The door seal is an important part because it ensures the watertightness of your dishwasher door. If your door doesn't close properly or you notice a water leak on the door side, the seal is worn or damaged. ...

This water inlet allows your dishwasher to be filled with water. If it is faulty, your dishwasher will not fill properly, will not function optimally, and will display a fault code.

The spray arm of your dishwasher is broken, don't hesitate to replace it, it's very easy to do.