F2124

MMC: saving too slowly

Bosch Rexroth · IndraDrive MPx02

What does F2124 mean?

The MultiMediaCard (MMC) is experiencing excessively slow write speeds during data saving operations. This could indicate a failing MMC card, a heavily fragmented card, or an issue with the drive's internal memory interface. Slow saving can lead to operational delays, data corruption, or failed parameter saves.

Common Causes

  • Degraded MMC card due to excessive write cycles
  • MMC card nearing end-of-life
  • High fragmentation of data on the MMC
  • Hardware issue with the drive's MMC interface
  • Background processes consuming MMC write bandwidth

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the MultiMediaCard (MMC) for proper seating in its slot and any visible physical damage or contamination.

  2. 2

    Verify drive parameters related to data logging, trace recording, and cyclic parameter saving for unusual or excessive configurations that might increase write load.

  3. 3

    Check the IndraDrive's diagnostic messages and status registers for additional information or specific error sub-codes related to MMC access or performance.

  4. 4

    Attempt a manual parameter backup or save operation to directly observe and confirm the reported slow write speed and overall saving duration.

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Verified technical data. Last updated: March 2026

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Source: Bosch Rexroth IndraDrive MPx02