1305

System error during processing of ICL-data (code lines %d %d).

Bosch Rexroth · Motion Control

What does 1305 mean?

An internal software error occurred during the processing of ICL-data at specific code lines (%d %d). This is a serious MMI (Man-Machine Interface) error, indicating a critical software malfunction with no error recovery possible.

Common Causes

  • Internal software error during ICL-data processing.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify input supply voltage stability and level at the Bosch Rexroth control unit against specifications.

  2. 2

    Inspect all grounding connections to the control unit and associated modules for integrity and proper contact.

  3. 3

    Backup all existing user programs, parameters, and ICL-data files to an external storage device.

  4. 4

    Attempt to restore the last known working configuration and ICL-data from a verified backup to the control unit, if available.

  5. 5

    Check the current firmware version of the control unit and compare it against the latest stable release from Bosch Rexroth; prepare for a controlled firmware reinstallation or update if applicable.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Bosch Rexroth Motion Control