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.
6. The green LED located on the power supply comes on solid.
7. Close then secure the service access cover with the three thumbscrews located on
its back edge.
8. Push the Model D20 subsystem back to the operating position as described in “D20
Operating Position” on page 126.
9. If your system has successfully powered on, close the rack doors.
Chapter 8. Removal and Replacement Procedures 171