IBM 8872 Service Guide - Page 123

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Locking handle (open) Locking latch DCAC Power supply 2 (PS2) Power supply 1 (PS1) DCAC AC DC AC power LED (green) DC power LED (green) 1. Read the safety information that begins on page vii and "Installation guidelines" on page 99. 2. Remove the top cover (see "Top cover and bezel" on page 113). Attention: To ensure proper cooling and airflow, do not operate the server for more than 2 minutes with the top cover removed. 3. Disconnect the power cord from the connector on the back of the power supply. 4. Press the orange locking latch on the power-supply handle and raise the power-supply handle to the open position. 5. Lift the power supply out of the bay. 6. If you are instructed to return the hot-swap power supply, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. To install the replacement hot-swap power supply, complete the following steps: 1. Raise the handle on the power supply to the open position. 2. Place the power supply into the bay and fully close the locking handle. 3. Connect one end of the power cord for the new power supply into the connector on the back of the power supply, and connect the other end of the power cord into a properly grounded electrical outlet. 4. Make sure that the ac power LED on the top of the power supply is lit, indicating that the power supply is operating correctly. If the server is turned on, make sure that the dc power LED on the top of the power supply is lit also. 5. Install the top cover (see "Top cover and bezel" on page 113). Chapter 4. Removing and replacing server components 107

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AC
DC
AC
DC
Locking handle
(open)
Locking latch
Power supply 2 (PS2)
Power supply 1 (PS1)
DC power
LED (green)
AC power
LED (green)
AC
DC
1.
Read
the
safety
information
that
begins
on
page
vii
and
“Installation
guidelines”
on
page
99.
2.
Remove
the
top
cover
(see
“Top
cover
and
bezel”
on
page
113).
Attention:
To
ensure
proper
cooling
and
airflow,
do
not
operate
the
server
for
more
than
2
minutes
with
the
top
cover
removed.
3.
Disconnect
the
power
cord
from
the
connector
on
the
back
of
the
power
supply.
4.
Press
the
orange
locking
latch
on
the
power-supply
handle
and
raise
the
power-supply
handle
to
the
open
position.
5.
Lift
the
power
supply
out
of
the
bay.
6.
If
you
are
instructed
to
return
the
hot-swap
power
supply,
follow
all
packaging
instructions,
and
use
any
packaging
materials
for
shipping
that
are
supplied
to
you.
To
install
the
replacement
hot-swap
power
supply,
complete
the
following
steps:
1.
Raise
the
handle
on
the
power
supply
to
the
open
position.
2.
Place
the
power
supply
into
the
bay
and
fully
close
the
locking
handle.
3.
Connect
one
end
of
the
power
cord
for
the
new
power
supply
into
the
connector
on
the
back
of
the
power
supply,
and
connect
the
other
end
of
the
power
cord
into
a
properly
grounded
electrical
outlet.
4.
Make
sure
that
the
ac
power
LED
on
the
top
of
the
power
supply
is
lit,
indicating
that
the
power
supply
is
operating
correctly.
If
the
server
is
turned
on,
make
sure
that
the
dc
power
LED
on
the
top
of
the
power
supply
is
lit
also.
5.
Install
the
top
cover
(see
“Top
cover
and
bezel”
on
page
113).
Chapter
4.
Removing
and
replacing
server
components
107