Siemens F37045 fault code meaning
Siemens / F37045
Series: G120-CU250S-2, S120-S150
HF damper: Power supply undervoltage
converter
Meaning: HF damper power supply fault. - Voltage monitoring signals an undervoltage fault on the module.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1607; SINAMICS S120_S150 P3203