Toshiba V Series User Manual page 5

3. Safety Precautions on Maintenance and inspection
WARNING
Mandatory
Turn off power removing or connecting any
modules, boards, or devices.
Otherwise, it can cause electrical shock, or
machine damage.
CAUTION
Forbidden
Be careful not to hit or fall off the equipment
by accident.
Excess shock can cause failure.
Mandatory
Touch a grounded metal part to discharge the
static electricity on your body before touching
the equipment.
Otherwise, charged static electricity on your
body can cause malfunction or failure.
Mandatory
Use soft cloth to clean the equipment.
Use water-dipped and squeezed cloth to clean
it if dirty.
Leaving the equipment dirty can cause
mistaken or malfunction.
6F8C0945
Mandatory
Turn off power removing any modules after
installing.
Otherwise, exposed conductive parts of wire
or on the rear of terminal blocks can cause
electrical shock.
Mandatory
Place any modules or boards removed from
the unit on a conductive mat or conductive
bag (containing a spare board, etc.) on an
grounded desk.
Otherwise, static electricity can damage
components of the module.
Forbidden
Do not apply benzene and thinner when
cleaning the equipment.
Otherwise, it can cause deformity or
discoloration the panel or case of the
equipment.
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