Rockwell Automation 1756-CN2_CN2R, Series B ControlLogix ControlNet Interface Module - Manual (Page 17)

ControlLogix ControlNet Interface Module 17
Publication 1756-IN607A-EN-P - February 2008
Use this flowchart as a guide.
Turn the chassis
power supply on.
Module status
indicator red? See Status Indicators
on page 22.
Module performs a
self-test
initialization.
No
Yes
TEST
No
Yes
Module status
indicator red?
Self-test has failed, and
the module displays an
error message. See
pages 23...29.
Replace the
module.
Self-test is complete.
The status indicator
flashes green.
Channel A and B
status indicators
alternately flash.
Channel A and B status
indicators display the
network condition as
listed on page 29.
Module status
displays OK?
No
See the troubleshooting
table on page 23.
Yes
Module is functional
and operating.
OK
A#xx