Installing The Power Supply - IBM x3250 M3 Problem Determination And Service Manual

8. Lift the power supply out of the bay.
9. If you are instructed to return the power supply, follow all packaging instructions,

Installing the power supply

To install the replacement power supply, complete the following steps:
10. Install the air baffle (see "Installing the DIMM air baffle" on page 133).
11. Install the cover (see "Installing the cover" on page 130).
12. Slide the server into the rack.
13. Reconnect the ac power cord into the connector on the back of the power
14. Connect all external cables that you disconnected in step 2 on page 180.
15. Connect the other end of the ac power cord into a properly grounded electrical
16. Press the power-control button.
17. Make sure that the power-on LED on the front of the server is lit.
and use any packaging materials for shipping that are supplied to you.
1. Read the safety information that begins on page vii and "Installation guidelines"
on page 127.
2. Place the new power supply into the bay.
3. Tighten the captive thumbscrew that secures the rear of the power supply to
the chassis bottom.
4. Replace the screw that holds the power supply to the rear of the chassis (see
the illustration on page 181).
5. Connect the internal power-supply cable from the power supply to the power
connectors on the system board. See "System-board internal connectors" on
page 14 for the locations of the power connectors on the system board.
v For power supply without Active Energy Manager (AEM), connect the power
cables to power connectors 1 and 2 on the system board.
v For high-efficient power supply with AEM, connect the power cables to
power connectors 1, 2, 3, and 4 on the system board.
6. Route the internal power-supply cables, securing them with the retention-clips.
7. Test the power supply:
a. Connect one end of the ac 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.
b. Make sure that the standby power LED on the system board is lit (see
"System-board LEDs" on page 18); if the standby power LED is not lit,
discontinue this procedure and obtain a new power supply.
c. Press the power-control button. Make sure that the power-on LED on the
front of the server is lit.
If the server starts, proceed to step 8. If the server does not start, disconnect
the ac power cord and call for service.
8. Turn off the server and disconnect the ac power cord.
9. Connect the cables from the power supply to the internal devices.
supply.
outlet.
Chapter 5. Removing and replacing server components
181