Siemens F7451 fault code meaning

Series: V90

Positioning monitoring triggered

servo drive

Meaning: The drive has still not reached the positioning window (p2544) when the positioning monitoring time (p2545) has elapsed. The positioning window (p2544) is set too small. The positioning monitoring time (p2545) is set too short. The position loop gain is too small. The position loop gain is too large (instability/vibration). The mechanical system is jammed. Identify and eliminate the cause.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P374