or PBA's silver nano part
malfunction. Replace if necessary.
- Micro Controller Operation Fail.
Causes Remarks
Replace Assy PCB.