11.2 Alarm Displays
11-5
Inspection, Maintenance, and
Troubleshooting
1
1
11.2.1
List of Servo Drive Alarms
The following table shows the list of servo drive alarms.
Alarm
Display
Alarm Name
Meaning
Motor Stop
Method
Alarm
Reset
A.020
Parameter Checksum Error
The data of the parameter in the SERVOPACK is incorrect.
Gr.1
N/A
A.021
Parameter Format Error
The data format of the parameter in the SERVOPACK is
incorrect.
Gr.1
N/A
A.022
System Checksum Error
The data of the parameter in the SERVOPACK is incorrect.
Gr.1
N/A
A.029
Motor Parameter Checksum
Error
The motor parameter data in the SERVOPACK is incorrect.
Gr.1
N/A
A.02C
Converter Parameter
Checksum Error
The data of the parameter in the power regeneration con-
verter is incorrect.
Gr.1
N/A
A.02D
Converter Parameter Format
Error
The format of the parameter in the power regeneration con-
verter is incorrect.
Gr.1
N/A
A.02E
Converter System Checksum
Error
The data of the parameter in the power regeneration con-
verter is incorrect.
Gr.1
N/A
A.030
Main Circuit Detector Error
Detection data for main circuit is incorrect.
Gr.1
Available
A.040
Parameter Setting Error
The parameter setting in the SERVOPACK is outside the
allowable setting range.
Gr.1
N/A
A.042
Parameter Combination Error
Combination of some parameters exceeds the setting range.
Gr.1
N/A
A.04B
Converter Parameter Setting
Error
The parameter setting in the power regeneration converter is
outside the allowable setting range.
Gr.1
N/A
A.050
Combination Error
The SERVOPACK and the motor capacities do not match
each other.
Gr.1
Available
A.051
Unsupported Device Alarm
The device unit unsupported was connected.
Gr.1
N/A
A.052
Motor Type Setting Mismatch
The motor type/Application selection setting (Pn01E.0) does
not match the motor parameter written inside the SERVO-
PACK.
Gr.1
N/A
A.053
Winding Selection Setting
Mismatch
The Winding Change Setting (Pn01E.1) does not match the
motor parameter written inside the SERVOPACK.
Gr.1
N/A
A.054
Unsupported Winding
Selection Alarm
The combination of the SERVOPACK and motor does not
support winding selection.
Gr.1
N/A
A.05A
Induction Motor Combination
Error
The capacity of the spindle motor is outside of the range that
can be combined.
Gr.1
Available
A.05B
Converter Combination Error
The converter and SERVOPACK are not combined cor-
rectly.
Gr.1
N/A
A.0B0
Cancelled Servo ON
Command Alarm
The host controller reference was sent to turn the Servo ON
(Enable operation) after the Servo ON function was used
with the utility function.
Gr.1
Available
A.100
Overcurrent
An overcurrent flowed through the IGBT.
Heat sink of the SERVOPACK was overheated.
Gr.1
N/A
A.10A
Converter Overcurrent
An overcurrent flowed through the power transistor inside
the power regeneration converter.
Gr.1
N/A
A.11A
Converter Ground Fault
A ground fault occurred inside the power regeneration con-
verter.
Gr.1
N/A
A.22A
Converter Fuse Blowout
The fuse of the main power supply inside the power regener-
ation converter is blown out.
Gr.1
N/A
A.400
Overvoltage
The DC-bus voltage inside the SERVOPACK is excessively
high.
Gr.1
Available
A.40A
Converter Overvoltage
The DC-bus voltage inside the power regeneration con-
verter is abnormally high.
Gr.1
Available
A.40B
Converter AC Overvoltage
The AC power supply voltage inside the power regeneration
converter is abnormally high.
Gr.1
Available
A.40C
Abnormal Voltage in Converter
Main Circuit
An error occurred in the main circuit of the power regenera-
tion converter.
Gr.1
Available
A.410
Undervoltage
The DC-bus voltage is excessively low.
Gr.2
Available
