Yaskawa Large Capacity Sigma II Series - Manual (Page 362)

8.2 Troubleshooting
8-23
8
„ A.86
A.86: Encoder Overheated
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Outputs ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause Remedy
A The ambient temperature of the servo-
motor is high. Alter conditions so that the ambient tempera-
ture goes below 40
°C
B SERVOPACK is operating under an
overload. Reduce load.
C Circuit board (1PWB) defective. Replace SERVOPACK.
D Encoder defective. Replace the servomotor.
During servomotor
operation
A, B
Occurred when the
control power turned ON.
C, D