Rockwell Automation 1788-CNFR ControlNet Daughtercard Installation Instructions - Manual (Page 15)

ControlNet Daughtercard 15
Publication 1788-IN005A-EN-P - March 2001
Table 2: Network Status Indicators
Indicator Color Probable Cause Recommended Action
A or B
(viewed
separately)
Off Channel disabled Program network for redundant media, if required.
Steady
Green
Normal operation No action is required.
Flashing
Green/Off
Temporary network errors None, unit will self-correct.
Node is not configured to
go on line Make sure the configuration keeper node is present
and working.
Flashing
Red/Off
Media fault
Check media for broken cables, loose connectors,
missing terminators, etc.
If condition persists, refer to ContolNet Cable
Planning and Installation Manual, publication
1786-6.2.1.
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.
A and B
(viewed
together)
Off
See the MS indicator for
additional information
No action is required or apply power.
Steady Red Faulted unit
Cycle power or reset unit. If fault persists, contact
your Rockwell Automation representative or
distributor.
Alternating
Red/Green
Self-test No action is required.
Alternating
Red/Off Incorrect node
configuration Check network address and other ControlNet
configuration parameters.