00EA

Scanner not configured for rack communication

Allen-Bradley · Logix 5000

What does 00EA mean?

The scanner was not configured to communicate with the rack that contains the block-transfer module. This configuration error prevents proper communication with the module.

Common Causes

  • The scanner was not configured to communicate with the rack that would contain this block-transfer module

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the Logix 5000 controller project configuration, specifically checking the I/O tree for the scanner module and the block-transfer module to ensure correct module type, revision, rack, and slot assignments.

  2. 2

    Verify the communication path and parameters (e.g., network address, connection type, RPI) defined for the scanner module to establish communication with the rack and the block-transfer module.

  3. 3

    Inspect all physical connections, including backplane seating of both modules, network cables (if applicable), and module power connections to the rack.

  4. 4

    Check the status indicators (LEDs) on both the scanner module and the block-transfer module for any fault, network, or communication errors.

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Verified technical data. Last updated: March 2026

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