Sinee EM500 - During Operation; Maintenance

EM500 Open-Loop Vector Control Inverter User Manual
6
please cut off the power supply immediately. Never touch any terminal of R, S or T of
inverter or the connecting terminals with hands or a screw driver, or else an electric shock
accident may occur. Contact our customer service personnel immediately after cutting off
the power.
3. After being powered on, inverter will automatically check the safety of the external
strong circuit automatically. Therefore, do not touch wiring terminal U, V or W of inverter
or the wiring terminal of the motor with bare hands, otherwise it will result in electric
shock.
Caution
1
、
If you need to check parameter settings, be careful of personal safety when the motor
is running so as to avoid accidents.
2、 Do not change default parameter setting without approval to avoid damage.
During Operation:
Danger
1、 Never touch cooling fan, heat sink or discharge resistor with bare hands for checking
temperature, which may result in burning!
2、 Only qualified technicians are allowed to detect signal during operation so as to
prevent personal injury or device damage.
Caution
1、 Prevent any foreign items from being dropped into the device during operation, so as
to avoid damage to the device.
2、 Do not control the start/stop of inverter by ON/OFF of the contactor so as to avoid
damage to the device.
Maintenance:
Danger
1、 Maintain and inspect the device only after inverter is powered off for at least 10
minutes to avoid electric shock.
2、 Maintain and inspect inverter only after its main circuit is powered off and CHARGE
indicator is off. Otherwise, the residual electric charge of capacitor may result in personal