Replacing Fan Modules - Cisco UCS C240 M4 Installation And Service Manual
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Chapter 3
Maintaining the Server
Replacing Fan Modules
The six hot-swappable fan modules in the server are numbered as follows when you are facing the front
of the server.
Figure 3-13
FAN 6
Tip
A fault LED is on the top of each fan module that lights amber if the fan module fails. To operate these
LEDs from the SuperCap power source, remove AC power cords and then press the Unit Identification
button. See also
You do not have to shut down or power off the server to replace fan modules because they are hot-
Caution
swappable. However, to maintain proper cooling, do not operate the server for more than one minute with
any fan module removed.
Slide the server out the front of the rack far enough so that you can remove the top cover. You might have
Step 1
to detach cables from the rear panel to provide clearance.
Caution
If you cannot safely view and access the component, remove the server from the rack.
Step 2
Remove the top cover as described in
Step 3
Identify a faulty fan module by looking for a fan fault LED that is lit amber (see
Step 4
Remove a fan module that you are replacing (see
a.
b.
Step 5
Install a new fan module:
a.
Note
b.
Step 6
Replace the top cover.
Step 7
Replace the server in the rack.
OL-32474-01
Fan Module Numbering
FAN 5
Internal Diagnostic LEDs, page
Grasp the top of the fan and pinch the green plastic latch toward the center.
Lift straight up to remove the fan module from the server.
Set the new fan module in place, aligning the connector on the bottom of the fan module with the
connector on the motherboard.
The arrow label on the top of the fan module, which indicates the direction of airflow, should
point toward the rear of the server.
Press down gently on the fan module until the latch clicks and locks in place.
FAN 4
FAN 3
3-8.
Removing and Replacing the Server Top Cover, page
Figure
3-14):
Cisco UCS C240 M4 Server Installation and Service Guide
Installing or Replacing Server Components
FAN 2
FAN 1
Figure
3-14).
3-10.
3-23
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