NEC IP8800/S6300 User Manual
2.
Troubleshooting System Failures
15
2.2
Troubleshooting for IP8800/S3600 and IP8800/
S2400
S2400
2.2.1
Troubleshooting Procedure on System Failures
Follow the procedure below when the system failed.
Table 2-3: Troubleshooting System Failures
No.
Failure
Action
1
• Fume generated from the system
• Unusual odor occurs from the system
• Unusual sound occurs from the system
• Unusual odor occurs from the system
• Unusual sound occurs from the system
Execute the steps below immediately.
1. Power off the system.
2. Remove the power cable of the system.
After the above steps, replace the system.
1. Power off the system.
2. Remove the power cable of the system.
After the above steps, replace the system.
2
login prompt is not displayed
1. When MC is inserted, first remove the MC then reboot the system by
turning it off and on.
2. When MC is not inserted, reboot the system by turning it off and on.
3. If the same problem still persists after system reboot, replace the
3. If the same problem still persists after system reboot, replace the
system.
3
PWR LED on the system is OFF
Follow the steps below to take the action.
1. Follow the steps in "
1. Follow the steps in "
"
2. For the redundant power model, replace the power supply that has
failed. The faulty power supply is in one of the states below.
(a) POWER LED is off.
(b) ALM1 LED is lit in red.
(c) ALM2 LED is lit in red.
(a) POWER LED is off.
(b) ALM1 LED is lit in red.
(c) ALM2 LED is lit in red.
3. If 1 and 2 are not applicable, restart the system and confirm that the
environment is free from troubles.
(1) Turn off the power switch on the system (or power supply for the
redundant power model) and turn it on again to restart the system.
(2) If the system can be restarted, execute the show logging
command to view the failure information.
>show logging | grep ERR
(3) If a message "Caution, High temperature" exists in the retrieved
(3) If a message "Caution, High temperature" exists in the retrieved
failure information, the operating environment may have caused the
failure. Request the system administrator to improve the
environment.
failure. Request the system administrator to improve the
environment.
(4) If the system cannot be restarted by procedure (1) above and no
failure information exists in procedure (3) above or message
"Caution, High temperature" does not exist, the system may have
failed. Replace the system.
"Caution, High temperature" does not exist, the system may have
failed. Replace the system.
4
ST1 LED on the system is lit in red
A failure occurred or the system was powered on after it had remained
powered off for a long time (at least one month).
1. If you do not turn on the power of the system for a long time (one month
powered off for a long time (at least one month).
1. If you do not turn on the power of the system for a long time (one month
or more), reboot the system by turning it off and on.
2. In the case of other than the previous case, a failure might occur in the
system. Replace the system.