Siemens F1611 fault code meaning
Siemens / F1611
Series: V90
SICU: Fault detected
servo drive
Meaning: The drive-integrated "Safety Integrated" function on the control unit detected a fault and triggered STO. Power-cycle all components (power off/power on).
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P369