Toshiba VF-A7 Welding System User Manual


 
C-1
Danger
Prohibited
Do not touch any inverter's terminal when the inverter is energized even if the
motor is at a standstill, or you could get a shock.
Do not operate switches with a wet hand or not wipe it with a wet cloth, or you
could get a shock.
Do to get near the alarm-stopped motor when the inverter is in retry mode, or you
could get an injury. Safety measures, for example, attach a cover to the motor, to
protect persons from accidents when the motor unexpectedly restarts.
Mandatory
Do not turn on the power before attaching the front cover (or closing the do or of
the cabinet in which the inverter is installed), or you could get a shock.
Turn off the power immediately in case the inverter smokes, smells strangely, or
produce abnormal noise. Failure to do so could lead to a fire. If any defect is found,
request your Toshiba dealer for repair.
Turn off the power before leaving the inverter out of operation for a long period of
time.
Do not turn on the power before attaching the front cover. When the inverter is
installed in a cabinet with the inverter's front panel detached, always close the
door of the cabinet before turning on the power. Turning on the power with the
cover or the door left opened could lead to an electric shock.
Turn off the operation signal before resetting the inverter after trouble, or the
motor unexpectedly restarts, causing injury to persons.
Warning
Never touch
Do not touch any heat radiating fin or heat radiating resistor, or you could get a
burn since they become very hot during operation.
Mandatory
Operate the motor always within the allowable operation range. (Refer to the
motor's instruction manual for its allowable operation range.) Failure to do so
could cause injury to persons.
3. Operating the inverter