Siemens F37003 fault code meaning
Siemens / F37003
Series: G120-CU250S-2, S120-S150
HF Damper: Damping voltage not established
converter
Meaning: The damping voltage cannot be established.
Possible causes
Source: SINAMICS G120, control unit CU250S-2 P1603; SINAMICS S120_S150 P3199