Allen-Bradley ControlNet PLC-5 User Manual page 96

5-4 Monitoring and Troubleshooting Your ControlNet System
Indicator
or
A
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
1785-UM022B-EN-P - February 2002
1
Probable Cause
Color
Off Channel disabled
B
Steady Normal operation
Green
Flashing Temporary errors
Green/Off
Flashing Media fault
Red/Off
No other nodes present on network
Flashing Incorrect network configuration
Red/Green
Recommended Action
No action required
Configure for ControlNet communication
No action required
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.
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.
Add other nodes to the network
Cycle power or reset unit
If fault persists, contact your Rockwell Automation
representative or distributor