This is most likely happening because your Parameter THR_MAX is not set at 1000. Tu check this, please follow the next steps:

  1. Go to config/tuning
  2. Full parameter list
  3. Search for the parameter
  4. Change the value (if it is not 1000)
  5. Click write params

Don’t forget to check the RC doesn’t have trims.

For more information, please click here.