IBM x3950 Problem Determination And Service Manual page 141

Locking handle
(open)
1. Read the safety information that begins on page vii and "Installation guidelines"
on page 117.
2. Remove the top cover (see "Top cover and bezel" on page 131).
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 131).
Locking latch
Power supply 2 (PS2)
Power supply 1 (PS1)
AC
DC
Chapter 4. Removing and replacing server components
AC power
LED (green)
DC power
LED (green)
125