4.
Verify that the correct processor heatsink is installed.
5.
Verify that the correct fan is installed, if the system supports both standard fans and performance fans.
More information
Updating firmware or system ROM on page 147
Server documentation on page 167
Excessive fan noise (high speeds)
Symptom
Fans are operating at high speeds with excessive noise.
Cause
Fans can generate noise if running at a high speed (as expected) or when at low speed if there is an
issue with the fan.
Action
1.
In the iLO web interface, click
System Information
in the navigation tree.
2.
Click the
Fans
tab.
3.
Verify the fan status and fan speed.
Fan speeds greater than 60% are expected to be loud.
4.
If the fan is running at a higher speed than expected, see "Fans running at a higher than expected
speed."
More information
Server documentation on page 167
Fans running at a higher than expected speed on page 98
Excessive fan noise (low speeds)
Symptom
Abnormal/rattling noise observed at low fan speeds might indicate an issue with the fan.
Action
Replace the fan.
For more information, see the server maintenance and service guide.
More information
Server documentation on page 167
Hot-plug fan issues
Symptom
Hot-plug fans are not functioning properly.
Excessive fan noise (high speeds)
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