Siemens A7457 fault code meaning

Series: V90

EPOS: Incorrect input signal combination

servo drive

Meaning: Message category: Application/technology function fault (17). An invalid combination of simultaneously set input signals was detected. Alarm value (r2124, decimal): 0: JOG 1 and JOG 2. 1: JOG 1 or JOG 2 and direct setpoint input/MDI. 2: JOG 1 or JOG 2 and start referencing. 3: JOG 1 or JOG 2 and activate traversing task. 4: Direct setpoint input/MDI and start referencing. 5: Direct setpoint input/MDI and activate traversing task. 6: Start referencing and activate traversing task.

Possible causes

Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P391