| 1. Electrical failure |
| 2. Patient disconnection from the ventilator |
| 3. High non-intentional leaks |
| 4. Apnoea in assisted modes |
| 5. High and low and minimum patient rate |
| 6. High pressure and low pressure limit (especially in volume-controlled mode) |
| 7. Changes in VT (in pressure-targeted mode) |
| 8. Changes in minute ventilation (in volume- or pressure-controlled modes) |
| 9. Changes in FIO2 when used |