Omron OMNUC W Series Manual page 238

A.B2
A.B2: Torque Command Input Reading Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF OFF
Note OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
During Servomotor
operation
Cause
A
Error in command read-in unit (A/D Con-
verter, etc.).
B Command read-in unit faulty (A/D Con-
verter, etc.).
C Circuit board (1PWB) is defective.
A.B6
A.B6: Communications LSI Error
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1 ALO2
OFF OFF
Note OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON
Cause
A
The DeviceNet Unit is defective.
9-27
9.3 Troubleshooting with Alarm Displays
ALM Output
ALO3
OFF OFF
At power ON
A, B
Reset alarm and restart operation.
Replace the Servo Driver.
Replace the Servo Driver.
ALM Output
ALO3
OFF OFF
A
Replace the DeviceNet Unit.
C
Remedy
Remedy
9