Toshiba FL654A User Manual page 5

2. Safety Precautions on Maintenance and Inspection
When installing or removing the
module, unit, terminal block, or
wiring cable, make sure that the
Mandatory
external power supply is off.
Otherwise, there will be live electric poles
on the back of the external terminal block
of the module, causing an electric shock.
Do not drop, crush, or apply
strong shocks to the device or
board.
Prohibited
It may cause failure.
Before touching the device or
board, touch a grounded metal to
discharge the static electricity of
Mandatory
your body.
Otherwise, it may cause malfunction or
failure due to static electricity.
Wipe off stain on the device,
module, or board with a soft cloth.
For severe stain, use a wet cloth
Mandatory
wrung tightly.
Leaving them stained may cause wrong
decision or malfunction.
WARNING
Do
hardware of the device, module,
board, or remodel software such
Prohibited
as OS.
Failure, malfunctioning may cause fire,
electric shock, injury.
CAUTION
Place a board or module removed
from the unit or base unit on a
conductive mat or conductive bag
Mandatory
(used for a backup board) on a
grounded table.
Otherwise, parts may be damaged due to
static electricity.
Do not use benzene or thinner to
remove stain on device, module,
or board.
Prohibited
It may cause deformation or discoloration
of the device panel, module, or board.
Unified Controller nv Series FL-net Remote I/O Station Module FL654A User's Manual
not disassemble, modify
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