6 Troubleshooting
- 47 -
Output short-circuit or current leakage?
auto tuning succeeds
？
Shock load during running?
Fix the wrong wirings
; if output cable is too long please install
output reactor
Conduct auto tuning
Remove shock load
Overcurrent during constant speed
Yes
No
Yes
Load can be reduced?
Reduce load
Yes
No
Yes
No
No
Use a high rating drive
Input voltage too high?
Motor was driven by external force?
Acceleration time too short?
Adjust the power supply
Remove external force or
install braking resistor
Increase the time
Overvoltage during acceleration
Yes
Yes
Yes
Braking resistor installed?
Install braking resistor
No
No
No
No
Yes
Seek for support
