Siemens F37899 fault code meaning
Siemens / F37899
Series: G120-CU250S-2, S120-S150
HF damper: Unknown fault
converter
Meaning: A fault that the control unit firmware cannot recognize has occurred on the HF damper. This fault may occur if the firmware on this component is newer than the control unit firmware.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1617; SINAMICS S120_S150 P3215