9.2 Troubleshooting
9 -11
J
J
A.40
A.40: Main Circuit DC Voltage Error Detected: Overvoltage
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALM
Output
ALO1
ALO2
ALO3
Output
OFF
OFF
ON
OFF
Note
OFF: Output transistor is OFF (alarm state). ON: Output transistor is ON.
Status and Remedy for Alarm
Occurred when the
control power
turned ON.
E
A, B, C, D
A, D
During Servomotor
operation
Occurred when main
circuit power turned ON.
Cause
Remedy
A
The power supply voltage is not within the
range of specifications.
Check power supply.
B
Load exceeds capacity of the Regenerative
Unit.
Check specifications of load inertia and over-
hanging load.
C
Regenerative transistor is abnormal.
Replace Servopack.
D
Rectifying diode defective.
E
Servopack defective.
9
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