Samsung WA48H7400AW Service Manual page 24

Check Type for uSA
foaming
SUD
Detected
8C1
Mems PBA
8C2
Check Detected
8C
Clutch motor PC
Clutch sensor PC1
SF1
System Check SF2
SF3
22 _ Troubleshooting
- This occurs when too much foaming is detected. It is also
displayed while foaming is removed. When the removal is
finished, the normal cycle proceeds.
"Sud" or "SUdS" is displayed when too much foaming is
detected and "End" is displayed when the removal of the
foaming is finished.
(This is one of the normal operations. It is an Check for
preventing non-sensing faults.)
- Check detected in the Mems PBA or data Check detected.
Check the wire connections.
Replace if necessary.
1. Check the wire connections.
2. Replace the Mems PBA.
3. Main PBA wire connection Check or PBA's silver nano part
malfunction. Replace if necessary.
- When position of the clutch can't be detected.
- After position of the clutch is detected, if the signal of the clutch
hall goes wrong, occurs error.
- Micro Controller Operation Fail.
Causes Remarks
Replace Assy PCB.