YASKAWA Sigma-7 SGD7S Series - Page 591

Alarm Code Alarm Name Alarm Meaning Servomotor Stop-
ping Method
Alarm
Reset Pos-
sible?
A.8A1
(18A1h)
External Encoder Module
Error
An error occurred in the Serial Con-
verter Unit.
Gr.1 Yes
A.8A2
(18A2h)
External Incremental
Encoder Sensor Error
An error occurred in the external
encoder.
Gr.1 Yes
A.8A3
(18A3h)
External Absolute Encoder
Position Error
An error occurred in the position data
of the external encoder.
Gr.1 Yes
A.8A5
(18A5h)
External Encoder Over-
speed
An overspeed error occurred in the
external encoder.
Gr.1 Yes
A.8A6
(18A6h)
External Encoder Over-
heated
An overheating error occurred in the
external encoder.
Gr.1 Yes
A.b33
(1b33h)
Current Detection Error 3 An error occurred in the current
detection circuit.
Gr.1 No
A.bF0
(1bF0h)
System Alarm 0 Internal program error 0 occurred in
the SERVOPACK.
Gr.1 No
A.bF1
(1bF1h)
System Alarm 1 Internal program error 1 occurred in
the SERVOPACK.
Gr.1 No
A.bF2
(1bF2h)
System Alarm 2 Internal program error 2 occurred in
the SERVOPACK.
Gr.1 No
A.bF3
(1bF3h)
System Alarm 3 Internal program error 3 occurred in
the SERVOPACK.
Gr.1 No
A.bF4
(1bF4h)
System Alarm 4 Internal program error 4 occurred in
the SERVOPACK.
Gr.1 No
A.bF5
(1bF5h)
System Alarm 5 Internal program error 5 occurred in
the SERVOPACK.
Gr.1 No
A.bF6
(1bF6h)
System Alarm 6 Internal program error 6 occurred in
the SERVOPACK.
Gr.1 No
A.bF7
(1bF7h)
System Alarm 7 Internal program error 7 occurred in
the SERVOPACK.
Gr.1 No
A.bF8
(1bF8h)
System Alarm 8 Internal program error 8 occurred in
the SERVOPACK.
Gr.1 No
A.C10
(1C10h)
Servomotor Out of Control The Servomotor ran out of control. Gr.1 Yes
A.C20
(1C20h)
Phase Detection Error The detection of the phase is not
correct.
Gr.1 No
A.C21
(1C21h)
Polarity Sensor Error An error occurred in the polarity
sensor.
Gr.1 No
A.C22
(1C22h)
Phase Information Disa-
greement
The phase information does not
match.
Gr.1 No
A.C50
(1C50h)
Polarity Detection Failure The polarity detection failed. Gr.1 No
A.C51
(1C51h)
Overtravel Detected during
Polarity Detection
The overtravel signal was detected
during polarity detection.
Gr.1 Yes
A.C52
(1C52h)
Polarity Detection Not Com-
pleted
The servo was turned ON before the
polarity was detected.
Gr.1 Yes
Sigma-7 Series SERVOPACKs
Maintenance
Alarm Displays > List of Alarms
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