Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual
Page 94
1785-UM022C-EN-P - February 2008
5-4
Indicator
Color
1
Probable Cause
Recommended Action
Off
Channel disabled
No action required
Configure for ControlNet communication
Steady
Green
Normal operation
No action required
Flashing
Green/Off
Temporary errors
Make sure that the processor is connected to the
ControlNet network with an Allen-Bradley tap.
Check media for broken cables, loose connectors,
missing terminators, etc.
Flashing
Red/Off
Media fault
Make sure that the processor is connected to the
ControlNet network with an Allen-Bradley tap.
Check media for broken cables, loose connectors,
missing terminators, etc.
No other nodes present on network
Add other nodes to the network
Flashing
Red/Green
Incorrect network configuration
Cycle power or reset unit
If fault persists, contact your Rockwell Automation
representative or distributor
1
Definition of terms:
• alternating–the two indicators alternate between the two defined states at the same time (applies to both indicators viewed together);
the two indicators are always in opposite states, out of phase
• flashing–the indicator alternates between the two defined states (applies to each indicator viewed independent of the other); if both
indicators are flashing, they flash together, in phase
• steady–indicator is on continuously in the defined state
A
B
or