Rockwell Automation 1336-GM1 Remote I/O Communications Module - Manual (Page 61)

Chapter
6
Troubleshooting
Chapter Objectives Chapter 6 provides information about the LEDs on the Remote I/O
modules. It also provides basic troubleshooting procedures. In this
chapter, you will read about the following:
• Locating the LEDs.
• Using the LEDs to troubleshoot.
LEDs on the Remote I/O
Communications Module Figure 6.1
LED Status Indicators
1336-GM1 Board
1203-GD1 Module and
1203-GK1 Module
5
3
2
1
4
1
2
3
4
5
DS
3
DS
4
DS
5
DS
2
DS
1
Number LED Color
1 Fault Red
2 SCANport STS Green
➀
3 Health Green ➀
4 Rem I/O ACT Green ➀
5 Rem I/O STS Green
➀ Early versions of Remote I/O modules may use amber LEDs instead of green.