Operating Instructions
Fault Codes
Digital Keypad
302 | 443
Fault Codes
Digital Keypad
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
1
Over-current during
acceleration (ocA)
Output current exceeds three times of the rated
current during acceleration.
When ocA occurs, the drive closes the gate of the
output immediately, the motor runs freely, and the
display shows an ocA error.
Action and Reset
Action level
300% of the rated current
Action time
Immediately act
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Reset in five seconds after the fault is cleared
Record
Yes
Cause
Corrective Actions
Acceleration time is too short
● Increase the acceleration time
● Increase the acceleration time of S-curve
● Set auto-acceleration and auto-deceleration parameter (Pr.01-44)
● Set over-current stall prevention function (Pr.06-03)
● Replace the drive with a larger capacity model.
Short circuit at motor output due
to poor insulation wiring
Check the motor cable and remove causes of the short circuits, or replace
the cable before turning on the power.










