Siemens A37041 fault code meaning
Siemens / A37041
Series: G120-CU250S-2
HF damper: 24 V undervoltage alarm
converter
Meaning: HF damper 24 V power supply fault. - Below the 16 V threshold.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1606