Digital Equipment DEC 3000 600 AXP, Service Information

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Troubleshooting Tables
Table 10–14 (Cont.) Network Problems
Symptom Possible Cause Corrective Action
Ethernet setting in
console is wrong. You may have a 10BASET cable
plugged in, but the Ethernet is
set to THICK.
A cable is loose. Secure all cable connections on
the Ethernet segment.
The system cannot boot
from the network. Local network is faulty.
The problem is most
likely caused by the
server system or the
network. Contact your system manager.
Defective NI interface. Run the NI diagnostics (TEST
NI command) with terminators
attached. If a test fails, replace
the faulty FRU.
Audio
Problems To isolate audio problems, run the ISDN diagnostics service
mode (for extended testing capabilities). See Chapter 9.
Console
Security
Problems
To isolate console security problems, see Chapter 7 for procedures
to:
• Enable console security.
• Reset the console password.
• Enter the privileged state.
Firmware
Upgrade
Problems Table 10–15 describes problems when trying to upgrade the flash
EEPROMs.
10–17