F7011 fault in siemens sinamics V90 drive indicates Motor Overtemperature. This means the motor’s temperature sensor or internal thermal model shows it is running dangerously hot, usually due to an overload or poor cooling.
Cause:
- Motor overloaded.
- Motor surrounding temperature too high.
- Wire breakage or sensor not connected.
- Motor temperature model incorrectly parameterized.
Remedy:
- Reduce the motor load.
- Check the surrounding temperature and the motor ventilation.
- Check the wiring and the connection.
- Check the motor temperature model parameters.
