Yaskawa SGDS Sigma III Servo Amplifier - Manual (Page 293)

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