Replacing A Hot-Swap Fan Assembly - IBM System x3850 X6 Installation And Service Manual

4. If you are instructed to return the fan, follow all of the packaging instructions,

Replacing a hot-swap fan assembly

Use this information for an overview of the fans and instructions on how to install
a hot-swap fan in the server.
About this task
The server supports up to 10 fan packs with dual-motor, counter-rotating,
speed-controlled hot-swap cooling fans (two fans in each fan-pack for a total of 20
fans).
Note:
v The fan-packs on the DDR3 compute books and the Standard I/O book are not
v Fan-packs 1 through 8 are on the DDR3 compute books (two fans per fan-pack).
v Fan-packs 9 and 10 are on the Standard I/O book.
The following table shows the fan zones, fan-pack number, and the components
that are cooled by the fans.
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System x3850 X6 and x3950 X6 Types 3837 and 3839: Installation and Service Guide
Attention: To ensure proper operation, replace a failed hot-swap fan within 30
seconds.
and use any packaging materials for shipping that are supplied to you.
interchangeable. The fan packs have text printed on the front of the fan above
the fan handle that indicates which book the fan-pack should be installed in. For
example, the fan-pack for a DDR3 compute books might have the text "Top -
Compute Book Only". The fan-pack for a Standard I/O book might have the
text "Top - Standard I/O Book Only".
The server supports up to four DDR3 compute books.
Table 59. Fan zones, fan number, and the components cooled by the fans
Fan zone
1
Fan-pack
Fan-pack number
9 and 10
Components cooled by the
fans
v Hard disk drives