7 - troubleshooting, Module status indicator, Chapter 7 – Rockwell Automation 1747-SDN SLC 500 DeviceNet Scanner Module User Manual User Manual
Page 89: Troubleshooting, Chapter

89
Publication 1747-UM655B-EN-P - June 2007
Chapter
7
Troubleshooting
The 1747-SDN interface module is provided with status diagnostic
indicators on its front panel. The diagnostics provided by these
indicators are described in this chapter.
Module Status Indicator
The bicolor (green/red) Module Status indicator (MODULE) indicates
whether the 1747-SDN module has power and is functioning properly.
Topic
Page
Module
Status
Indicator
Network
Status
Indicator
Top part of module.
If the MODULE indicator is
Then
Take this action
Off
There is no power applied to the module.
Verify power connections and apply power.
Green
The module is operating normally.
No action required.
Flashing Green
The module is not configured.
Configure the module.
Flashing Red
There is an invalid configuration.
Check configuration setup.
Red
The module has an unrecoverable fault.
Replace the module.
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