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Network Events
Error Message
Network Card Missing On
Network NodeXX Channel Y Failure
On
NXX Bad Style or Node Number On
Token Not Received On CH. Y On
August 2013
Table 5-6. Network Events
Probable Cause
The control unit does not recognize
its NIC.
The networked system has lost
communications with Node XX via
Channel Y
Node XX is not configured properly
Network communications problems
or the node reporting this message is
not active on the network
5-22
Corrective Action
• Check connection of NIC to main
printed circuit board Header J5.
See Figure 1-8 and Section 2-17.
• Check wiring to NIC in Node XX.
See Section 2-17. Ensure that
network wiring is daisy-chained
and not T-Tapped.
• Check network wiring for excess
resistance or capacitance.
• Check connection of NIC to main
printed circuit board Header J5.
See Figure 1-8 and Section 2-17.
• Review network settings in
applications program. Correct
parameters via the control-unit
menu options or re-upload
corrected configuration again to
Node XX. Perform either of these
operations at Node XX
• Review network settings in
applications program. Correct
parameters via the control-unit
menu options or re-upload
corrected configuration again to
Node XX. Perform either of these
operations at Node XX.
• Check wiring to NIC in node
reporting the fault. See
Section 2-17. Ensure that network
wiring is daisy-chained and not
T-Tapped.
• Check network wiring for excess
resistance or capacitance.
• Check connection of NIC to main
printed circuit board Header J5.
See Figure 1-8 and Section 2-17.
• Review network settings and
required interactions among
control units in the applications
program. Make any necessary
corrections and re-upload
configurations again to all effected
nodes.
P/N 06-236530-001
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