1. LIST OF ALARMS
1.8 Auxiliary Axis Alarms
I - 36
(2) S02 AUX SERVO ALM
Alarm
information
Details Remedy
0011
PCB error 1
(drive circuit error)
An error occurred in the drive
unit's internal PCB.
• Replace servo drive unit.
0013
Software
processing
timeout, clock error
An error occurred in the drive
unit's internal reference clock.
• Replace servo drive unit.
0015
EEROM error A write error occurred to the
EEROM in the drive unit.
• Replace servo drive unit.
0017
PCB error
(A/D conversion
error)
An error occurred in the drive
unit's internal A/D converter.
• Replace servo drive unit.
0018
PCB error
(LSI error)
An error occurred in the drive
unit's internal LSI.
• Replace servo drive unit.
0020
Detector error An error occurred in the
communication between the
servo drive unit and detector.
• Connect correctly.
• Replace or repair cable.
0024
Ground fault
detection
A ground fault of the output was
detected when the power was
turned ON.
• Repair the ground fault section.
• Replace the cable or motor.
(3) S03 AUX SERVO ALM
Alarm
information
Details Remedy
0010
Undervoltage The power voltage is 160V or
less.
• Review the power supply.
• Replace the servo drive unit.
The tolerable regeneration power
of the internal regenerative
resistor or external regenerative
option was exceeded.
• Set the parameter #002 correctly.
• Connect correctly.
• Lower the positioning frequency.
• Change the regenerative option
to a larger capacity.
• Lower the load.
• Review the power supply.
0030
Regeneration error
Regenerative transistor error • Replace the servo drive unit.
0031
Overspeed The motor's rotation speed
exceeded the tolerable
momentary speed.
• Increase the acceleration/
deceleration time constant.
• Review the gear ratio.
• Replace the detector.
0032
Overcurrent A current exceeding the servo
drive unit's tolerable current
flowed.
• Repair the wiring.
• Replace the servo drive unit.
• Take countermeasures against
noise.
