Siemens A1932 fault code meaning

Series: V90

DSC lacks DriveBus bus cycle isochronous synchronization

servo drive

Meaning: Message category: Parameter setting/configuration/commissioning error (18) DSC is selected, but isochronous synchronization or the isochronous synchronization sign of life is missing. Note: DSC: Dynamic Servo Control Set isochronous synchronization via the bus configuration or transmit the isochronous synchronization sign of life.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P389