YASKAWA SGD7S

12.2 Alarm Displays
12.2.1 List of Alarms
12-8
A.840 Encoder Data Alarm
There is an internal data error
in the encoder.
Gr.1 No HHH
A.850 Encoder Overspeed
The encoder was operating
at high speed when the
power was turned ON.
Gr.1 No HHH
A.860 Encoder Overheated
The internal temperature of
the rotary encoder or linear
encoder is too high.
Gr.1 No HHH
A.861 Motor Overheated
The internal temperature of
motor is too high.
Gr.1 No HHH
A.890 Encoder Scale Error
A failure occurred in the lin-
ear encoder.
Gr.1 No HHH
A.891 Encoder Module Error
An error occurred in the lin-
ear encoder.
Gr.1 No HHH
A.8A0 External Encoder Error
An error occurred in the
external encoder.
Gr.1 Yes HHH
A.8A1
External Encoder Module
Error
An error occurred in the
Serial Converter Unit.
Gr.1 Yes HHH
A.8A2
External Incremental
Encoder Sensor Error
An error occurred in the
external encoder.
Gr.1 Yes HHH
A.8A3
External Absolute Encoder
Position Error
An error occurred in the posi-
tion data of the external
encoder.
Gr.1 Yes HHH
A.8A5
External Encoder Over-
speed
An overspeed error occurred
in the external encoder.
Gr.1 Yes HHH
A.8A6
External Encoder Over-
heated
An overheating error
occurred in the external
encoder.
Gr.1 Yes HHH
A.b10
Speed Reference A/D
Error
An error occurred in the A/D
converter for the speed refer-
ence input.
Gr.2 Yes HHH
A.b11
Speed Reference A/D
Data Error
An error occurred in the A/D
conversion data for the
speed reference.
Gr.2 Yes HHH
A.b20
Torque Reference A/D
Error
An error occurred in the A/D
converter for the torque ref-
erence input.
Gr.2 Yes HHH
A.b33 Current Detection Error 3
An error occurred in the cur-
rent detection circuit.
Gr.1 No HHH
A.bF0 System Alarm 0
Internal program error 0
occurred in the SERVO-
PACK.
Gr.1 No HHH
A.bF1 System Alarm 1
Internal program error 1
occurred in the SERVO-
PACK.
Gr.1 No HHH
A.bF2 System Alarm 2
Internal program error 2
occurred in the SERVO-
PACK.
Gr.1 No HHH
A.bF3 System Alarm 3
Internal program error 3
occurred in the SERVO-
PACK.
Gr.1 No HHH
A.bF4 System Alarm 4
Internal program error 4
occurred in the SERVO-
PACK.
Gr.1 No HHH
Continued on next page.
Continued from previous page.
Alarm
Number
Alarm Name Alarm Meaning
Servo-
motor
Stop-
ping
Method
Alarm
Reset
Possi-
ble?
Alarm Code
Output
ALO1 ALO2 ALO3