8 Fans
8.1 Safety notes
CAUTION
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Do not damage or modify internal cables or devices. Doing so may
cause a device failure, fire, or electric shock.
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Devices and components inside the server remain hot after
shutdown. After shutting down the server, wait for hot components
to cool down before installing or removing internal options.
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Circuit boards and soldered parts of internal options are exposed
and can be damaged by static electricity. Always discharge static
build-up (e.g. by touching a grounded object) before handling
electrostatic-sensitive devices (ESDs).
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Do not touch the circuitry on boards or soldered parts. Hold circuit
boards by their metallic areas or edges.
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If devices are installed or disassembled using methods other than
those outlined in this chapter, the warranty will be invalidated.
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The procedure of installation on this notes might change depending
on a configuration of options.
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For more information, see "Important information" on page 29
.
8.2 Basic information
The server comes with four hot-plug fan modules. Each fan module contains
two fans. The fan configuration is redundant (configured as 7+1 redundant).
Even if one of these fan modules failed, system will operate without any
problem. In case of one fan module is defective, the speed of the other fans
will be increased.
If one fan module is defective, replace the fan module as soon as possible.
During the server is switched on, only one fan module at a time may be
removed.
RX4770 M6 Upgrade and Maintenance Manual 167
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