Lenovo System x3630 M4, Installation And Service Manual

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Step 5. Release the latch and use other hand to provide support to the power supply as you pull remaining
portion out of the bay.
Step 6. If you are instructed to return the power supply, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Replacing a hot-swap ac power supply
Use this information to replace a hot-swap ac power supply.
The following items describe the type of power supply that the server supports and other information that
you must consider when you install a power supply:
• To confirm that the server supports the power supply that you are installing, see http://www.lenovo.com/
serverproven/.
• The server comes standard with one 550-watt or 750-watt or 900-watt hot-swap power supply. The
input voltage is 110 V ac or 220 V ac auto-sensing.
Note: You cannot mix 110 V ac and 220 V ac, or 550-watt, 750-watt and 900-watt power supplies in
the server, it is not supported.
• These power supplies are designed for parallel operation. In the event of a power-supply failure, the
redundant power supply continues to power the system. The server supports a maximum of two
power supplies.
• The server can run fully configured with one power supply. For redundancy support, you must install
the second hot-swap power supply.
Note: You cannot mix high-efficiency and non-high-efficiency power supplies in the server.
Statement 5
CAUTION:
The power control button on the device and the power switch on the power supply do not turn off
the electrical current supplied to the device. The device also might have more than one power
cord. To remove all electrical current from the device, ensure that all power cords are disconnected
from the power source.
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Statement 8
Chapter 6
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Removing and replacing components
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