EL
ErrorLib
Brands
||
  1. Home
  2. Omron
  3. NJ/NY-series NC Integrated Controller
  4. 77860000 hex
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

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. 1

    Check the error status directly at the affected EtherCAT slave or NX Unit.

  2. 2

    Check the specific slave error code reported by the Slave Error Code Report (97800000 hex) information event.

  3. 3

    Perform the required corrections based on the reported slave error code.

Browse all codes in this manual (16)
Verified technical data. Last updated: April 2026

Related Faults

37810000 hexProcess Data Object Setting Missing54013781 hexProcess Data Object Setting Missing56000000 hexIllegal CNC Coordinate System Specification
Source: Omron NJ/NY-series NC Integrated Controller
Open Manual (Page 476)Search more codes in this manual