General Malfunction Examination Method - BONFIGLIOLI Vectron Syn10 S115 01 Operating Instructions Manual

General Malfunction Examination Method

ABNORMALITY CHECK POINT
Motor
Is the power source voltage delivered to
Inoperative
L1, L2 terminal (is the charging indicator
illuminated)?
Is there voltage output from output
terminal T1, T2 and T3?
Is the motor wired correctly?
Is there any abnormal condition of the
inverter?
Is the forward or reverse instruction
loaded?
Is the analog frequency setting loaded?
Motor
Inoperative
If the operation mode setting correct?
Is wiring on the output terminals T1, T2
Motor operate in
and T3 correct?
opposite direction
Is the wiring for the forward and reverse
signals correct?
Is the wiring for analog frequency input
correct?
Motor operation
speed fixed
Is the operation mode setting correct?
Is the loading too heavy?
Is the specification of motor (poles,
voltage) correct?
Motor operation
at speed too
Is the gear ratio correct?
high or too low
Is the highest output frequency setting
correct?
Is the voltage on motor side reduced
extremely?
Is the loading too heavy?
Abnormal speed
variation at
Is the loading variation too large?
operation
Is the input power source steady and
stable?
COUNTERMEASURE
Check if the power source on.
Turn power source OFF and then ON
again.
Reconfirm the power voltage level.
Turn power source OFF and then ON
again.
Check motor wiring.
Refer to malfunction handling
instructions to examine and correct
wiring.
Check to see if wiring for analog
frequency input signal is correct?
Check if the frequency input setting
voltage is correct?
Operate by digital?
Wiring should be in accordance with the
U, V, W terminals of motor.
Examining the wiring and correct it.
Examining the wiring and correct it.
Check the Operation panel
Reduce loading
Reconfirm motor specification.
Reconfirm gear ratio
Reconfirm highest output frequency
Reduce loading variation
Increase inverter and motor capacity
Install AC reactor on the power supply
input side
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