Omron · NJ/NX-series Machine Automation Controller
An error, such as broken wiring, was detected in the external encoder's phase-A connection. This indicates an issue with the electrical integrity of this specific phase connection, impacting encoder signal accuracy.
Click steps to track your progress.
Inspect the external encoder's phase-A connection cable for physical damage or disconnection.
Measure continuity of the phase-A wire from the external encoder to its termination point.