User Service Guide, Third Edition - HP Integrity cx2620 Server

Intermittent Server Problems
You can trace intermittent problems that occur during installation to power source problems, a
loose connector, or some other hardware problem. If you are experiencing intermittent problems,
follow these steps:
1. Check the iLO MP logs and analyze the problem. Determine if there is more than one
symptom and if the problem is random.
2. Verify that the DC power source is stable.
3. Reseat all rear panel connectors.
4. Reseat all hot-swappable fans and power supplies.
5. Reseat all main memory DIMMs.
6. Reseat all cable harnesses and board connectors.
DVD Problems
DVD problems that occur during installation are usually related to faulty connections. If you are
experiencing DVD problems, follow these steps:
1. Remove and reinsert the disk.
2. Replace the disk.
3. Remove and reinstall the DVD drive. Check that connectors are fully engaged.
4. Replace the DVD drive.
Hard Drive Problems
Hard drive problems that occur during installation are usually due to rough handling. The drive
may not be correctly seated or may have been damaged in transit. If you are experiencing hard
drive problems, follow these steps:
1. Remove and reinsert the faulty hard drive.
2. Swap the hard drive with one from another slot or with a known good spare.
3. Remove and reinstall the hard drive backplane. Check that connectors are fully engaged.
4. Replace the hard drive backplane.
Console Problems
Console problems during installations can be caused by faulty interconnections. If you are
experiencing monitor, keyboard, or mouse problems, follow these steps:
1. Check the monitor controls. Adjust contrast and brightness as required.
2. Inspect all power and interconnecting cables. Check that all console connectors are fully
engaged.
3. Check that all iLO MP card connectors are fully engaged.
4. Exercise the appropriate self-test features of the console software.
Troubleshooting Using LED Indicators
The server has LED indicators located on the front and rear of the server which you can use to
determine what repair action is required. Descriptions of front and rear panel LEDs are provided
in the following sections.
Front Panel LEDs
The front panel LEDs show server status at a glance. They include four diagnostic LEDs, and
the system, LAN, and power LEDs. The front panel LEDs are listed in Table 5-4, together with
system status or probable cause descriptions of likely system failures.
122 Troubleshooting