Fault during writing into the flash memory (Fault code 1, argument 4)

What does I/O-LED 1-4 mean?

An error occurred while the Fieldbus Coupler was attempting to write data into its internal flash memory. This suggests a defect in the flash memory component itself or a power instability that interrupted the write operation, potentially corrupting stored firmware or configuration.

• Defective flash memory component within the coupler
• Power fluctuations or interruptions during flash memory write operations

Click steps to track your progress.

1. 1

   Replace the Coupler.