Fan Population Guidelines; Installing A Hot-Swap Fan Module - HP ProLiant DL120 Gen9 User Manual

Fan population guidelines

To provide sufficient airflow to the system if a fan fails, the server supports redundant fans.
Configuration
Non-redundant
Redundant*
Non-redundant (for
high efficiency
processors
exceeding 105W)
* Fan redundancy is not supported for processors exceeding 105W.
•
In the redundant fan mode:
If one fan rotor fails, the system continues to operate without redundancy. This condition is indicated
o
by a flashing amber Health LED.
If two fan rotors fail, the system shuts down.
o
The minimum fan requirement to make this server bootable is three fans.
o

Installing a hot-swap fan module

WARNING:
internal system components to cool before touching them.
To install the component:
Power down the server (on page 17).
1.
Remove all power:
2.
Disconnect each power cord from the power source.
a.
Disconnect each power cord from the server.
b.
Do one of the following:
3.
Extend the server from the rack (on page 17).
o
Fan bay 1 Fan bay 2 Fan bay 3 Fan bay 4 Fan bay 5
Fan Fan Blank
Fan Fan Fan
Fan Fan Fan
To reduce the risk of personal injury from hot surfaces, allow the drives and the
Fan Blank
Fan Fan
Fan Blank
Hardware options installation 52