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ErrorLib — Industrial Fault Code Library

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F009

Data or file too large / Memory unavailable

Allen-Bradley · Logix 5000

What does F009 mean?

The data or file being processed is too large to handle, or system memory is unavailable to complete the requested operation. This indicates a resource limitation.

Common Causes

  • Data or file is too large
  • Memory unavailable

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify controller memory utilization using Studio 5000 Logix Designer 'Controller Properties' to check used versus available memory.

  2. 2

    Inspect program routines and tag database for large arrays, excessive UDTs, or unoptimized data structures that may consume excessive memory.

  3. 3

    Check for excessive communication connections or large data transfers from connected HMI/SCADA systems or other devices that could be consuming communication buffers or system memory.

  4. 4

    Review recent program modifications or online edits for any changes that might have significantly increased the memory footprint of the application.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

00D0No block-transfer response (timeout)00D1Checksum mismatch in read response00D2Read/Write request/response mismatch
Source: Logix 5000
Open Manual (Page 165)Search more codes in this manual