Yaskawa Sigma-5 User Manual: Design and Maintenance - Linear Motors MECHATROLINK-III Communications Reference - Manual (Page 264)

8.1 Alarm Displays
8-3
8
Trou
blesh
ooting
A.330
Main Circuit Power
Supply Wiring Error
• Setting of AC input/DC input is incorrect.
• Power supply wiring is incorrect.
Gr.1 Available
A.400 Overvoltage Main circuit DC voltage is excessively high. Gr.1 Available
A.410 Undervoltage Main circuit DC voltage is excessively low. Gr.2 Available
A.450
Main-Circuit
Capacitor Overvoltage
The capacitor of the main circuit has deteriorated or is
faulty.
Gr.1 N/A
A.510 Overspeed The servomotor speed is above the maximum speed. Gr.1 Available
A.511
Overspeed of Encoder
Output Pulse Rate
The motor speed upper limit of the set encoder output
resolution (Pn281) is exceeded.
Gr.1 Available
A.520 Vibration Alarm Incorrect vibration at the motor speed was detected. Gr.1 Available
A.521 Autotuning Alarm
Vibration was detected while performing tuning-less
function.
Gr.1 Available
A.550
Maximum Speed Setting
Error
The Pn385 setting is greater than the maximum speed. Gr.1 Available
A.710 Overload: High Load
The servomotor was operating for several seconds to
several tens of seconds under a force largely exceeding
ratings.
Gr.2 Available
A.720 Overload: Low Load
The servomotor was operating continuously under a
force exceeding ratings.
Gr.1 Available
A.730
A.731
Dynamic Brake Overload
When the dynamic brake was applied, moving energy
exceeded the capacity of dynamic brake resistor.
Gr.1 Available
A.740
Overload of Surge
Current Limit Resistor
The main circuit power was frequently turned ON and
OFF.
Gr.1 Available
A.7A0 Heat Sink Overheated The heat sink of the SERVOPACK exceeded 100 °C. Gr.2 Available
A.7AB
Built-in Fan in SERVO-
PACK Stopped
The fan inside the SERVOPACK stopped. Gr.1 Available
A.820 Encoder Checksum Error
The checksum results of linear scale memory is incor-
rect.
Gr.1 N/A
A.840 Encoder Data Error Data in the linear scale is incorrect. Gr.1 N/A
A.850 Encoder Overspeed
The linear scale was moving at high speed when the
power was turned ON.
Gr.1 N/A
A.860 Encoder Overheated The internal temperature of linear scale is too high. Gr.1 N/A
A.861 Motor Overheated The internal temperature of motor is too high. Gr.1 N/A
A.890 Encoder Scale Error A linear scale fault occurred Gr.1 N/A
A.891 Encoder Module Error Linear scale is faulty. Gr.1 N/A
A.A
*1
SERVOPACK: Command
Option Module Alarms
− − −
A.b31 Current Detection Error 1 The current detection circuit for phase U is faulty. Gr.1 N/A
A.b32 Current Detection Error 2 The current detection circuit for phase V is faulty. Gr.1 N/A
A.b33 Current Detection Error 3 The detection circuit for the current is faulty. Gr.1 N/A
A.b6A
MECHATROLINK
Communications
ASIC Error 1
ASIC error occurred in the MECHATROLINK com-
munications.
Gr.1 N/A
A.b6b
MECHATROLINK
Communications
ASIC Error 2
ASIC error occurred in the MECHATROLINK com-
munications.
Gr.2 N/A
A.bF0 System Alarm 0
"Internal program error 0" of the SERVOPACK
occurred.
Gr.1 N/A
∗1. These alarms occur in SERVOPACKs with command option modules.
For details, refer to the manual for the command option module that is connected.
(cont’d)
Alarm
Number
Alarm Name Meaning
Servo-
motor
Stopping
Method
Alarm
Reset