YASKAWA E-S Series User Manual

10.1 Alarm and Warning Displays
10.1.2 List of Alarms
10-3
10
Maintenance
An example of the System Monitor Dialog Box when an alarm has occurred is shown below.
10.1.2 List of Alarms
The list of alarms gives the alarm name, alarm meaning, and alarm reset possibility,* in order of
the alarm numbers.
* Yes:You can use an alarm reset to clear the alarm. However, this assumes that the cause of the alarm has been
removed.
No: You cannot clear the alarm.
Alarm
Number
Alarm Name Alarm Meaning
Alarm Reset
Possible?
A.020 Parameter Checksum Error
There is an error in the parameter data in the
SERVOPACK.
No
A.021 Parameter Format Error
There is an error in the parameter data format in
the SERVOPACK.
No
A.022 System Checksum Error
There is an error in the parameter data in the
SERVOPACK.
No
A.030 Main Circuit Detector Error There is an error in the voltage detection data. Yes
A.040 Parameter Setting Error
A parameter setting is outside of the setting
range.
No
A.042 Parameter Combination Error
The combination of some parameters exceeds
the setting range.
No
A.04A Parameter Setting Error 2
A PnB parameter setting is outside of the
setting range.
No
A.050 Combination Error
A Servomotor with an unsupported capacity is
selected in the parameters.
Yes
A.051 Unsupported Device Alarm
An unsupported Servomotor was selected in
the parameters.
No
A.0B0
Invalid SERVO ON Command
Alarm
The /S-ON (SERVO ON) signal was input from
the host controller after a SigmaWin+ function
that supplies power to the Servomotor was
executed.
Yes
A.100 Overcurrent Detected
An overcurrent flowed through the power tran-
sistor.
No
A.400 Overvoltage
The main circuit DC voltage is too high (32 V or
higher).
Yes
A.510 Overspeed The motor exceeded the maximum speed. Yes
A.6B0
Emergency Stop Operation Fail-
ure
The motor did not stop within 10 s of when the
emergency stop signal was input.
Yes
A.710 Instantaneous Overload
The Servomotor was operating for several sec-
onds to several tens of seconds under a torque
that largely exceeded the rating.
Yes
A.720 Continuous Overload
The Servomotor was operating continuously
under a torque that exceeded the rating.
Yes
A.840 Encoder Data Alarm
The amplitude of the encoder signal is too small
or an error occurred in the A/D converter.
No
Continued on next page.

YASKAWA E-S Series Specifications

General

Brand	YASKAWA
Model	E-S Series
Category	Servo Drives
Language	English