Removing A Non-Redundant Cabled Ac Power Supply Unit - Dell PER4402A Installation And Service Manual

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Figure 101. Installing a power supply unit
Next steps
1. If you have unlatched the cable management arm, relatch it. For information about the cable management arm, see the
system's rack documentation at www.dell.com/poweredgemanuals.
2. Connect the power cable to the PSU, and plug the cable into a power outlet.
CAUTION:
When connecting the power cable to the PSU, secure the cable to the PSU with the strap.
NOTE:
When installing, hot swapping, or hot adding a new PSU, wait for 15 seconds for the system to recognize the
PSU and determine its status. The PSU redundancy may not occur until discovery is complete. Wait until the new PSU is
discovered and enabled before you remove the other PSU. The PSU status indicator turns green to signify that the PSU
is functioning properly.

Removing a non-redundant cabled AC power supply unit

Prerequisites
1. Follow the safety guidelines listed in
2. Follow the procedure listed in
3.
Remove the air shroud
4. Disconnect the system from the electrical outlet.
5. Disconnect all the cables connected from the PSU to the system board.
6. If applicable,
remove the expansion card riser.
Steps
1. Using a Phillips #2 screwdriver, remove the screw securing the PSU to the system.
2. Slide the PSU out of the PSU cage.
Safety
instructions.
Before working inside your
system.
Installing and removing system components
99

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