Allen-Bradley 1203 Series - Troubleshooting; Chapter Objectives; Module LEDs Overview

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
DS3
DS4
DS5
DS2DS1
Number LED Color
1Fault Red
2 SCANport STS Green
➀
3Health 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.
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