Rockwell Automation 1785-L20C_L40C QUICK START CONTROLNET PLC-5 - Manual (Page 23)

4–3 Troubleshoot the Processor System
Publication 1785-10.7 – October 1997
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
ontrol et net or not
Cable(s) or connector(s)
broken or not connected Repair or replace cable(s) or
connector(s), and reconnect
reen O con i ure or t e
ControlNet network not
present or not
o eratin ro erl
Destination module(s) bad
or missing Repair or replace module(s)
operating properly
Node(s) not on network Connect node to network
Flashing
Red/Off All nodes configured
for ControlNet not
re ent or not
Cable(s) or connector(s)
broken or not connected Repair or replace cable(s) or
connector(s), and reconnect
present or not
operating properly
Nodes not on network Connect nodes to network
I/O
A B
Using the ControlNet
Status Indicators