Siemens F7491 fault code meaning

Series: V90

Negative limit reached

servo drive

Meaning: The negative stop has been reached. The negative stop was reached while moving in the forward direction, indicating that the stop is connected incorrectly. Move away from the negative stop in the forward direction to return the axis to the valid travel range.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P378