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Chapter 3: Maintenance and Component Installation
Figure 3-7. Replacing a System Fan
System Cooling
Three 8-cm fans provide the cooling for the system. It is very important that the chassis top
cover is installed for the cooling air to circulate properly through the chassis and cool the
components.
Installing Fans
Fan speed is controlled by system temperature via BIOS. If a fan fails, the remaining fans
will ramp up to full speed. Replace any failed fan at your earliest convenience with the same
type and model (the system can continue to run with a failed fan).
Replacing a System Fan
If necessary, open the chassis while the power is running to determine which fan has failed.
(Never run the server for an extended period of time with the chassis open.)
1. Begin by removing power from the system as described in section 3.1 and the chassis
cover as described in section 3.2.
2. Remove the failed fan's power cord from the serverboard.
3. Press the fan release tab to lift the failed fan from the chassis and pull it completely
from the chassis.
4. Place the new fan into the vacant space in the housing while making sure the arrows on
the top of the fan (indicating air direction) point in the same direction as the arrows on
the other fans.
5. Plug the power cords into the rear of the power supply, power up the system and check
that the fan is working properly before replacing the chassis cover.
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