Siemens A1902 fault code meaning
Siemens / A1902
Series: V90
PROFIdrive: Incorrect setting for isochronous run
servo drive
Meaning: Message category: Parameter setting/configuration/commissioning error (18) Incorrect isochronous synchronization parameter settings. Match the bus parameter settings Tdp, Ti, and To. Reduce Tdx by reducing the number of bus nodes or shortening the telegrams.
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P389