Omron OMNUC W Series Manual page 250

A.EB
A.EB: Servo Driver Initial Access Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF ON
Note OFF: Output transistor is OFF (alarm state). ON: Output transistor is ON.
Status and Remedy for Alarm
At power ON
Cause
A The Servo Driver is defective.
A.EC
A.EC: WDC Error of Servo Driver
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF ON
Note OFF: Output transistor is OFF (alarm state). ON: Output transistor is ON.
Status and Remedy for Alarm
At power ON
Cause
A
The Servo Driver is defective.
B DeviceNet communications interrupted.
9-39
9.3 Troubleshooting with Alarm Displays
ALM Output
ALO3
ON OFF
A
Replace the Servo Driver.
ALM Output
ALO3
ON OFF
During DeviceNet
A
communications
Replace the Servo Driver.
Turn the power ON again.
Remedy
B
Remedy
9