EL
ErrorLib
Brands
||
  1. Home
  2. Allen-Bradley
  3. MicroLogix 1400 Programmable Controllers
  4. ERR_PACKET_RELEASE
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.

ERR_PACKET_RELEASE

Firmware use only

Allen-Bradley · MicroLogix 1400 Programmable Controllers

What does ERR_PACKET_RELEASE mean?

This error is for firmware internal use only, indicating a failure to release a packet. This suggests an internal memory management issue where packet buffers are not being properly deallocated, potentially leading to memory leaks or resource exhaustion.

Common Causes

  • Memory leak within the Modbus TCP firmware module.
  • Corrupted memory pointers preventing proper deallocation of packet buffers.
  • Internal operating system error related to memory management.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Restart the controller to clear internal memory states and force release of packet resources.

  2. 2

    Consider updating controller firmware if the issue persists, as it may indicate a known bug.

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

Related Faults

-1Output Error-2Overlap Error-3Undefined Accel/Decel
Source: Allen-Bradley MicroLogix 1400 Programmable Controllers
Open Manual (Page 330)Search more codes in this manual