Siemens F025 fault code meaning
Siemens / F025
Series: 6RA70
Carbon brushes too short
DC drive
Meaning: (Valid in operating status ≤ o3.) When parameter P495=2 (digital carbon brush length detection), the fault message signal at terminal 211 is at logic "0" for longer than 10s. Possible fault causes: Carbon brush length encoder has responded. Open circuit in the encoder cable.
Possible causes
Source: 6ra70_c P423