Technical data

Table C–1 (Cont.) Symptoms, Causes, and Corrective Action
Symptom Possible Cause Corrective Action
Network Problems
NI error message is
displayed when verifying
Ethernet.
No ThinWire or
thickwire terminator
or cable was installed.
Attach a ThinWire or standard Ethernet
terminator.
Network switch is not
set properly.
Verify that the network switch is set
to network connector with cable or
terminator.
Terminator is missing
from network.
Check by replacing cable with a
terminator. If problem is corrected, then
check the network segment for missing
terminators.
Cable connection is
loose.
Check that all connections on the Ethernet
segment are secure.
Power supply failure. Replace the power supply.
Diagnostic LED lights
7,4,3, and 0 are on.
T-connector is
disconnected.
Make sure that the T-connector is
disconnected to an operating ThinWire
Ethernet segment.
Cannot boot from the
network.
Local network problem. Problem is most likely caused by the
customer server system or the network.
Defective NI interface. Run diagnostics (TEST NI command) with
terminators attached. Replace faulty FRU
if test fails.
Audio Problems (Model 60 Only)
No audio tone (beep)
when the system is
turned on.
Speaker is turned off. Turn on speaker (switch in down position)
using the switch located on the front of
the Model 60 system box.
Audio speaker is not
working.
Turn off the system. Plug in the headset
and turn the system on. If you hear an
audio tone from the headset, then there is
a problem with the speaker. Replace the
lights and switches module.
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C–8 Troubleshooting