HNC Electric HV590 Series, User Manual

Page: 144 / 192

130
Section VI. Fault Diagnosis & Solutions
countermeasures 2
、
Adjust manual torque boost or V/F curve
3
、
Adjust voltage to normal range
4
、
Eliminate external faults
5
、
Parameter identification
6
、
Select speed tracking start or restart after motor stop
7
、
Cancel sudden added load
8
、
Choose inverter of greater power level
Fault name
Deceleration over current
Panel display Fault No.3= Err03
Fault investigation
1
、
Inverter output loop grouded or short circuit
2
、
Vector control mode without parameter identification
3
、
Deceleration time too short
4
、
Low voltage
5
、
Sudden load add in deceleration process
6
、
No braking unit and brake resistence installed
Fault
countermeasures
1
、
Eliminate external faults
2
、
Parameter identification
3
、
Increase deceleration time
4
、
Adjust voltage to normal range
5
、
Cancel sudden added load
6
、
Install braking unit and brake resistence
Fault name
Constant speed over current
Panel display Fault No.4= Err04
Fault investigation
1
、
Inverter output loop grouded or short circuit
2
、
Vector control mode without parameter identification
3
、
Low voltage
4
、
Sudden load add in deceleration process
5
、
Small type selection of inverter
Fault
countermeasures
1
、
Eliminate external faults
2
、
Parameter identification
3
、
Adjust voltage to normal range
4
、
Cancel sudden added load
5
、
Choose inverter of greater power level
Fault name
Acceleration over voltage
Panel display Fault No.5= Err05
Fault investigation
1
、
No braking unit and brake resistence installed
2
、
High input voltage
3
、
External force drive motor operation during acceleration process
4
、
Acceleration time too short
Fault
countermeasures
1
、
Install braking unit and brake resistence
2
、
Adjust voltage to normal range
3
、
Cancel external force or install brake resistence