Lenovo RD120 User Guide - Page 80

serviceable

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Installed power supplies Power supply 1 Power supplies 1 and 2 Statement 8: Required Fans in locations 3, 4, 8, 9, and 10 All 10 fans 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. 1 Hot-swap power supply 2 2 Power-supply-filler release lever 3 Power supply filler To install an ac power supply, complete the following steps: 66 ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide

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Installed
power
supplies
Required
Power
supply
1
Fans
in
locations
3,
4,
8,
9,
and
10
Power
supplies
1
and
2
All
10
fans
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.
±1²
Hot-swap
power
supply
2
±2²
Power-supply-filler
release
lever
±3²
Power
supply
filler
To
install
an
ac
power
supply,
complete
the
following
steps:
66
ThinkServer
RD120
Types
6444,
6445,
6446,
and
6447:
User
Guide