Sam4s ER-5100? SERIES - 6-6 Drawer & Serial I;F Problem

6. Troubleshooting
6-6 SAM4S ER-5100II SERIES
Drawer Problem
Drawer Open
Failure ?
Y
N
1. Check the Drawer Connector & Harness.
2. Check the related circuit & Component STA471(Q15)
3. Check the Solenoid in the Drawer.
Compulsory
Failure?
1. Check the Compulsory Harness & Connector.
2. Check the Micro switch in the Drawer.
N
Y
End
6-6 Drawer & Serial I/F Problem
End
RS-232C Problem
Loop Back
Failure?
Y
N
1. Perform the “SELF TEST” in the S-MODE using the Loop
Back test Connector.
2. Check the connection of the RS-232C Connector and Loop
Back Connector.
3. Check the TXD,RXD, DTR, DSR Pin on CPU.
4. Check the MAX232 Driving Chip and related Circuit on
MAIN PBA.
Communication
Failure?
1. Check the connection of the RS-232C and Other side.
2. Check the I/F Cable whether it is open or short.
3. Check whether Signal is affected by the Cable Noise.
N
H/W Handshake
Ok?
Y
Y
1. Check the connection of the H/W handshaking Line and Other
side
2. Check the I/F Cable whether it is open or short.
3. Confirm the H/W handshaking Protocol.
N