80 Installing System Components
Installing the Redundant Power Supply
1
Verify that both power supplies are of the same type and have the
same maximum output power.
2
Slide the new power supply into the system until the power supply is fully
seated and the release latch snaps into place. See Figure3-17.
3
Reconnect your system and peripherals to their electrical outlets, and turn
on the system.
NOTE: When installing, hot-swapping, or hot-adding a new power supply in a
system with two power supplies, allow several seconds for the system to recognize
the power supply and determine its status. The power-supply status indicator turns
green to signify that the power supply is functioning properly. See Figure1-4.
Power Distribution Board CAUTION: Many repairs may only be done by a certified service technician.
Youshould only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
withthe product.
NOTE: The power distribution board is available only for redundant
powersupplies.
Removing the Power Distribution Board
1
Turn off the system, including any attached peripherals, and disconnect
the system from its electrical outlet.
2
Open the system. See "Opening the System" on page 53.
3
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page54.
4
Remove the power supplies from the system. "Removing the Redundant
Power Supply" on page79.
5
Remove the expansion card riser. See "Removing the Expansion-Card
Riser" on page 66.
6
Remove all the cables from the power distribution board. See Figure5-7.
7
Remove the four securing screws from the power distribution board.
8
Lift the power distribution board out of the system. See Figure3-18.
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