IS300 Series Servo Drive User Manual Troubleshooting
- 45 -
■ Err03 (Over-current During Deceleration)
Err03
Check whether the servo drive output
circuit is earthed or short circuited .
Check whether performing motor tuning properly .
Check whether deceleration time is too short .
Check whether the servo drive ’s
input voltage is too low .
Check whether load is added suddenly
during acceleration .
No
No
No
No
Contact the agent or our company .
Eliminate external faults .
Perform motor tuning .
Increase deceleration time .
Adjust the input voltage to
normal range .
Take away the added load.
Yes
No
Yes
Yes
Yes
V/F mode
Check whether braking unit and
braking resistor are installed .
Yes
No
Install the braking unit and
braking resistor .
■ Err04 (Over-current at Constant Speed)
Err04
Check whether the servo drive output
circuit is earthed or has leakage current .
Check whether performing motor tuning properly .
Check whether load is added suddenly
during acceleration .
No
Yes
No
Increase the capacity level of the servo drive .
Eliminate external faults .
Install an output reactor if
the cable is too long .
Perform motor tuning .
Take away the added load.
Yes
No
Yes
Check whether the load can be reduced.
No
Yes
Reduce the load.