9 Troubleshooting
9-12
9
A.40
A.40: Main Circuit DC Voltage Error Detected: Overvoltage
Display and Outputs
Note
OFF: Output transistor is OFF (alarm state). ON: Output transistor is ON.
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Outputs
ALM Output
ALO1
ALO2
ALO3
OFF
OFF
ON
OFF
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
overhanging load.
C
Regenerative transistor is abnormal.
Replace the Servo Driver.
D
Rectifying diode is defective.
E
The Servo Driver is defective.
E
A, B, C, D
A, D
During Servomotor
operation
Occurred when main
circuit power turned ON
Occurred when the control
circuit power turned ON
Summary of Contents for OMNUC W R88A-NCW152-DRT
Page 1: ...Cat No I538 E3 1 DeviceNet Option Unit OMNUC W Series Model R88A NCW152 DRT...
Page 53: ...4 Connectors 4 5 3 DeviceNet Network Configuration Restrictions 4 22 4...
Page 97: ...5 Parameter Settings 5 3 8 Notch Signal Output Positioning 5 44 5...
Page 211: ...8 Servo Driver Settings 8 5 3 Absolute Encoder Multi turn Limit Setting 8 24 8...
Page 257: ...9 Troubleshooting 9 46 9...