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1.1.6 Maintenance
Notice:
All the instruction photographs and diagrams of opened drive in this manual are only for
illustration. Do not attempt to operate any AC drives with the cover opened.
1.2 Warning Label
The warning label is on the front of the drive. Please read it carefully and follow the
instructions.
1. Do not start or stop the drive by connection or disconnection the power supply. Failure
to comply could cause drive damage.
2. Ensure the motor and equipment are in proper use before operation. Failure to; comply
could damage the equipment.
3. The temperature of the braking resistor and heatsink could be very high during
operation. Do not touch it or it could result in scald.
4. For lift applications, please install mechanical brakes.
5. Adjust a few parameters only if necessary as the defaults are optimum settings for most
of applications. Editing parameters indiscriminately could cause equipment abnormal
operation.
6. Interlock the electricity supply with AC drive supply when both are available to a motor.
1. Do not touch the main circuit of the drive when power is on. Failure to comply could
cause electrical shocks.
2. Disconnect the power supply before opening the front cover of the drive.
3. Maintain the drive 5 minutes after turning off power supply, so as to avoid charged
capacitors causing physical injury.
4. Allow only qualified electric engineers and electrician to maintain, repair and replace the
AC drive modules.
1. The release of breaker on the AC drive primary side could be caused by incorrect wiring,
short circuit and damaged drive components. Investigate and remove the problem
before reconnecting the breaker.
2. Do not use a megger (insulation resistor) to test the drive control circuit. Failure to
comply could cause drive damage.
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