IBM DS4500 User Manual
CAUTION:
Never
remove
the
cover
on
a
power
supply
or
any
part
that
has
the
following
label
attached.
Hazardous
voltage,
current,
and
energy
levels
are
present
inside
any
component
that
has
this
label
attached.
There
are
no
serviceable
parts
inside
these
components.
If
you
suspect
a
problem
with
one
of
these
parts,
contact
a
service
technician.
3.
Remove
the
failed
power
supply,
as
shown
in
a.
Lift
up
and
pull
out
on
the
pull
handle
to
release
the
power
supply.
b.
Slide
the
power
supply
out
of
the
chassis.
c.
Grasp
the
sides
of
the
unit
with
both
hands
and
pull
it
from
the
chassis.
d.
Place
the
power
supply
on
a
level
surface.
4.
Unpack
the
new
power
supply.
5.
Install
the
new
power
supply:
a.
Grasp
the
power
supply
with
both
hands
and
slide
the
module
into
the
chassis
slot,
as
shown
in
b.
Gently
push
the
front
of
the
power
supply
to
ensure
that
it
is
fully
seated.
6.
Plug
in
the
power
cord
and
turn
on
the
power
switch
on
the
power
supply.
7.
Check
the
new
power
supply
and
other
DS4500
Storage
Subsystem
LEDs
for
faults.
For
more
information,
see
Figure
107.
Removing
and
installing
a
power
supply
158
IBM
TotalStorage
DS4500
Fibre
Channel
Storage
Subsystem:
Installation,
User’s,
and
Maintenance
Guide