Siemens A52902 fault code meaning
Siemens / A52902
Series: S200
Emergency stop (EMGS) signal missing
servo drive
Meaning: The emergency stop (EMGS) signal was not yet enabled before the SON signal was enabled.
Possible causes
Source: SINAMICS S200 Pulse Train Input_SIMOTICS S-1FL2 P573
Series: V90
Quick stop signal (EMGS) loss
servo drive
Meaning: Message category: General drive fault (19). The servo is enabled when digital input (EMGS) is closed.
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P397