Power Supplies
|
24
Replace an AC or DC Power Supply
NOTE:
If a PSU fails, you must completely replace it. There are no field servicable components in the PSU.
To request a hardware replacement, refer to
Chapter 8, Technical Support
.
To replace a PSU, follow these steps:
6
For DC PSUs, replace the small plastic cover over the DC connectors.
7
• For an AC PSU, the system powers up
as soon as the cables are connected
between the PSU and the power
source.
• For a DC PSU, turn on the power.
Step
Task
1
• For an AC PSU: disconnect the power cable from the PSU.
• For a DC PSU:
IMPORTANT
: Turn OFF the power switch and disconnect the power cord from the PSU.
2
For DC PSUs, remove the small plastic cover over the DC connectors. Do not throw the cover away; you will put
it back on when you complete the PSU replacement.
CAUTION:
You must complete steps 3 and 4 within one minute or the system powers down.
3
Use the grab handle to slide the PSU out of the power supply bay.
4
Use the grab handle on the replacement PSU to slide it into the power supply bay.
5
Tighten the securing screws on the replacement PSU. Ensure the PSU is secure.
6
Attach the power cord to the replacement PSU.
7
For DC PSUs, replace the small plastic cover over the DC connectors.
8
• For an AC PSU, the system powers up
as soon as the cables are connected
between the PSU and the power
source.
• For a DC PSU, turn on the power.
Step
Task (continued)
