Power Supply Replacement - IBM pSeries 7311 D10 Service Manual

7. Carefully remove the power supply from the subsystem.
1 Power Supplies
2 Green Power LED
3 Amber Fault/Identify LED
Note: During normal operation, each power-supply bay must have either a power supply or filler panel
installed for proper cooling.

Power Supply Replacement

To replace a power supply, do the following:
1. Ensure the handles are in the unlocked position and perpendicular to the power supply.
2. Carefully insert the new power supply into the power supply bay.
3. Press the power supply onto the docking connectors.
4. Put the power supply handles into the locked position.
Note: The handles act as a cam and will correctly seat the power supply.
5. Reconnect the power source to the replaced power supply. The green LED located on the power
supply comes on solid.
6. Close and then secure the service access cover with the three thumbscrews located on its back edge.
7. Put the Model D20 subsystem back into the operating position as described in "D20 Operating
Position" on page 114.
8. If your system has successfully powered on, close the rack doors.
5
1
4
2 3
6
4 Green DC Good LED
5 Power Supply Filler
6 Model D20 Subsystem
Chapter 3. Removal and Replacement Procedures
151