IBM BladeCenter HT 8740, Problem Determination And Service Manual

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Removing a power module
Attention:
v
To help ensure proper cooling and system reliability, make sure that you replace
a removed power module or filler with a power module or filler within 1 minute.
v
If you are removing a functioning power module, make sure that power LEDs on
the remaining power modules are lit; otherwise, shut down the operating systems
and turn off all of the blade servers, before you proceed. See the documentation
that comes with the blade server for instructions for shutting down the
blade-server operating system and turning off the blade server.
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.
Chapter 4. Removing and replacing BladeCenter HT components
55