Yaskawa MP940 Reference Manual User Manual
Page 386
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MotionSuite™ MP940 Machine Controller Reference Manual
Troubleshooting
10-33
A.E0
A.E0 is the alarm display for MP940 non-response. The alarm output
appears below.
Note: The indicates the output transistor is ON; 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
Cause
Remedy
A
The MP940 is either not mounted or
defective.
Power (DC 24V) is not being supplied
to the MP940.
User Program Error
Supply power (DC 24V) to the MP940.
MP940 User Program Repair
MP940 Module Memory Initialization
Replace MP940 Module.
Alarm occurs at power ON
A
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