Fan Unit Replacement - Fujitsu SPARC Enterprise M8000 Service Manual

8
C H A PT E R

FAN Unit Replacement

This chapter explains the replacement procedures for the FAN unit (FAN). It covers the
following:
Section 8.1, "Overview of the FAN Unit" on page 8-2
■
Section 8.2, "Active Replacement and Hot Replacement" on page 8-8
■
Section 8.3, "Cold Replacement" on page 8-14
■
There are three methods for replacing a FAN unit: active replacement , hot replacement, and
cold replacement. For the definition of each type of method, see
Replacement Procedures" on page
For the M8000 server, when you perform maintenance on the FAN_B which is located on the
rear side, the cables connected to the unit mounted in the rack space of the M8000 server
must be properly routed. For details, see
on page
Note – To do maintenance on the IOU or the FAN unit of the M8000 server, push aside the
cables.
Caution – Take care to prevent the cables from blocking the ventilation slits of the M8000
server. It is recommended to run the cables above the handle of the FAN unit.
4-37.
4-2.
Section 4.7, "Cable Routing of the M8000 Server"
Section 4.1, "Types of
8-1