Yaskawa CACR-SRxxBF - 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