F2121

MMC: incorrect data or file

Bosch Rexroth · IndraDrive MPx02

What does F2121 mean?

The MultiMediaCard (MMC) contains incorrect data or a faulty file that prevents proper drive operation. This could be due to a corrupt configuration file, an incompatible firmware version, or a damaged application program stored on the card. The drive will likely fail to initialize or execute its intended function.

Common Causes

  • Corrupt application file on MMC
  • Incompatible firmware version loaded on MMC
  • Improperly configured data files on MMC
  • Errors during previous data saving operations
  • Partial data corruption due to power fluctuations

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the MultiMediaCard (MMC) for correct seating and any visible physical damage within the IndraDrive MPx02 slot.

  2. 2

    Verify the installed firmware version of the IndraDrive MPx02 against the required version specified in the project documentation and Bosch Rexroth compatibility matrix.

  3. 3

    Check the integrity and compatibility of the configuration and application files stored on the MMC using the drive's engineering software (e.g., IndraWorks) to identify corrupt or incorrect data.

  4. 4

    Attempt to re-download or restore the latest known-good configuration and application parameter files to the MMC from a verified backup source.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Bosch Rexroth IndraDrive MPx02