
Troubleshooting startup problems 16-25
System fails to boot completely
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Troubleshooting bootup stages
After each of the following procedures, verify if the system is
now rebooting properly by restarting the system. If these
procedures fail to correct the problem, contact your Nortel
Networks support organization.
Troubleshooting stage
1 or 2 bootup failure
If the terminal output stopped at stage 1 after the message
“Time C tick OK” but before the message “Enabling Instruction
Cache” or in stage 2 during the “BTGA tests...,” follow these
steps.
Stage Procedure
1 or 2 “Troubleshooting stage 1 or 2 bootup failure” on this
page.
3 “Troubleshooting stage 3 bootup failure—disk subsystem
check” on page 16-26.
4 “Troubleshooting stage 4 bootup failure” on page 16-27.
5, 6, or 7 “Troubleshooting stage 5, 6, or 7 bootup failure” on page
16-27.
8 “Troubleshooting stage 8 bootup failure” on page 16-27.
9 “Troubleshooting stage 9 bootup failure” on page 16-28.
10 “Troubleshooting stage 10 bootup failure” on page 16-28.
11 “Troubleshooting stage 11 bootup failure” on page 16-29.
12 Check the SEERs output. Follow the actions suggested
in the
Maintenance Messages (SEERS)
Guide
(NTP 555-7001-510).
Step Action
1 Replace the utility card.
2 Replace the Enhanced MMP40 (or MMP40) card.
3 Check for Meridian Mail power problems as described in
“Preliminary action” on page 16-18, “Resolving DC system
power problems” on page 16-18, “Testing the pedestal power
supply” on page 16-19, “Testing the power harness” on page
16-20, and “Testing the DCEPS” on page 16-21.
4 Verify that all cards in the system are properly seated.
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