HP DL785 HP ProLiant DL785 G5 and G6 Servers - Maintenance and Service Guide, - Page 39

Hot-plug fans, Rear accessed hot-plug fans, Use tools with insulated handles.

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3. Remove the power supply. To replace the component, reverse the removal procedure. Hot-plug fans The server supports redundant hot-plug fans, each with two individual fans rotors, in a 5+1 configuration to provide proper airflow to the server. The airflow strategy contains two thermal zones with three fan units in the bottom zone (accessed from the server rear), and three fan units in the upper zone (accessed internally). See "Fan locations" (page 75). WARNING! To prevent personal injury from hazardous energy: • Remove watches, rings, or other metal objects. • Use tools with insulated handles. • Do not place tools or metal parts on top of batteries. Rear accessed hot-plug fans To replace a rear accessed hot-plug fan: 1. Identify the failed fan by locating an amber LED on the Systems Insight Display. Hot-plug fans 39

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3.
Remove the power supply.
To replace the component, reverse the removal procedure.
Hot-plug fans
The server supports redundant hot-plug fans, each with two individual fans rotors, in a 5+1
configuration to provide proper airflow to the server. The airflow strategy contains two thermal
zones with three fan units in the bottom zone (accessed from the server rear), and three fan units
in the upper zone (accessed internally). See
“Fan locations” (page 75)
.
WARNING!
To prevent personal injury from hazardous energy:
•
Remove watches, rings, or other metal objects.
•
Use tools with insulated handles.
•
Do not place tools or metal parts on top of batteries.
Rear accessed hot-plug fans
To replace a rear accessed hot-plug fan:
1.
Identify the failed fan by locating an amber LED on the Systems Insight Display.
Hot-plug fans
39