Yaskawa MP940 Reference Manual - Manual (Page 358)

MotionSuite™ MP940 Machine Controller Reference Manual Troubleshooting
10-5
A.03
A.03 is a main circuit detection alarm.
The alarm output appears below.
Note: The x indicates the output transistor is OFF (alarm state).
Status when Alarm Occurred
Alarm Output
Alarm Code Output ALM Output
ALO1 ALO2 ALO3
x x x x
Cause Remedy
A Circuit board (1PWB or 2PWB) defective. Replace servo amplifier.
Occurred at power
ON
A