16909

Flash Write Error (Production Data) (Warning)

ABB · PB610 Panel Builder 600 Programming Software

What does 16909 mean?

A flash write error occurred during the writing of production data on the SM560-S Safety CPU. This is a warning indicating potential issues with the non-volatile memory of the Safety PLC.

Common Causes

  • An error occurred while writing to the production data section of the flash memory.
  • Flash memory corruption.
  • Hardware fault in the flash memory controller.
  • Power interruption during production data write.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review system logs for more details on the flash write operation.

  2. 2

    Consider re-downloading the application to ensure production data integrity.

Browse all codes in this manual (58)
Verified technical data. Last updated: March 2026

Related Faults

Source: ABB PB610 Panel Builder 600 Programming Software