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ErrorLib — Industrial Fault Code Library

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00D3

Block-transfer length mismatch

Allen-Bradley · Logix 5000

What does 00D3 mean?

The scanner requested a specific data length, but the block-transfer module responded with a different length. This indicates an inconsistency in the data transfer size.

Common Causes

  • The scanner requested a length and the block-transfer module responded with a different length

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the configured data length for the specific communication module or message instruction within the Logix 5000 controller's program.

  2. 2

    Verify the configured data block size on the responding block-transfer module or device, using its dedicated configuration tool or settings.

  3. 3

    Compare the requested data length from the Logix 5000 with the actual data block size of the responding module and identify any discrepancies.

  4. 4

    Inspect the data types and array sizes of the associated tags in the Logix 5000 program to ensure they align with the expected block transfer length.

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