Installation Instructions

14 ControlNet Adapter Module
Publication 1747-IN017C-EN-P - May 2001
Troubleshooting With the Status Indicators and Status Display
The module has indicators on the front panel as shown below. These indicators
consist of:
• health indicators
• status indicators
• display of status and address
Use these indicators to troubleshoot the module.
The following tables describe how to use the indicators to troubleshoot your
module.
Health Indicators and Display Mnemonics
OK LED Display Description Probable Cause Recommended Action
Off None Module is not
communicating.
Power supply fault. Check power supply, and
seat adapter firmly in
chassis.
Off None Module is not
communicating.
Defective adapter. Replace adapter.
Off POST Adapter is running
Power On Self Test.
None None
Amber 0000 through
9999
Adapter is running
Power On Self Test.
None None
Amber A/A Adapter is
displaying Series
and Revision level.
None None
ADDRESS/STATUS
ADDRESS/STATUS
B
A
A
A
A
B
OK OK
Status Display and Net
Address
Health Indicators ControlNet
Status Indicators
1747-ACN15
1747-ACNR15