Execute no-load OPER
Increase SM Torque COMP Gain
E4-05
If rated FREQ OPER is stable
Increase SM FREQ Hunting Gain
E4-03
Insufficient start
loading capacity
Increase SM LowFREQ Voltage COMP
Level E4-00
Execute load OPER
Decrease SM Torque COMP Gain E4-05
Increase SM Torque COMP Filter E4-06
Increase SM Torque COMP Gain
E4-05
Stable OPER at full speed
Output FREQ
high-FREQ vibration
Output FREQ
low-FREQ vibration
Decrease SM FREQ Hunting Gain E4-03
(Adjust the speed of COMP response
SM FREQ Hunting Filter E4-04)
Increase SM FREQ Hunting Gain E4-03
(Adjust the speed of COMP response
SM FREQ Hunting Filter E4-04)
Insufficient sudden load
response
Increase SM Feed Forward
Voltage Gain E4-02
Finish
Motor resonance
High-freq motor excitation noise, decrease CF setting A5-00
Low-freq motor excitation noise, increase CF Setting A5-00
Motor excitation noise
Low-FREQ vibration or
insufficient load capacity
Output current is too large
No-load current is too large
Accel Time 1 C2-00
Decel Time 1 C2-01