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CHAPTER 4: Installing Components
46
If your server is only equipped with a single power supply, the server must be turned off and
the AC power cord removed before replacing it.
To replace a power supply module:
1 If your server is equipped with more than one power supply module, determine which
power supply module has failed (the LED on the power supply will be orange).
2 If your server has only one power supply module installed, make sure that you turn off the
server, then unplug the power cord before continuing.
- OR -
If your server has two power supply modules installed, you do not need to turn off the
power to the server before continuing.
3 Press the retaining clip on the power supply to the left to release the power supply module
from the chassis.
4 Pull the power supply module straight out of the server with the handle. It may take
considerable force to remove.
5 Insert the new power supply module into the server, with the retaining clip on the right,
until it locks into place.
6 Reconnect the AC power cord for the new power supply module.
Replacing the power distribution board
To replace the power distribution board:
1 Follow the instructions in “Preventing static electricity discharge” on page 28. Make sure that
you turn off the server, then unplug the power cord(s) and all other cables connected to the
server.
2 Follow the instructions in “Opening the server case” on page 29.
3 Remove the power supply modules by following the instructions in “Replacing a power
supply module” on page 45.