Siemens A7092 fault code meaning

Series: V90

Drive: Moment of inertia estimator not ready

servo drive

Meaning: Message category: Parameter setting/configuration/commissioning error (18). The moment of inertia estimator has not yet obtained a valid value. Acceleration cannot be calculated. The inertia estimator stabilizes once the machine load inertia ratio (p29022) has been obtained. Run the axis until the moment of inertia estimator stabilizes. The alarm clears automatically once the moment of inertia estimator has stabilized.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P390