Siemens A37310 fault code meaning
Siemens / A37310
Series: S120-S150
HF reactor: Overtemperature
converter
Meaning: The heatsink temperature of the HF reactor has exceeded the permissible limit. - Insufficient ventilation, fan fault. - Overload. - Ambient temperature too high.
Possible causes
Source: SINAMICS S120_S150 P3205