Sam4s ER-390 SERIES Service Manual page 50

8 Troubleshooting
8-6 Drawer and Spool Motor Problem
Drawer Problem
Drawer Open
Failure ?
N
Compulsory
Failure?
N
End
Spool Motor
Problem
Spool Motor
Ok?
Y
End
8-6
Y
Y
N
1. Check the Drawer Connector & Harness.
2. Check the related circuit & Component KSD288 (Q1)
MMBT2222A(Q5) on Main Board..
3. Check the Solenoid in the Drawer.
1. Check the Compulsory Harness & Connector.
2. Check the Micro switch in the Drawer.
1. Check the Spool Motor Signal CPU P1.4
2. Check the Harness
3. Check the related Circuit and Pattern on Main Board.
SAM4S ER-390 SERIES