Mitsubishi Electric MELDAS C6 Instruction Manual page 500

(2) S02 AUX SERVO ALM
Alarm
information
0011
0013
0015
0017
0018
0020
0024
(3) S03 AUX SERVO ALM
Alarm
information
0010
0030
0031
0032
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7.11 Auxiliary Axis Alarms
Details
PCB error 1 An error occurred in the drive
(drive circuit error) unit's internal PCB.
Software An error occurred in the drive
processing unit's internal reference clock.
timeout, clock error
EEROM error A write error occurred to the
EEROM in the drive unit.
PCB error An error occurred in the drive
(A/D conversion unit's internal A/D converter.
error)
PCB error An error occurred in the drive
(LSI error) unit's internal LSI.
Detector error An error occurred in the
communication between the
servo drive unit and detector.
Ground fault A ground fault of the output was
detection detected when the power was
turned ON.
Details
Undervoltage The power voltage is 160V or less. • Review the power supply.
Regeneration error The tolerable regeneration power
of the internal regenerative
resistor or external regenerative
option was exceeded.
Regenerative transistor error
Overspeed The motor's speed exceeded the
tolerable momentary speed.
Overcurrent A current exceeding the servo
drive unit's tolerable current
flowed.
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7. List of Alarms
IV - 84
Remedy
• Replace servo drive unit.
• Replace servo drive unit.
• Replace servo drive unit.
• Replace servo drive unit.
• Replace servo drive unit.
• Connect correctly.
• Replace or repair cable.
• Repair the ground fault section.
• Replace the cable or motor.
Remedy
• Replace the servo drive unit.
• 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.
• Replace the servo drive unit.
• Increase the acceleration/
deceleration time constant.
• Review the gear ratio.
• Replace the detector.
• Repair the wiring.
• Replace the servo drive unit.
• Take countermeasures against
noise.