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Upgrades and Options
Swapping Out a Fan Module
This procedure describes swapping out a faulty fan
module from one of the five hot-swap fan bays.
The system has five hot swappable fan modules housing
a total of six fans (two fans in one module). The failed
fan module can be easily removed or replaced without
turning power off. Each fan module has a fan alarm
LED and each fan is redundant in configuration. If one
fan fails, its associated fan changes its rotating speed
to high. Figure 5-25 shows removing fans from the
front of the chassis and Figure 5-26 shows removing
fans from the rear of the chassis.
Note: To order a new fan module contact your sales
representative or dealer.
If the system status LED indicator on the front of the
system unit is amber (abnormal condition), it can be
indicating a faulty fan condition. Each fan module
alarm LED (lite steadily) can then be checked to
pinpoint which fan module is faulty and needs to be
removed. Follow the procedure described in this section
to remove the faulty fan module and swap in a good
one.
Note: Swapping Fan Modules without turning off
power. This is one of the few system procedures that is
safe to do with the system power left on.
1.
If the fan module being removed is located in the
front of the system unit continue, otherwise go to
step 4.
2.
If locked, unlock and open the left front exterior
door.
3.
Remove the front plastic cover, refer to Installing a
5 1/4-Inch Device or 3 1/2-Inch Diskette Drive as
described earlier in this chapter.
4.
Lossen the two thumb screws that secure the fan
module to the chassis.