YASKAWA E-V Series User Manual page 297

9 Troubleshooting
9.1.1 List of Alarms
Alarm
Alarm Name
Display
Speed Reference A/D
A.b10
Error
Speed Reference A/D
A.b11
Data Error
Reference Force Input
A.b20
Read Error
Current Detection Error1
A.b31
(Phase-U)
Current Detection Error 2
A.b32
(Phase-V)
Current Detection Error 3
A.b33
(Current detector)
A.bF0 System Alarm 0
A.bF1 System Alarm 1
A.bF2 System Alarm 2
A.bF3 System Alarm 3
A.bF4 System Alarm 4
A.C10 Servo Overrun Detected
A.C20 Phase Detection Error
A.C21 Hall Sensor Error
Phase Information
A.C22
Disagreement
A.C50 Polarity Detection Error
Overtravel Detection at
A.C51
Polarity Detection
Polarity Detection
A.C52
Uncompleted
Out of Range for Polarity
A.C53
Detection
A.C54 Polarity Detection Error 2
Absolute Encoder Clear
A.C80
Error
Encoder Communications
A.C90
Error
Encoder Communications
A.C91
Position Data Error
Encoder Communications
A.C92
Timer Error
A.CA0 Encoder Parameter Error
A.Cb0 Encoder Echoback Error
9-4
Meaning
The A/D converter for speed reference input
is faulty.
A/D conversion data of speed reference is
incorrect.
The A/D converter for force reference input
is faulty.
The current detection circuit for phase-U is
faulty.
The current detection circuit for phase-V is
faulty.
The detection circuit for the current is
faulty.
"Internal program error 0" of the SERVO-
PACK occurred.
"Internal program error 1" of the SERVO-
PACK occurred.
"Internal program error 2" of the SERVO-
PACK occurred.
"Internal program error 3" of the SERVO-
PACK occurred.
"Internal program error 4" of the SERVO-
PACK occurred.
The servomotor ran out of control.
The detection of the phase is incorrect.
The hall sensor is faulty.
The phase information does not match.
The polarity detection failed.
The overtravel signal was detected at polar-
ity detection.
The servo was turned ON under the condi-
tion of polarity detection uncompleted.
The moving distance exceeded the set value
of Pn48E during polarity detection.
The polarity detection failed.
The multi-turn for the absolute encoder was
not properly cleared or set.
Communications between the SERVO-
PACK and the encoder is not possible.
An encoder position data calculation error
occurred.
An error occurs in the communications
timer between the encoder and the SERVO-
PACK.
Encoder parameters are faulty.
Contents of communications with encoder
is incorrect.
Servo- Alarm Code Output
motor Alarm
Stop Reset
ALO1 ALO2 ALO3
Method
Gr.2 Available
Gr.2 Available
Gr.2 Available
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A H
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 Available
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 Available
Gr.1 Available
Gr.1 N/A
L
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
Gr.1 N/A
H H
H L