IBM System x3300 M4, Installation And Service Manual

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Removing a hot-swap power supply
When you remove or install a hot-swap power supply, observe the following
precautions.
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.
Statement 8
CAUTION:
Never remove the cover on a power supply or any part that has the following
label attached.
Hazardous voltage, current, and energy levels are present inside any component
that has this label attached. There are no serviceable parts inside these
components. If you suspect a problem with one of these parts, contact a service
technician.
To remove a hot-swap power supply, complete the following steps:
Note:
v
If only one hot-swap power supply is installed in the server, you must turn off
the server before removing the power supply.
v
You must install the fan assembly before removing or installing the power
supply.
1. Read the safety information that begins in Safety and “Installation guidelines”
on page 36.
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System x3300 M4 Type 7382: Installation and Service Guide