Siemens A52901 fault code meaning
Siemens / A52901
Series: V90
Braking resistor alarm threshold reached
servo drive
Meaning: Message category: General drive fault (19). The thermal capacity has reached the braking resistor thermal capacity threshold (p29005).
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P397