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