Toshiba G3 - Safety Precautions on Maintenance and Inspection; Module Handling and Static Electricity Prevention

Unified Controller nv series G3 I/O Adapter (GA932) Module Instruction Manual
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2. Safety Precautions on Maintenance and Inspection
WARNING
Mandatory
When installing or removing
the module after wiring, turn
off the external power.
Otherwise, causing an electric shock
by touching conductive part.
CAUTION
Prohibited
Do not drop, crush, or apply
strong shocks to the device or
board.
It may cause failure.
Mandatory
Before touching the device or
board, touch a grounded
metal to discharge the static
electricity of your body.
Otherwise, it may cause malfunction or
failure due to static electricity.
Mandatory
Wipe off stain on the device,
module, or board with a soft
cloth.
For severe stain, use a wet cloth wrung
tightly.
Leaving them stained may cause wrong
decision or malfunction.
Mandatory
Place a board or module
removed from the unit or base
unit on a conductive mat or
conductive bag (used for a
backup board, etc.) on a
grounded table.
Otherwise, parts may be damaged due
to static electricity.
Prohibited
Do not use benzene or thinner
to remove stain on device,
module, or board.
It may cause deformation or
discoloration of the device panel,
module, or board.