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