If you are controlling the VFD via a or local terminal wiring
: 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 0a7991 best
This is often an Alarm (A) rather than a Fault (F), meaning it’s a warning that the drive is waiting for specific motor identification data, or that a measurement routine is underway. If you are controlling the VFD via a
Completing the test routine is the best path forward if the VFD is connected to its permanent motor on-site. The alarm clears automatically once the drive finishes its measurement. Completing the test routine is the best path
One of the "best" advanced uses of this feature is as a diagnostic tool for existing equipment. Experienced engineers set to activate the "static measurement". When started, this routine not only measures parameters but also checks for critical faults:
If the CPU is overloaded, it may miss a communication cycle.