Removal
DANGER
Do not attempt to open the covers of the power supply. Power supplies are
not serviceable and are to be replaced as a unit.
Attention: Be sure that the replacement power supply (or cooling unit) is ready to
install. If the power supply (or cooling unit) is removed for longer than four minutes, a
shutdown command is issued to the operating system.
1. If you have not already done so, open the front door of the rack unit.
2. Loosen the two thumbscrews that attach the front bezel to the drawer.
3. Grasp both sides of the front bezel and pull it off the drawer.
4. Unplug the power cord from the power supply you are removing.
5. Pull the snap button out on the power supply handle.
6. Grasp the handle of the power supply and pivot it downward.
Snap Buttons
R
7. Pull the power supply out of the drawer.
8. Remove the external fan assembly from the power supply and save it for
replacement.
Chapter 9. Removal and Replacement Procedures 455
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