...
You can overfill fluid spaces and vessels if you inject too much fluid or if IV bag is placed at an elevation significantly higher than the training platform.
Overfill does not usually result in permanent damage, but you should correct it as soon as possible. Withdraw excess fluid to alleviate overfill, or, with the Quick Fill method, make sure the IV bag is not hanging any higher than 12 inches (30 cm) above the training model
...