Inovance MD300A-S0.2BA - Page 59

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Deceleration overvoltage
Whether the input voltage is too high
Whether there is external force
driving the motor during the operation
Seek for technical support from
the manufacturer or supplier
Y
Y
N
N
A
djust the voltage to normal
Remove the external force
or install braking resistor
Deceleration overvoltage
Whether the input voltage is too high
Whether there is external force
driving the motor during the operation
Seek for technical support from
the manufacturer or supplier
Y
Y
N
N
A
djust the voltage to normal
Remove the external force
or install braking resistor
Figure 7-7 Constant speed overvoltage (ERR07)
Undervoltage fault
Whether there exists transient power cut
Check if the input end voltage of the
inverter exceeds the allowable range
Whether the control board has been restored
Seek for technical support from
the manufacturer or the supplier
Inverter reset
Adjust the voltage to normal
Fault of control board
Undervoltage fault
Whether there exists transient power cut
Check if the input end voltage of the
inverter exceeds the allowable range
Whether the control board has been restored
Seek for technical support from
the manufacturer or the supplier
Inverter reset
Adjust the voltage to normal
Fault of control board
Fig. 7-8 Undervoltage fault (ERR09)