Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers Quick Start - Manual (Page 25)

Publication 1785-QS006C-EN-P - April 2002
Troubleshoot the Processor System 4-3
Use the ControlNet
Status Indicators
The ControlNet status indicators inform you of the operational state
of the ControlNet network.
Indicator Color Description Probable Cause Recommended Action
I/O Off ControlNet I/O not
present or not
operating
Normal operation if
Channel 2 not being
used
No action required
Steady Green All nodes configured
in the ControlNet map
table present and
operating properly
Normal operation No action required
Flashing Green/Off At least one node
configured for the
ControlNet network
not present or not
operating properly
Cable(s) or
connector(s) broken
or not connected
Repair or replace
cable(s) or
connector(s), and
reconnect
Destination
module(s) bad or
missing
Repair or replace
module(s)
Node(s) not on
network
Connect node to
network
Flashing Red/Off All nodes configured
for ControlNet not
present or not
operating properly
Cable(s) or
connector(s) broken
or not connected
Repair or replace
cable(s) or
connector(s), and
reconnect
Nodes not on
network
Connect nodes to
network
I/O
A B