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System Fan Failure
Fan speed is controlled by system temperature via a BIOS setting. If a fan fails,
the remaining fans will ramp up to full speed. Replace any failed fan at your earli-
est convenience with the same type and model (the system can continue to run
with a failed fan).
Replacing a System Fan (Figure 6-2)
1.
If the BIOS is not being utilized to determine which fan has failed, open the
top cover of the chassis while the system is running to locate the position of
the failed fan. Never run the server for an extended period of time with the
top cover open.
2.
Turn off the power to the system and unplug the AC power cord.
3.
Remove the failed fan's wiring from the backplane.
4.
Remove the four pins securing the fan to the fan tray.
5.
Lift the failed fan from the fan tray and out of the chassis.
6.
Place the new fan into the vacant space in the fan tray, while making sure the
arrows on the top of the fan (indicating air direction) point in the same direc-
tion as the arrows on the other fans in the same fan tray.
7.
Reconnect the fan wires to the exact same chassis fan headers as the previ-
ous fan.
8.
Reconnect the AC power cord, power up the system and check that the fan is
working properly before replacing the chassis cover.
Chapter 6: Advanced Chassis Setup
6-3
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