Voltage-Selection Switch; Safety Inspection Guide - Lenovo ThinkCentre 3026 Maintenance Instructions Manual
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- Hardware maintenance manual (578 pages) ,
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v Always look carefully for possible hazards in your work area. Examples of these
v Do not touch live electrical circuits with the reflective surface of a plastic dental
v Do not service the following parts with the power on when they are removed
v If an electrical accident occurs:
Voltage-selection switch
Some computers are equipped with a voltage-selection switch located near the
power-cord connection point on the computer. If your computer has a
voltage-selection switch, ensure that you set the switch to match the voltage
available at your electrical outlet. Setting the voltage-selection switch incorrectly
can cause permanent damage to the computer.
If your computer does not have a voltage-selection switch, your computer is
designed to operate only at the voltage provided in the country or region where
the computer was originally purchased.
If you relocate your computer to another country, be aware of the following:
v If your computer does not have a voltage-selection switch, do not connect the
v If your computer has a voltage-selection switch, do not connect the computer to
If you are not sure of the voltage provided at your electrical outlet, contact your
local electric company or refer to official Web sites or other literature for travelers
to the country or region where you are located.
Safety inspection guide
The intent of this inspection guide is to assist you in identifying potentially unsafe
conditions on these products. Each machine, as it was designed and built, had
required safety items installed to protect users and service personnel from injury.
This guide addresses only those items. However, good judgment should be used to
identify potential safety hazards due to attachment of features or options not
covered by this inspection guide.
hazards are moist floors, nongrounded power extension cables, power surges,
and missing safety grounds.
mirror. The surface is conductive; such touching can cause personal injury and
machine damage.
from their normal operating places in a machine:
– Power supply units
– Pumps
– Blowers and fans
– Motor generators
and similar units. (This practice ensures correct grounding of the units.)
– Use caution; do not become a victim yourself.
– Switch off power.
– Send another person to get medical aid.
computer to an electrical outlet until you have verified that the voltage provided
is the same as it was in the country or region where the computer was originally
purchased.
an electrical outlet until you have verified that the voltage-selection switch is set
to match the voltage provided in that country or region.
Chapter 2. Safety information
5
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