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AS4041M-32R+ User's Manual
6-3
System Fans
Three 9-cm chassis cooling fans (located in the center of the chassis) provide
cooling airfl ow while three 8-cm exhaust fans expel hot air from the chassis. The
fans should all be connected to headers on the serverboard (see Chapter 5). Each
power supply module also has a cooling fan.
Fan Failure
Under normal operation all chassis fans, exhaust fans and the power supply fans
run continuously. The chassis fans are hot-swappable and can be replaced without
powering down the system.
Replacing Chassis Fans
1.
First identify the failed chassis fan by removing the top/left chassis cover (see
Chapter 2 for details). Locate the fan that has stopped working.
2.
Depress the locking tab on the failed fan: on a chassis fan, push the tab on
the side of the housing inward, on the exhaust fan push down on the colored
tab.
3.
With the tab depressed, pull the unit straight out (see Figure 6-3). The wiring
for these fans has been designed to detach automatically.
4.
Replace the failed fan with an identical one (available from Supermicro). In-
stall it in the same position and orientation as the one you removed; it should
click into place when fully inserted.
5.
Check that the fan is working then replace the top/left side chassis panel.
Figure 6-3. Removing a Chassis Fan
6-4
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