Service and Troubleshooting Guide
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Revised: August 5, 2005 Page 6
5. If the amber LED is lit, confirm that the green LED lit as described indicating that the motherboard is
operating properly.
6. If the green LED did not light, replace the motherboard as instructed in the Motherboard Removal and
Replacement section.
7. If the green LED did light, confirm that the fan is spinning and the Alert indicator on the front panel is lit.
8. If the fan is not spinning or the Alert indicator is not lit, replace the power supply as instructed in the Power
Supply Removal and Replacement section.
9. If the fan is spinning and the Alert indicator is lit, confirm that the Power indicator on the front panel is lit.
10. If the Power indicator is not lit, replace the motherboard as instructed in the Motherboard Removal and
Replacement section.
4.3 Troubleshooting a Solid Alert Indicator
When the power indicator is lit solid and the alert indicator is lit solid, the server is in Safe Mode. Connect a
PC to the Safe Mode administration interface as instructed in the Connecting to Safe Mode Administration
section.
To get out of Safe Mode, perform the following steps in order. If after any step, the unit boots into Normal
Mode, you are done.
1. If you can select Reboot in Normal Mode on the Safe Mode page, do so.
2. Perform the Reseat All Connectors and Reboot Task.
3. If the unit has mirrored disks, perform the Isolate Mirrored Disks Task.
4. Perform the Fix Disk Task. If the unit has mirrored disks, perform this task on each disk, one at a time, by
pulling the power and data cables from the other disk.
4.3.1 Reseat All Connectors and Reboot Task
1. Remove the top cover assembly as instructed in the Top Cover Removal and Replacement section.
2. Pull out and then reinsert the power and data cables from all disks.
3. Power up the unit as instructed in the Server Power Up section.
4.3.2 Isolate Mirrored Disks Task
One bad disk may affect the other disk in a mirrored disk unit. Perform the following steps on each disk, one at
a time.
1. Pull the power and data cables from the disk.
2. Power up the unit as instructed in the Server Power Up section.
3. If unit boots into Normal Mode, replace the disconnected disk as instructed in the Disk Replacement in a
Single Disk System section. If the unit boots into Safe Mode, reinsert the power and data cables.
4.3.3 Fix Disk Task
Something is wrong with the disk. It may be anything from easily replaceable data to the disk hardware.
These steps are ordered to try to maintain as much existing data as possible. If after any step, the unit boots
into Normal Mode, you are done.
1. Perform the Fix Application Software task.
2. Perform the Fix Server Configuration task.
3. Perform the Fix Server Database task.
4. Perform the Fix File System task.
5. If none of the above steps are successful in enabling the unit to boot into Normal Mode, the disk hardware
is bad and must be replaced as instructed in the Disk Replacement in a Single Disk System section.
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