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Chapter 1 Maintenance
For BladeSystem c-Class enclosure fan issues, review the fan section of OA SHOW ALL and the FAN
FRU low-level firmware.
[?]
The cooling fan operates at a higher speed than normal.
In the iLO web interface, navigate to the Information > System Information page and check the
following information:
- Click the Fans tab
the Caution threshold.
- Click the Temperatures tab, and check the fan status and fan speed. Fan speeds greater than 60%
are expected to be loud.
Update the server to the latest firmware versions, such as iLO firmware, system ROM, option firmware,
etc.
Verify that all air ducts and required blanks, such as drive blanks, processor heatsink blanks, dummy
trays, etc., are installed.
Make sure that the correct processor heatsink is installed.
Make sure that the correct fan is installed, if the system supports both standard fans and high
performance fans.
[?]
The cooling fan makes excessive noise while operating at low speed.
Replace the cooling fan.
[?]
A cooling fan with hot-plug support does not operate correctly.
Check the server LEDs to see if any statuses indicate the source of the issue.
Be sure no POST error messages are displayed.
Be sure hot-plug fan requirements are being met. For details, see User's Guide of the server.
[?]
The TPM is no longer detected from System Utility.
Contact your maintenance service company, and replace it with the new motherboard and TPM kit.
[?]
The memory does not function correctly.
Check any server LEDs that correspond to memory slots.
Be sure the memory meets the server requirements. For details, see User's Guide of the server.
Be sure the memory installs properly.
Update the system ROM to the latest version.
Verify that the DIMM is installed correctly according to the procedure.
Reseat the DIMM.
Replace the DIMM.
If the third-party memory is installed on the server, remove it.
44
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Fan speeds can be high if a sensor temperature is within approximately 10°C of
Express5800/R120h-1M, R120h-2M (3rd-Gen) Maintenance Guide
5. Troubleshooting
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