Inovance IS300T080-C - Err03 Speed-down Over Current

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Err03
Check if the output loop of the driver is earthed or short circuited
If the motor parameters are tuned
If the speed-down time is too short
Remove troubleshooting
Motor parameter tuning
Prolong the speed-down time
Speed-down over current
Yes
No
Yes
Check if the driver input voltage is too low
Adjust the voltage to normal
range
Yes
No
No
No
V/F Mode
If load is added suddenly during the speed-down
If the brake unit and brake resistor are installed
Cancel the additional load
Install the brake unit and
brake resistor
Yes
No
Ask for technical support
Yes
No
Fig.9-2 Speed-down over current (ERR03)