Siemens Fault 0a7991 Best Jun 2026

Siemens fault A07991 is an alarm indicating that "Motor data identification is activated"

To clear this alarm, you generally need to complete the motor identification process or bypass it if testing without a motor: Standard Resolution (With Motor Connected): Ensure your drive configuration is complete. siemens fault 0a7991 best

: If disabling the motor ID causes an overcurrent fault, the motor data might be incorrectly parameterized, or the control mode ( p1300 ) might be too aggressive for the unmeasured motor. If you tell me the exact drive model (e.g., SINAMICS G120C Go to product viewer dialog for this item. Siemens fault A07991 is an alarm indicating that