System information

RX2520 M1 Upgrade and Maintenance Manual 141
8 System fan
Safety notes
V CAUTION!
● Do not damage or modify internal cables or devices. Doing so may
cause a device failure, fire, or electric shock.
● 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.
● 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).
● Do not touch the circuitry on boards or soldered parts. Hold circuit
boards by their metallic areas or edges.
● If devices are installed or disassembled using methods other than
those outlined in this chapter, the warranty will be invalidated.
● For further information, please refer to chapter "Important
information" on page 35
8.1 Basic information
The following fans are available:
– five system fans included in a system fan box
– up to two fans, that are integral parts of the power supply units and cannot
be replaced separately
I The fan configuration is redundant. One fan may be faulty. Replace the
fan as soon a possible. During the server is switched on, only one fan
may be removed.