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ErrorLib — Industrial Fault Code Library

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56030000 hex

CNC Instruction Re-execution Disabled

Omron · NJ/NY-series NC Integrated Controller

What does 56030000 hex mean?

This minor fault indicates that a CNC instruction, which is not designed for re-execution, was executed multiple times without proper sequence. The fault is detected at instruction re-execution and affects the CNC common part or a specific CNC coordinate system. This prevents the instruction from executing and stops the relevant CNC coordinate system immediately if it is in motion.

Common Causes

  • An instruction that cannot be re-executed was called again while its `Busy` output variable was still TRUE.
  • The `Execute` input variable for an instruction changed to TRUE before the previous execution of the same instruction had completed (i.e., `Busy` changed to FALSE).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Examine the CNC program logic for instructions that are re-executed without checking their completion status.

  2. 2

    Modify the program to ensure the `Execute` input variable for an instruction only changes to TRUE when its `Busy` output variable from the previous execution is FALSE.

  3. 3

    Implement logic to explicitly stop an instruction before attempting to execute it again if the instruction cannot be re-executed.

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
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