Omron OMNUC W Series Manual page 247

9 Troubleshooting
9
A.E2
A.E2: WDC Error of DeviceNet Unit
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 DeviceNet Unit is defective.
A.E6
A.E6: DeviceNet Duplicate MAC ID 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
Duplicate MAC ID
Cause
A Duplicate node address
9-36
ALM Output
ALO3
ON OFF
A
Replace the DeviceNet Unit.
ALM Output
ALO3
ON OFF
A
Check node addresses of all Units on the
DeviceNet network.
Remedy
Remedy