Yaskawa CACR-SRxxBF User Manual
Page 53
5 Maintenance, Inspection and Alarm/Warning Display
5-4
A.510
Overspeed
The servomotor speed is excessively
high.
DB stop
Available
L
H
L
H
A.511
Dividing Pulse Output
Overspeed
The motor speed upper limit of the
set PG dividing pulse (Pn212) is
exceeded.
DB stop
Available
A.520
Vibration Alarm
Vibration at the motor speed was
detected.
DB stop
Available
A.521
Autotuning Alarm
The moment of inertia ratio calcula-
tion error occurred.
DB stop
Available
A.710
Overload: High Load
The motor was operating for several
seconds to several tens of seconds
under a torque largely exceeding rat-
ings.
Zero speed
stop
Available
L
L
L
H
A.720
Overload: Low Load
The motor was operating continu-
ously under a torque largely exceed-
ing ratings.
DB stop
Available
A.730
Dynamic Brake Overload
When the dynamic brake was
applied, rotational energy exceeded
the capacity of dynamic brake resis-
tor.
DB stop
Available
A.740
Overload of Surge
Current Limit Resistor
The main circuit power was fre-
quently turned ON and OFF.
DB stop
Available
A.7A0
Heat Sink Overheated
The heat sink of SERVOPACK over-
heated.
Zero speed
stop
Available
A.810
Encoder Backup Error
All the power supplies for the abso-
lute encoder have failed and position
data was cleared.
DB stop
N/A
H
H
H
H
A.820
Encoder Checksum Error
The checksum results of encoder
memory is incorrect.
DB stop
N/A
A.830
Absolute Encoder Battery
Error
Battery voltage for the absolute
encoder has dropped.
DB stop
Available
A.840
Encoder Data Error
Data in the encoder is incorrect.
DB stop
N/A
A.850
Encoder Overspeed
The encoder was rotating at high
speed when the power was turned
ON.
DB stop
N/A
A.860
Encoder Overheated
The internal temperature of encoder
is too high.
DB stop
N/A
A.b10
Reference Speed Input
Read Error
The A/D converter for reference
speed input is faulty.
Zero speed
stop
Available
A.b11
Speed Reference A/D
Data Error
A/D conversion data of speed refer-
ence is incorrect.
Zero speed
stop
Available
A.b20
Reference Torque Input
Read Error
The A/D converter for reference
torque input is faulty.
Zero speed
stop
Available
A.b31
Current Detection Error1
Phase-U current sensor is faulty.
DB stop
N/A
A.b32
Current Detection Error 2
Phase-V current sensor is faulty.
DB stop
N/A
A.b33
Current Detection Error 3
Phase-W current sensor is faulty.
DB stop
N/A
Table 5.1 Alarm Display Table (cont’d)
Alarm
Display
Alarm Name
Meaning
Servomo-
tor Stop
Method
Alarm
Reset
Alarm Code Output
Servo
Alarm
(ALM)
Output
ALO1
ALO2
ALO3