Siemens F027 fault code meaning

Series: 6RA70

Motor fan airflow monitoring

DC drive

Meaning: (Valid in operating status ≤ o6.) When parameter P497=2 (airflow monitoring), the fault message signal at terminal 213 is at logic "0" for longer than 40 s. Possible fault causes: Fan monitoring encoder has responded. Open circuit in the encoder cable.

Possible causes

Source: 6ra70_c P423