August 2013 5-22 P/N 06-236530-001
Table 5-6. Network Events
Network Events
Error Message Probable Cause Corrective Action
Network Card Missing On The control unit does not recognize
its NIC.
• Check connection of NIC to main
printed circuit board Header J5.
See Figure 1-8 and Section 2-17.
Network NodeXX Channel Y Failure
On
The networked system has lost
communications with Node XX via
Channel Y
• 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
NXX Bad Style or Node Number On Node XX is not configured properly • 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.
Toke n Not Rece ived O n CH. Y On Network communications problems
or the node reporting this message is
not active on the network
• 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.
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