A7965 alarm in siemens sinamics V90 drive indicates a Save is required. This means the motor’s angular commutation offset has been newly calculated but needs to be saved to non-volatile memory to be permanent.
Cause: The angular commutation offset was re-defined and has still not been saved. In order to permanently accept the new value, it must be saved in a non-volatile fashion.
Remedy: This alarm automatically disappears after the data has been saved.
