YASKAWA SGDV SERVOPACK, User Manual

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9 Troubleshooting
9.1.1 List of Alarms
9-4
A.b10
Speed Reference A/D

Error
The A/D converter for speed reference input
is faulty.
Gr.2 Available
H H H
A.b11
Speed Reference A/D
Data Error
A/D conversion data of speed reference
input is incorrect.
Gr.2 Available
A.b20
Reference Force Input
Read Error The A/D converter for force reference input
is faulty.
Gr.2 Available
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.bF0 System Alarm 0
"Internal program error 0" of the SERVO-
PACK occurred.
Gr.1 N/A
A.bF1 System Alarm 1
"Internal program error 1" of the SERVO-
PACK occurred.
Gr.1 N/A
A.bF2 System Alarm 2
"Internal program error 2" of the SERVO-
PACK occurred.
Gr.1 N/A
A.bF3 System Alarm 3
"Internal program error 3" of the SERVO-
PACK occurred.
Gr.1 N/A
A.bF4 System Alarm 4
"Internal program error 4" of the SERVO-
PACK occurred.
Gr.1 N/A
A.C10 Servo Overrun Detected
The servomotor ran out of control. Gr.1 Available
L H L
A.C20 Phase Detection Error The detection of the phase is incorrect. Gr.1 N/A
A.C21 Hall Sensor Error
The hall sensor is faulty. Gr.1 N/A
A.C22
Phase Information

Disagreement
The phase information does not match. Gr.1 N/A
A.C50 Polarity Detection Error
The polarity detection failed. Gr.1 N/A
A.C51
Overtravel Detection at
Polarity Detection The overtravel signal was detected at polar-
ity detection.
Gr.1 Available
A.C52
Polarity Detection

Uncompleted
The servomotor was turned ON under the
condition of polarity detection uncom-
pleted.
Gr.1 Available
A.C53
Out of Range for Polarity
Detection The moving distance exceeded the set value
of Pn48E during polarity detection.
Gr.1 N/A
A.C54 Polarity Detection Error 2
The polarity detection failed. Gr.1 N/A
A.C80
Absolute Encoder Clear
Error The data for the absolute linear scale was
not properly cleared or set.
Gr.1 N/A
A.C90
Encoder Communications
Error
Communications between the SERVO-
PACK and the linear scale is not possible.
Gr.1 N/A
A.C91
Encoder Communications
Position Data Error A linear scale position data calculation error
occurred.
Gr.1 N/A
A.C92
Encoder Communications
Timer Error
An error occurs in the communications
timer between the linear scale and the SER-
VOPACK.
Gr.1 N/A
A.CA0 Encoder Parameter Error Linear scale parameters are faulty. Gr.1 N/A
A.Cb0 Encoder Echoback Error
Contents of communications with linear
scale are incorrect.
Gr.1 N/A
(cont’d)
Alarm
Number
Alarm Name Meaning
Servo-
motor
Stopping
Method
Alarm
Reset
Alarm Code Output
ALO1 ALO2 ALO3