HP DL145 ProLiant DL100 Series Servers User Guide - Page 41

System open circuits and short circuits, PPM problems

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CAUTION: Removal of some processors and heatsinks require special considerations for replacement, while other processors and heatsinks are integrated and cannot be reused once separated. For specific instructions for the server you are troubleshooting, refer to processor information in the Hardware options installation (on page 12) section on the Documentation CD. 5. If the server has only one processor installed, replace it with a known functional processor. If the problem is resolved after you restart the server, the original processor failed. 6. If the server has multiple processors installed, test each processor: a. Remove all but one processor from the server. Replace each with a processor terminator board or blank, if applicable to the server. b. If the server includes PPMs that are not integrated on the system board, remove all PPMs from the server except for the PPM associated with the remaining processor. c. Replace the remaining processor with a known functional processor. If the problem is resolved after you restart the server, a fault exists with one or more of the original processors. Install each processor and its associated PPM (if applicable) one by one, restarting each time, to find the faulty processor or processors. Be sure the processor configurations at each step are compatible with the server requirements. PPM problems Action: If the PPMs are not integrated on the system board: CAUTION: Do not operate the server for long periods with the access panel open or removed. Operating the server in this manner results in improper airflow and improper cooling that can lead to thermal damage. 1. If applicable, check the PPM LEDs to identify if a PPM failure occurred. For information on LEDs, refer to the server documentation. 2. Reseat each PPM, and then restart the server. 3. If reseating the PPMs is not effective, remove all but one PPM, restart the server to see if the PPM is working, and then install each PPM individually, cycling power each time. Follow the warnings and cautionary information in the server documentation. System open circuits and short circuits Action: CAUTION: Do not operate the server for long periods with the access panel open or removed. Operating the server in this manner results in improper airflow and improper cooling that can lead to thermal damage. 1. Check the server LEDs to see if any statuses indicate the source of the problem. For LED information, refer to the server documentation. 2. Remove all power sources to the server. 3. Be sure no loose connections (on page 17) exist in the area. 4. Be sure each component in the area is working. Refer to the section for each component in this guide. Troubleshooting 41

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Troubleshooting 41
CAUTION:
Removal of some processors and heatsinks require special considerations for
replacement, while other processors and heatsinks are integrated and cannot be reused once
separated. For specific instructions for the server you are troubleshooting, refer to processor
information in the Hardware options installation (on page
12
) section on the Documentation
CD.
5.
If the server has only one processor installed, replace it with a known functional processor. If the
problem is resolved after you restart the server, the original processor failed.
6.
If the server has multiple processors installed, test each processor:
a.
Remove all but one processor from the server. Replace each with a processor terminator board
or blank, if applicable to the server.
b.
If the server includes PPMs that are not integrated on the system board, remove all PPMs from the
server except for the PPM associated with the remaining processor.
c.
Replace the remaining processor with a known functional processor. If the problem is resolved
after you restart the server, a fault exists with one or more of the original processors. Install each
processor and its associated PPM (if applicable) one by one, restarting each time, to find the
faulty processor or processors. Be sure the processor configurations at each step are compatible
with the server requirements.
PPM problems
Action
: If the PPMs are not integrated on the system board:
CAUTION:
Do not operate the server for long periods with the access panel open or removed.
Operating the server in this manner results in improper airflow and improper cooling that can
lead to thermal damage.
1.
If applicable, check the PPM LEDs to identify if a PPM failure occurred. For information on LEDs, refer
to the server documentation.
2.
Reseat each PPM, and then restart the server.
3.
If reseating the PPMs is not effective, remove all but one PPM, restart the server to see if the PPM is
working, and then install each PPM individually, cycling power each time. Follow the warnings and
cautionary information in the server documentation.
System open circuits and short circuits
Action
:
CAUTION:
Do not operate the server for long periods with the access panel open or removed.
Operating the server in this manner results in improper airflow and improper cooling that can
lead to thermal damage.
1.
Check the server LEDs to see if any statuses indicate the source of the problem. For LED information,
refer to the server documentation.
2.
Remove all power sources to the server.
3.
Be sure no loose connections (on page
17
) exist in the area.
4.
Be sure each component in the area is working. Refer to the section for each component in this
guide.