IBM 9114-275 - IntelliStation POWER 275, Installation Manual

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Power Supply
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.
D02
This system unit can have up to two power supplies. If you are installing an option that requires removal of
the power supplies, perform the procedures below. If you are replacing a power supply, go to “Power
Supply Replacement” on page 40. If you are installing a second power supply as an optional feature, go to
“Installing a Power Supply” on page 41
Power Supply Removal
Before performing any of the following procedures, read and understand all of the safety notices beginning
with “Safety Notices” on page vii.
To install options on the system backplane, you must first remove the power supplies. Do the following:
1. Open the bezel door.
2. Shut down the system as described in “Stopping the System” on page 25.
3. Remove the service access cover as described in “Service Access Cover Removal” on page 28.
4. Remove the power cable from the rear of the power supply.
5. Wait at least 10 seconds before performing the next step.
6. Grasp the ends of both power supply handles, and slide the retractable spring-activated portion of
each handle toward its hinged base. This action releases the locking tab located on the bottom side of
each release handle. See the following illustration.
1 Power supply 4 Fault LED (Amber)
2 Power supply handle latch 5 DC Good LED (Green)
3 Retractable spring-activated portion of the
handle 6 AC Good LED (Green)
7. Lift the handle until it is perpendicular (90 degrees) to the top of the power supply. By placing the
handle perpendicular to the top of the power supply, the base or hinged portion of each handle acts as
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IntelliStation POWER 9114 Model 275 Installation Guide