YASKAWA SGMPS - Page 336

10 Troubleshooting
10.1.1 List of Alarms
10-4
A.8A5
External Encoder
Overspeed
The overspeed from the external encoder
occurred.
Gr.1 Available
HHH
A.8A6
External Encoder
Overheated
The overheat from the external encoder
occurred.
Gr.1 Available
A.b10
Speed Reference A/D
Error
The A/D converter for speed reference input
is faulty.
Gr.2 Available
A.b11
Speed Reference A/D
Data Error
A/D conversion data of speed reference is
incorrect.
Gr.2 Available
A.b20
Reference Torque Input
Read Error
The A/D converter for torque reference
input is faulty.
Gr.2 Available
A.b31
Current Detection Error1
(Phase-U)
The current detection circuit for phase-U is
faulty.
Gr.1 N/A
A.b32
Current Detection Error 2
(Phase-V)
The current detection circuit for phase-V is
faulty.
Gr.1 N/A
A.b33
Current Detection Error 3
(Current detector)
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
LHL
A.C80
Absolute Encoder Clear
Error and Multi-turn Limit
Setting Error
The multi-turn for the absolute encoder was
not properly cleared or set.
Gr.1 N/A
A.C90
Encoder Communications
Error
Communications between the SERVO-
PACK and the encoder is not possible.
Gr.1 N/A
A.C91
Encoder Communications
Position Data Error
An encoder position data calculation error
occurred.
Gr.1 N/A
A.C92
Encoder Communications
Timer Error
An error occurs in the communications
timer between the encoder and the SERVO-
PACK.
Gr.1 N/A
A.CA0 Encoder Parameter Error Encoder parameters are faulty. Gr.1 N/A
A.Cb0 Encoder Echoback Error
Contents of communications with encoder
is incorrect.
Gr.1 N/A
A.CC0
Multi-turn Limit
Disagreement
Different multi-turn limits have been set in
the encoder and the SERVOPACK.
Gr.1 N/A
A.CF1
Feedback Option Module
Communications Error
(Reception error) *
Reception from the feedback option module
is faulty.
Gr.1 N/A
A.CF2
Feedback Option Module
Communications Error
(Timer stop) *
Timer for communications with the feed-
back option module is faulty.
Gr.1 N/A
∗ The alarm that may occur in a SERVOPACK with option module for fully-closed loop control.
(cont’d)
Alarm
Display
Alarm Name Meaning
Servo-
motor
Stop
Method
Alarm
Reset
Alarm Code Output
ALO1 ALO2 ALO3