SI P1 (CU): Defect in a monitoring channel

What does F01611 mean?

The drive-integrated "Safety Integrated" function on processor 1 has detected a fault in the crosswise data comparison between its two monitoring channels, initiating a STOP F. This often leads to fault F01600 as a subsequent response. A defect in a safety monitoring channel is a critical safety system failure that must be resolved to ensure the safe operation of the machine and compliance with safety standards.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Check PROFIsafe address settings (p9610, p9810).

2. 4

   Investigate for excessive signal changes at F-DI or frequent STO initiations if fault value is 1000.

3. 5

   Analyze status differences between monitoring channels for STO selection (2000), safe pulse suppression feedback (2001), delay timer SS1 (2002), and STO terminal (2003).