Emotron VSB Instruction Manual Chapter 1 Safety Precautions
Make sure the number of phases of power supply and rated voltage are consistent with
product nameplate. If not, contact the seller or CG Drives & Automation.
Check there are no short circuits in peripheral circuits connected with the drive, and
make sure the connection is tight. Failure to comply may result in equipment damage.
Make sure the motor and associated machinery are within allowable range of service
prior to operation. Failure to comply may result in equipment damage.
Never touch fans, heat sink and braking resistor with bare hands. Failure to comply may
result in equipment damage and/or personal injury.
It is not allowed to start & stop the driver frequently via direct switching power on or off.
Failure to comply may result in equipment damage.
Make sure the drive is in a non-output status before switch-on/switch-off of the drive
output and/or contactor. Failure to comply may result in equipment damage.
1.1.5 Maintenance
Only qualified technicians are allowed to implement the
troubleshooting.
Never implement the maintenance, and troubleshooting before power supply has been
turned off and discharged completely. Failure to comply may result in equipment
damage and/or personal injury.
To avoid an electric shock hazard, wait at least 10 minutes after the power has been
turned off and make sure the residual voltage of the bus capacitors has discharged to
0V before performing any work on the drive.
After the replacement of the drive, be sure to perform the same procedures in strict
accordance with above-noted rules.
Do not touch the electric components with bare hands during maintenance, and
troubleshooting. Failure to do this may result in component damage due to ESD.
All pluggable components can be inserted or pulled out only when power has been
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