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
Review system logs for more details on the flash write operation.
- 2
Consider re-downloading the application to ensure production data integrity.
Verified technical data. Last updated: March 2026
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Source: ABB PB610 Panel Builder 600 Programming Software