1756-6.5.3 - December 1999
12-4 Troubleshooting
Alternating red/off Incorrect node configuration Check network address and other
ControlNet configuration
parameters.
Off Channel disabled Program network for redundant
media, if required.
Steady green Normal operation None.
Flashing green/off Temporary errors None; unit will self-correct.
Node is not configured to go
on line
Make sure the Keeper node is
present and working
.
(1)
Flashing red/off Media fault 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 A-B
representative or distributor.
(1)
The Keeper node is the node responsible for distributing ControlNet configuration data to
all nodes on the network.
Cause Action
and
AB
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