Swapping out a power supply
Swapping out a power supply involves turning off, disconnecting, and removing the old power supply and
installing, connecting, and turning on the replacement power supply.
Before you begin
All other components in the system must be functioning properly; if not, you must contact technical support.
About this task
• The power supplies are redundant and hot-swappable.
• This procedure is written for replacing one power supply at a time.
• Power supplies are auto-ranging.
Step 1. Identify the power supply you want to replace, based on console error messages or through the
LEDs on the power supplies.
Step 2. If you are not already grounded, properly ground yourself.
Step 3. Turn off the power supply and disconnect the power cables:
a. Turn off the power switch on the power supply.
b. Open the power cable retainer, and then unplug the power cable from the power supply.
c. Unplug the power cable from the power source.
Step 4. Squeeze the latch on the power supply cam handle, and then open the cam handle to fully release
the power supply from the mid plane.
Step 5. Use the cam handle to slide the power supply out of the system.
CAUTION:
When removing a power supply, always use two hands to support its weight.
Chapter 5. Hardware replacement procedures 41
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