F015

Data conversion error

Allen-Bradley · Logix 5000

What does F015 mean?

An error occurred during the conversion of data from one format or type to another. This prevents correct data processing.

Common Causes

  • Data conversion error

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the data types and ranges of source and destination tags used in data conversion instructions within the PLC program.

  2. 2

    Monitor the real-time values of source tags feeding into data conversion instructions to identify abnormal or out-of-range data.

  3. 3

    Inspect the configuration of I/O modules, especially analog inputs, that provide data used in conversion instructions for correct scaling and data format.

  4. 4

    Check for any overflow or underflow conditions that could arise from calculated values before a data conversion instruction is executed.

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Verified technical data. Last updated: March 2026

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