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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.
A video for this task is available at:
• YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-Atzbq4KHJgYQHkA9FCH0-m
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.
Step 6.
Make sure that the on/off switch of the new power supply is in the Off position.
Step 7.
Using both hands, support and align the edges of the power supply with the opening in the system
chassis, and then gently push the power supply into the chassis using the cam handle. The power
supplies are keyed and can only be installed one way.
Attention: Do not use excessive force when sliding the power supply into the system. You can
damage the connector.
Step 8.
Close the cam handle so that the latch clicks into the locked position and the power supply is fully
seated.
ThinkSystem DM3000x and DM5000x Hardware Installation and Maintenance Guide
44
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