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Bay 1
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Fan
Fan mode behavior
•
In non-redundant fan mode, a fan failure or a missing fan causes:
◦
The system Health LED to flash amber.
◦
The operating system to orderly shut down.
•
In redundant fan mode:
◦
A fan failure or a missing fan will switch the system to non-redundant fan mode.
This change is indicated by the Health LED flashing amber. The system continues to operate normally
in this mode.
◦
A second fan failure or a missing fan causes the operating system to orderly shut down.
Fan speed
The server supports variable fan speeds. The fans operate at minimum speed until a temperature change
requires a fan speed increase to cool the server. The server shuts down during the following
temperature‑related scenarios:
•
At POST and in the OS, iLO 5 performs an orderly shutdown if a cautionary temperature level is detected.
If the server hardware detects a critical temperature level before an orderly shutdown occurs, the server
performs an immediate shutdown.
•
When the Thermal Shutdown feature is disabled in the BIOS/Platform Configuration (RBSU), iLO 5 does
not perform an orderly shutdown when a cautionary temperature level is detected. Disabling this feature
does not disable the server hardware from performing an immediate shutdown when a critical temperature
level is detected.
CAUTION:
A thermal event can damage server components when the Thermal Shutdown feature is disabled in
the BIOS/Platform Configuration (RBSU).
Installing the fan cage
Prerequisites
Before you perform this procedure, make sure that you have the following items available:
•
Fan cage option kit
•
T-15 Torx screwdriver
Procedure
1.
Remove the front bezel on page 39.
2.
Power down the server on page 38.
3.
Remove all power:
108
Fan mode behavior
Bay 2
Bay 3
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Fan
Fan
Fan
Fan
Bay 4
Bay 5
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Fan
Fan
Fan
Fan
Fan
Bay 6
Redundant
hot-plug
support
Fan
No
Fan
No
Fan
Yes
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