The motor is physically unable to rotate due to a jammed load, a stuck brake, or a load that exceeds the motor's torque capacity.
If parameters p0640 (current limit) or r1538/r1539 (torque limits) are set too low, the drive cannot provide enough power to keep the motor turning under load. siemens drive fault 7902
Use STARTER or Startdrive software to read the fault history. Look for: The motor is physically unable to rotate due