77860000 hex
Slave Error Detected
Omron · NJ/NY-series NC Integrated Controller
What does 77860000 hex mean?
An error was detected by an EtherCAT slave or NX Unit assigned to a CNC motor. This minor fault results in the Servo for the relevant CNC motor being turned OFF. The CNC Function Module first notifies Slave Error Detection (77860000 hex), then reports the specific slave error code via a Slave Error Code Report (97800000 hex) information event.
Common Causes
- An error was detected by the EtherCAT slave or NX Unit allocated to the CNC motor.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the error status directly at the affected EtherCAT slave or NX Unit.
- 2
Check the specific slave error code reported by the Slave Error Code Report (97800000 hex) information event.
- 3
Perform the required corrections based on the reported slave error code.
Verified technical data. Last updated: March 2026
Related Faults
Source: Omron NJ/NY-series NC Integrated Controller