Siemens A37049 fault code meaning
Siemens / A37049
Series: G120-CU250S-2, S120-S150
HF Damper: Internal fan damaged
converter
Meaning: HF Internal fan fault in the damper.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1607; SINAMICS S120_S150 P3203