Servicing the Fan Board
This board carries power to the fan modules and fan module status LEDs. This board also
transmits status and control signals for the fan modules.
These topics describe how to service the fan board.
■
“Remove the Fan Board” on page 135
■
“Install the Fan Board” on page 137
■
“Verify Fan Board Functionality” on page 139
Remove the Fan Board
Caution - These procedures require that you handle components that are sensitive to ESD. This
sensitivity can cause the component to fail. To avoid damage, ensure that you follow antistatic
practices as described in “ESD Measures” on page 54.
This is a cold-service procedure that must be performed by qualified service personnel. The
server must be completely powered down before performing this procedure. See “Component
Service Categories” on page 57 for more information about this category of service procedures.
1.
Prepare for servicing.
a.
Attach an antistatic wrist strap.
b.
Power off the server and unplug power cords from the power supplies.
See “Removing Power From the Server” on page 58.
c.
Extend the server to the maintenance position.
See “Extend the Server to the Service Position” on page 63.
d.
Remove the top cover.
Servicing the Fan Board 135
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