Siemens F37012 fault code meaning

Series: G120-CU250S-2, S120-S150

HF Damper: Heatsink temperature sensor open

converter

Meaning: Connection interruption to the heatsink temperature sensor in the HF damper.

Possible causes

Source: SINAMICS G120, Control Unit CU250S-2 P1604; SINAMICS S120_S150 P3200