Toshiba VF-A7 Welding System User Manual


 
6
When selecting the retry mode (Applicable to inverters)
Warning
Reference
Mandatory
-Do not get near the motor.
When the retry mode is selected, the motor and machine that stopped
after an alarm restart unexpectedly after the selected time has passed,
thus causing injury to persons.
-Stick caution labels to the inverter, the motor and the machine, to prevent
accidents due to an unexpected restart of them in retry mode.
6.13.3
About inspection and maintenance
Danger
Reference
Prohibited
-Do not replace any part yourself, or you could get a shock or an injury, or
cause a fire. Request your Toshiba dealer for replacement of parts.
13.2
Mandatory
-Carry out inspection and maintenance on a daily basis. Failure to do so to
find defects in the inverter could lead to accidents.
-Be sure to perform the following preparatory work before proceeding to
inspection.
(1) Turn off the power.
(2) 10 minutes or more after turning off the power, make sure that charge
lamp is extinct.
(3) Using a circuit tester with a D.C. voltage measuring capacity of more
than 800V, check to be sure that the voltage remaining in the D.C.
main circuit (between PA and PC) is below 45V.
Failure to do so could lead to an electric shock.
13.
13.
13.2
About disposal of inverters
Reference
Mandatory
-When you throw away the inverter, have it done by a specialist in
industrial waste disposal*.
If the collection, transport and disposal of industrial waste is dune by
someone who is not licensed, it is punishable as a violation of the law.
(Laws in regard to disposal and cleaning of waste.)
(*)People who specialize in the processing of waste and are known
as "industrial waste collectors and transporters" or "industrial
waste disposal specialists".
15.
Sticking warning labels
Here are examples of caution labels designed to prevent accidents caused by an inverter, a motor or
a machine. When selecting the automatic restart function or the retry function, stick the applicable
label to a conspicuous position.
Warning
Please stick this label to a conspicuous
position when selecting the sequence that
automatically restarts the machine after
recovery from a mini power failure.(An example
of the restart caution label)
Do not get near the motor or the machine. The
motor and the machine which stopped.
Because of a mini power failure, unexpectedly
restart after the preset time has passed.
Warning
(automatic restart function enabled)
Please stick this label to a conspicuous
position when selecting the retry function.
(An example of the retry caution label)
Do not get near the motor or the machine. The
motor and the machine which stopped after
an alarm, unexpectedly restart after the
preset
time has passed.
Warnin
g
(
Retr
y
function enabled
)