What causes Wago error 16#75D6 (2)?

Incorrect wiring or faulty integration of the FDBACK signal at the application level.. Improper wiring of the FDBACK digital inputs, including configurations for ALL, ON, FEEDBACK (%Ix.x), or QBAD_FIO (%Ix.x).. Incorrect programming enable setting configured as 'ON' when the application uses only local safety tags.

How do you fix Wago fault code 16#75D6 (2)?

1. Verify the physical wiring and logical integration of the FDBACK signal within the application. 2. Inspect the wiring of the FDBACK digital inputs for ALL, ON, FEEDBACK (%Ix.x), and QBAD_FIO (%Ix.x) configurations. 3. Check the programming enable setting and confirm it is correctly configured as 'ON' if only local safety tags are utilized.

16#75D6 (2)

PROFISAFE FDBACK Wiring/Integration Error

Wago · PROFISAFE Modules

What does 16#75D6 (2) mean?

This fault occurs when the F-CPU changes to STOP during a functional test and when using the FD_BACK function. It indicates a problem with the physical wiring or logical integration of the FDBACK signal within the application. The error specifically highlights issues related to the wiring of FDBACK inputs or incorrect programming enable settings for local safety tags.

Common Causes

Incorrect wiring or faulty integration of the FDBACK signal at the application level.
Improper wiring of the FDBACK digital inputs, including configurations for ALL, ON, FEEDBACK (%Ix.x), or QBAD_FIO (%Ix.x).
Incorrect programming enable setting configured as 'ON' when the application uses only local safety tags.

Repair Steps & Checklist

Click steps to track your progress.

1
Verify the physical wiring and logical integration of the FDBACK signal within the application.
2
Inspect the wiring of the FDBACK digital inputs for ALL, ON, FEEDBACK (%Ix.x), and QBAD_FIO (%Ix.x) configurations.
3
Check the programming enable setting and confirm it is correctly configured as 'ON' if only local safety tags are utilized.