Diagnostics and Troubleshooting
PS69-DPS
♦
CompactLogix or MicroLogix Platform
Profibus DP Slave Communication Module
ProSoft Technology, Inc.
Page 45 of 94
January 12, 2009
4 Diagnostics
and
Troubleshooting
In This Chapter
Diagnostics (LED) ................................................................. 45
This section describes the possible diagnostics and troubleshooting procedures
for the PS69-DPS Slave module.
4.1 Hardware
Diagnostics
(LED)
The following section contains the LED diagnostic indications and their meaning
for both the CPU in use and the PS69-DPS module.
4.1.1 CompactLogix
The following table shows the possible LED indications of the CompactLogix
CPU module.
Indicator Color/Status Description
Off
No task(s) running; controller in Program mode
RUN
Green
One or more tasks are running; controller is in the Run mode
Off
No forces enabled
Amber Forces
enabled
FORCE
Amber Flashing
One or more input or output addresses have been forced to an On or Off state,
but the forces have not been enabled.
Off
No power applied
Green Controller
OK
Red flashing
Recoverable controller fault
OK
Red
Non-recoverable controller fault:
Cycle power. The OK LED should change to flashing red.
If LED remains solid red, replace the controller.
Off
No activity; no I/O or communications configured
Green
Communicating to all devices
Green flashing
One or more devices not responding
I/O
Red flashing
Not communicating to any devices
controller faulted
