Siemens F37903 fault code meaning
Siemens / F37903
Series: G120-CU250S-2
HF damper: I2C bus fault occurred
converter
Meaning: Communication with EEPROM or the analog-to-digital converter is faulty.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1617
Series: S120-S150
HF damper: I2C bus fault occurred
converter
Meaning: Communication with EEPROM or the analog-to-digital converter is faulty.
Possible causes
Source: SINAMICS S120_S150 P3215