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5. Connect the power cord to the power cord connector on the new hot-swap redundant power supply.
Then, check the status LED near the power cord connector. When the LED is lit in green, it indicates
that the hot-swap redundant power supply is working correctly. When the LED is lit in amber, it
indicates that the hot-swap redundant power supply is likely to fail or has failed. You might need to
reinstall or replace it.
6. If you are instructed to return the old hot-swap redundant power supply, follow all packaging instructions
and use any packaging materials that are supplied to you for shipping.
Installing or replacing a heat sink
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 69.
This topic provides instructions on how to install or replace a heat sink.
CAUTION:
The heat sink might be very hot. Turn off the server and wait three to ve minutes to let the server
cool before removing the server cover.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
To install or replace a heat sink, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a at,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server.
3. Remove the server cover. See “Removing the server cover” on page 71.
4. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 76.
5. Locate the heat sink or the place for installing the second heat sink. See “Server components” on
page 29.
Chapter 6. Installing, removing, or replacing hardware 111