Omron OMNUC W R88A-NCW152-DRT, Manual

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