Toshiba Tosvert VF-S15 Instruction Manual page 6

 Ground must be connected securely.
If the ground is not securely connected, it could lead to electric shock or fire.
Be Grounded
 Do not attach devices with built-in capacitors (such as noise filters or surge absorbers) to
the output (motor side) terminals.
This could cause a fire.
Prohibited
 Operations
 Never touch the internal connector while the upper terminal cover of control panel is
opened.
There is a risk of electrical shock because it carries a high voltage.
 Do not touch inverter terminals when electrical power is going to the inverter even if the
motor is stopped.
Touching the inverter terminals while power is connected to it will result in electric shock.
 Do not touch switches when the hands are wet and do not try to clean the inverter with a
Prohibited
damp cloth.
Such practices will result in electric shock.
 Do not go near the motor in alarm-stop status when the retry function is selected.
The motor will suddenly restart and that could result in injury.
Take measures for safety, e.g. attaching a cover to the motor, against accidents when the
motor unexpectedly restarts.
 Turn the input power on only after attaching the terminal block cover.
When enclosed inside a cabinet and used with the terminal block cover removed, always
close the cabinet doors first and then turn the power on. If the power is turned on with the
terminal block cover or cabinet doors open can result in electric shock.
 Make sure that operation signals are off before resetting the inverter after malfunction.
If the inverter is reset before turning off the operating signal, the motor can restart
Mandatory
suddenly, resulting in injury.
action
 Set a region correctly with the set up menu.
If the setting is incorrect, the drive will have no work, some damages or unexpected
movements. Be sure to set the setup menu correctly.
 Observe all permissible operating ranges of motors and mechanical equipment. (Refer to
the motor's instruction manual.)
Not observing these ranges will result in injury.
 Do not set the stall prevention level () extremely low.
If the stall prevention level parameter () is set at or below the no-load current of
the motor, the stall preventive function will be always active and increase the frequency
Prohibited
when it judges that regenerative braking is taking place.
Do not set the stall prevention level parameter () below 30% under normal use
conditions.
Warning
Caution
Warning
Caution
5
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I
Reference
section
2.1
2.2
10.
Reference
section
2.1
Reference
section
1.3.2
3.
3.
3.
3.
3.
3.1
Reference
section
3.
6.29.2