TROUBLESHOOTING
INTRODUCTION
5 - 4
I-E96-203C
Elsag Bailey
Process A utom ation
Figure 5-1. MFP Troubleshooting Flowchart (Serial Port)
INSTALL MPI
MODULE
START
RS-232-C
LINE ERRORS
ON MFP LEDs
(CODE 15)?
YES
YES
YES
YES
NO
NO
NO
NO
F1
OPEN ON
TU/TM?
REPLACE F1
W ITH 1.0 A
250 V FUSE
+24 VDC
CONNECTED TO
TU/TM?
MEASURE
24 VDC AT
TU/TM?
TYPE
OF
TERMINATION
NIMP01
NIMP02
NTMP01
NKMR02
CABLE CONNECTS
TM (P5 OR P6) TO
COMPUTER?
YES
NO
REPLACE CABLE
W ITH NKMR02
RS-232-C
CABLE W ITH NO
CROSSOVERS CONNECT
TU (P5 OR P6) TO
COMPUTER?
YES
NO
REPLACE CABLE W ITH
CABLE HAVING STRAIGHT
PIN TO PIN CONNECTION
BETW EEN DB-25
CONNECTORS
HANDSHAKE
JUMPER SETTINGS MATCH
APPLICATION?
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
TU/TM
CABLE INSTALLED
AND CONNECTED TO
MFP P3?
MPI
MODULE INSTALLED
CORRECTLY?
RIBBON
CABLE FROM
MFP (P5) TO
MPI (P6)?
RS-232-C
LINE ERRORS
ON MFP LEDs
(CODE 15)?
CONTACT BAILEY
TECHNICAL
SUPPORT
DONE
INSTALL
RIBBON CABLE
INSTALL TU/TM
CABLE
SET JUMPERS
FOR APPLICATION
CHECK POW ER
CABLING TO TU/TM.
CHECK POW ER
SYSTEM.
REFER TO TMP/IMP
INSTRUCTIONS TO
CONNECT POW ER
DONE
TP21171A