8.1 Alarm Displays
136
8.1 Alarm Displays
Alarm displays, names, and meanings are listed below.
If an alarm occurs, the servomotor can be stopped by doing either of the following operations.
• Stop by dynamic brake: Stops the servomotor immediately using the dynamic brake.
• Zero-speed stop: Stops the servomotor by setting the speed reference to “0.”
Alarm
Display
Alarm Name Meaning Servomotor
Stop
Method
Alarm
Reset
A.020
Parameter Error 0 The data of the parameter in the SERVO-
PACK is incorrect.
DB stop N/A
A.021
Parameter Error 1 The data of the parameter in the SERVO-
PACK is incorrect.
DB stop N/A
A.022
Parameter Error 2 The data of the parameter in the SERVO-
PACK is incorrect.
DB stop N/A
A.023
Parameter Error 3 The data of the parameter in the SERVO-
PACK is incorrect.
DB stop N/A
A.030
Main Circuit Detector
Error
Detection data for the main circuit is incor-
rect.
DB stop Available
A.040
Parameter Setting Error The parameter setting is outside the allow-
able setting range.
DB stop N/A
A.051
Unsupported Product
Alarm
SERVOPACK is faulty. DB stop N/A
A.0b0
Servo ON Reference
Invalid Alarm
After the servo ON signal was sent through
the CX-Drive, the SV_ON command of the
MECHATROLINK-II was sent.
DB stop Available
A.100
Overcurrent An overcurrent flowed through the IGBT or
the SERVOPACK heat sink was over-
heated.
DB stop N/A
A.280
Emergency Stop An emergency stop signal was input while
the servomotor were running.
DB stop Available
A.400
Overvoltage The main circuit DC voltage is excessively
high.
DB stop Available
A.410
Undervoltage The power supply was turned ON again
before the SERVOPACK power supply was
cut off.
Zero-speed
stop
Available
A.510
Overspeed The servomotor speed is excessively high. DB stop Available
A.710
Overload: High load The servomotor was operating for several
seconds to several tens of seconds under
a torque largely exceeding the rating.
Zero-speed
stop
Available
A.720
Overload: Low load The servomotor was operating continu-
ously under a torque exceeding the rating.
DB stop Available
A.730
Dynamic Brake Overload The servomotor did not stop three seconds
or more after the servo was turned OFF.
Zero-speed
stop
Available
A.7AA
Board Overheated The temperature inside the SERVOPACK
increased excessively.
Zero-speed
stop
Available
A.7Ab
SERVOPACK Built-in Fan
Stop
The SERVOPACK built-in fan stopped. Zero-speed
stop
N/A
TOEP_C710806_03A_1_0.book Seite 136 Montag, 2. Juli 2007 3:55 15
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