Cause : Motor data identification activated comes when the motor data identification routine is activated or the motor data identification routine is carried out at the next power-on command.

A7991 is a fault code displayed on Siemens drives, specifically in the Sinamics G120 model series. This code indicates that the motor data identification process is activated.

1. If rotating measurement is selected, it will not be possible to save the parameter assignment.
2. Once motor data identification has been completed or de-activated, the option to save the parameter assignment will be made available again.

The alarm automatically disappears after the motor data identification routine has been successfully completed.