Rockwell Automation 1756-IH16ISOE ControlLogix Sequence of Events Module - Manual (Page 107)

1 Publication 1756-UM528A-EN-P - April 2004
Chapter
8
Troubleshooting the Sequence of
Events Module
What This Chapter
Contains This chapter describes how to troubleshoot the Sequence of
Events module.
Using LED Status
Indicators Your Sequence of Events module has yellow indicators that show
individual I/O state and a bi-colored (red/green) indicator that
shows module status with an “OK”. Status indicators are located on
the front of the module. The LED status indicators used on the
Sequence of Events module are shown in Figure 8.1.
Figure 8.1
During power up, an indicator test is done and the following occurs:
• "OK" indicator turns red for 1 second and then turns to flashing
green if it has passed the self-test.
• I/O status indicators turn ON for a maximum of 2 seconds and
then turn OFF.
Table 8.1
For information on: See page:
Using LED Status Indicators 8-1
Using RSLogix 5000 To Troubleshoot the Module 8-2
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