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10. Return the system to the operating position as described in "Returning the Model 6C3 to the
Operating Position" on page 285 or "Placing the Model 6E3 into the Service and Operating Position"
on page 286.
11. Start the system as described in "Starting the System" on page 283.
Installing or Replacing a Power Supply with the System Power On
The system power can remain on when a second power supply installed or when one of the two power
supplies present in the system is replaced.
To install a second power supply, or to replace a failing power supply when two are present in the system,
do the following:
1. On a Model 6C3, open the rear rack door.
2.
If a failing power supply is present, disconnect the power cable from the failing power supply at the
rear of the system.
3. Place the system into the service position as described in "Placing the Model 6C3 into the Service
Position" on page 284 or "Placing the Model 6E3 into the Service and Operating Position" on page
286.
4. Remove the service access cover as described in "Removing the Model 6C3 Service Access Cover"
on page 288 or "Removing the Model 6E3 Service Access Cover" on page 289.
5. Ensure the power supply bay is empty by doing one of the following:
a. Remove the power supply filler by grasping the handle and pulling the filler inward and then up
and out of the system.
b. Remove a failing power supply by doing the following:
1) Grasp the ends of the power supply handles, and press the retractable spring-activated
portion of each handle. This action releases the spring latch located on the bottom side of
each handle. See the following illustration.
2) Lift the power supply release handles until they are perpendicular (90 degrees) to the top of
the power supply. By placing the handles perpendicular to the top of the power supply, the
base or hinged portion of each handle acts as a cam and helps pry the power supply from its
connector located on the system backplane.
3) After the power supply is released from its connector, pull the power supply straight out from
the system.
6. Grasp the power supply handles located on top of the new power supply. Pivot the power supply
handles upward to 90 degrees. This action puts the handle cams into the correct position to help seat
the power supply into its connector.
7. Carefully insert the new power supply into the power supply bay.
352
EserverpSeries 615 Service Guide
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