Cause : SI P1 - Defect in a monitoring channel comes when the drive-integrated "Safety Integrated" function on processor 1 has detected a fault in the crosswise data comparison between the two monitoring channels and has initiated a STOP F.

- check the cross data comparison that resulted in a STOP F.
- carry out a POWER ON (power off/on).

For fault value = 1000:
- check the wiring of the F-DI (contact problems).
- PROFIsafe: Remove contact problems/faults at the PROFIBUS master/PROFINET controller