If a system fan module fails, the remaining three fans are sufcient to maintain operation of the
enclosure. You need not halt operations and completely power-off the enclosure when replacing only one
system fan; however, a complete orderly shutdown is required if replacing multiple system fans modules
simultaneously.
CAUTION: Do not remove the cover from the system fan module due to danger from electric shock
inside. Return the module to your supplier for repair.
See CAUTION bullets regarding electrostatic discharge and anti-static protection.
Tip: The illustrations show system fan module replacement as you face the enclosure rear panel. See also
Figure 4 on page 10 and Figure 8 on page 12.
Removing a system fan module
CAUTION: Removing a system fan module signicantly disrupts the enclosure’s airflow. Do not
remove the fan until you have received the replacement module. It is important that all slots are
lled when the enclosure is in operation.
1. Press down on the latch tab to release the fan from its locked position. See detail No.1 in Figure 63 on
page 71.
Figure 63. Removing a system fan (1 of 2)
2. Grasp the fan module handle and carefully pull the fan out of its slot. See detail No.2 in Figure 64 on
page 72.
Chapter 7. Module removal and replacement
71
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