IBM DS4500 User Manual
2.
Remove
the
failed
fan
and
communications
module,
as
shown
in
a.
Using
a
flat-blade
screwdriver,
loosen
the
two
captive
screws
on
the
fan
and
communications
module.
b.
Lift
up
and
pull
out
on
the
pull
handle
to
slide
the
module
out
of
the
slot
a
few
inches.
c.
Grasp
the
sides
of
the
module
with
both
hands
and
pull
it
from
the
chassis.
d.
Place
the
module
on
a
level
surface.
3.
Unpack
the
new
fan
and
communications
module.
4.
Install
the
new
fan
and
communications
module:
a.
Push
the
new
fan
and
communications
module
all
the
way
into
its
chassis
slot.
b.
Use
a
flat-blade
screwdriver
to
tighten
the
two
captive
screws
on
the
new
module,
securing
it
into
place.
5.
Check
the
fan
and
communications
module
LED
(see
v
If
the
amber
fault
LED
is
on,
make
sure
that
the
fan
and
communications
module
is
inserted
all
the
way
into
the
chassis
and
secured
in
place.
v
If
the
fault
LED
remains
on,
one
or
both
fans
inside
the
fan
and
communications
module
might
be
malfunctioning.
Replace
the
failed
fan
and
communications
module
with
a
spare,
if
available.
Otherwise,
shut
down
the
DS4500
until
you
can
replace
the
failed
fan
and
communications
module
with
a
new
one.
6.
Reconnect
the
Ethernet
interface
cables
that
you
disconnected
in
Step
to
the
new
fan
and
communications
module.
Figure
105.
Removing
and
installing
a
fan
and
communications
module
Chapter
5.
Replacing
components
155