IBM QS21 User Guide - Page 15

conditions.

Page 15 highlights

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. Statement 13: DANGER Overloading a branch circuit is potentially a fire hazard and a shock hazard under certain conditions. To avoid these hazards, ensure that your system electrical requirements do not exceed branch circuit protection requirements. Refer to the information that is provided with your device for electrical specifications. Statement 21: CAUTION: Hazardous energy is present when the blade is connected to the power source. Always replace the blade cover before installing the blade. Safety xiii

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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.
Statement
13:
DANGER
Overloading
a
branch
circuit
is
potentially
a
fire
hazard
and
a
shock
hazard
under
certain
conditions.
To
avoid
these
hazards,
ensure
that
your
system
electrical
requirements
do
not
exceed
branch
circuit
protection
requirements.
Refer
to
the
information
that
is
provided
with
your
device
for
electrical
specifications.
Statement
21:
CAUTION:
Hazardous
energy
is
present
when
the
blade
is
connected
to
the
power
source.
Always
replace
the
blade
cover
before
installing
the
blade.
Safety
xiii