Samsung WA7750M Service Manual page 26

Check Type For USA
8CA2
Set Position
may be Faulty
8CB2
8CA3
8CB3
Mems Sensor
Could be Faulty
8CA4
8CB4
Clutch Sensing PC1
SF1
System Check SF2
SF3
24 _ Troubleshooting
- Check the Washer is in horizontal Level.
Replace If necessary
1. Replace the Mems PBA
2. Replace the Main PBA
- Replace MEMS PBA if there is External Mems PBA Replace
- Main PBA if there is no External Mems PBA
- Clutch error was determined, after movement of clutch occur
red.
- Micro Controller Operation Fail.
Causes Remarks
Replace Assy PCB.