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ErrorLib — Industrial Fault Code Library

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56200000 hex

Too Many Files Open

Omron · NJ/NY-series NC Integrated Controller

What does 56200000 hex mean?

This error occurs in the CNC Function Module if multiple instances of a CNC instruction (e.g., CNC_LoadProgramFile) are executed simultaneously. This indicates a violation of the instruction's single-execution constraint, causing system resource exhaustion or conflict.

Common Causes

  • Multiple instances of a CNC instruction that does not support multi-execution (e.g., CNC_LoadProgramFile) are executed concurrently.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the program logic to identify where the CNC_LoadProgramFile instruction or similar non-multi-execution CNC instructions are called.

  2. 2

    Ensure that only one instance of the CNC_LoadProgramFile instruction (or equivalent) is executed at any given time.

  3. 3

    Modify the program to enforce sequential execution for instructions that do not support multi-execution, preventing concurrent calls.

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 367)Search more codes in this manual