Maxsine EP3 AC Series, User Manual

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Chapter 7 Alarm
204
Err12 (Over-current)
Potential cause Check Handle
Short-circuit at drive
output (U
、 V 、 W)
Check the wiring
connections between servo
driver and servomotor. Repair or replace the
short-circuited wiring.
Motor winding insulation
is damaged Check the servomotor Replace the servomotor.
Servo driver is damaged Check the servo driver Known the servomotor to be
nofault, and then turn on the
power supply again, if the alarm
still exists, the servo driver may
damage possibly. Replace the
servo driver.
Err13 (Over-load)
Potential cause Check Handle
Excess the rated load for
continuous duty operation Check the load factor Reduce load or replace the servo
driver with bigger one.
System unstable Check the oscillation when
servomotor is in running Reduce the gains of the system
Acceleration/deceleration is
too short Check the smoothness
when servomotor is in
running Increasing
acceleration/deceleration time
setting.
Encoder zero point changes Check the encoder zero
point
Install the encoder again and adjust
the zero point.