
Troubleshooting startup problems 14-11
Normal startup sequence
Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999
Disk errors on startup—device sense
key or driver errors.
Refer to the procedures “Troubleshooting stage 3
startup failure” on page 14-17 and “Troubleshooting
stage 4 startup failure” on page 14-17. Also refer to
the “Disk subsystem check” topic on page 14-20.
All nodes time-out while starting up, or
nodes unload while in service.
• Perform the system bus checks. Follow the
system bus diagnostics in this chapter.
• Perform BootROM diagnostic check procedures
for the node.
Only one node comes up. Perform the system bus checks. Follow the system
bus diagnostics in this chapter.
Logon screen appears, but link status is
not InService.
See the “AML link problems” on page 15-6 in
Chapter 17, “Troubleshooting operational problems.”
One node will not come up. Perform BootROM diagnostic check procedure for
the node.
Hexadecimal display on Enhanced
MMP40 or MMP40 card shows B.
Indicates node is in-service standby. Minor software
error. Contact your Nortel support organization.
Hexadecimal display on Enhanced
MMP40 or MMP40card shows C.
Indicates node is out of service. Enable the node from
the MMI as described in the System Administration
Guide (NTP 555-7001-301).
Hexadecimal display on Enhanced
MMP40 or MMP40 card shows D.
Indicates in-service trouble.
While the Enhanced MMP40 or MMP40 card is still
healthy, a component such as a VP card or a disk may
be faulty. Check the VP cards for that node. Refer to
the procedures “Troubleshooting stage 3 startup
failure” and “Troubleshooting stage 4 startup failure”
on page 14-17. Also refer to the “Disk subsystem
check” topic on page 14-20.
Blinking dot (during states “1” and
later) has stopped blinking.
Indicates a potential software problem or faulty
display.
Note the state at which the dot stopped blinking, and
whether the system is running normally. Restart the
system and observe the display. If the pattern persists,
contact your Nortel support organization.
Hexadecimal display on Enhanced
MMP40 or MMP40 card flashes
continually.
Indicates a faulty Enhanced MMP40 card.
• Note the state at which the display began
flashing.
• Replace the Enhanced MMP40 or MMP40 card.
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