YASKAWA SGDS Sigma III Series - Page 295

10 Inspection, Maintenance, and Troubleshooting
10.1.2 Alarm Display Table
10-4
A.810
Encoder Backup Error All the power supplies for the absolute encoder have failed
and position data was cleared.
DB stop N/A
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.870
Fully-closed Serial
Encoder Checksum Error
Alarm
Checksum results error of encoder memory.
DB stop N/A
A.880
Fully-closed Serial
Encoder Data Alarm
Encoder internal data was incorrect.
DB stop N/A
A.8A0
Fully-closed Serial
Encoder Scale Error
Linear encoder is faulty.
DB stop Available
A.8A1
Fully-closed Serial
Encoder Module Error
Linear encoder or serial converter unit is faulty.
DB stop Available
A.8A2
Fully-closed Serial
Encoder Sensor Error
(Incremental)
Linear encoder is faulty.
DB stop Available
A.8A3
Fully-closed Serial
Encoder Position Error
(Absolute)
Encoder feedback position is faulty.
DB 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
A.bF0
System Alarm 0 “Internal program error 0” of SERVOPACK occurred.
DB stop N/A
A.bF1
System Alarm 1 “Internal program error 1” of SERVOPACK occurred.
DB stop N/A
A.bF2
System Alarm 2 “Internal program error 2” of SERVOPACK occurred.
DB stop N/A
A.bF3
System Alarm 3 “Internal program error 3” of SERVOPACK occurred.
DB stop N/A
A.bF4
System Alarm 4 “Internal program error 4) of SERVOPACK occurred.
DB stop N/A
A.C10
Servo Overrun Detected The servomotor ran out of control.
DB stop Available
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.
DB stop N/A
A.C90
Encoder Communications
Error
Communications between SERVOPACK and encoder is not
possible.
DB stop N/A
A.C91
Encoder Communications
Position Data Error
An encoder position data calculation error occurred.
DB stop N/A
A.C92
Encoder Communications
Timer Error
An error occurs in the communications timer between the
encoder and the SERVOPACK.
DB stop N/A
A.CA0
Encoder Parameter Error Encoder parameters are faulty.
DB stop N/A
A.Cb0
Encoder Echoback Error Contents of communications with encoder is incorrect.
DB stop N/A
A.CC0
Multi-turn Limit
Disagreement
Different multi-turn limits have been set in the encoder and
SERVOPACK.
DB stop N/A
A.CF1
Fully-closed Serial
Converter Unit
Communications Error
(Reception Error)
Communication of fully-closed serial converter unit is faulty.
DB stop N/A
Table 10.1 Alarm Display Table (Cont’d)
Alarm
Display
Alarm Name Meaning
Servomo-
tor Stop
Method
Alarm
Reset
Servo
Alarm
(ALM)
Output