The cause is unknown.
Replace the damaged sealing ring with the sealing ring included with the package.
The sealing ring on the connection to the spout is damaged. The connection is leaking.
Replace the damaged sealing ring with the sealing ring included with the package.
Realign the appliance door; see figure.
To adjust the direction of the door (1), turn the screw (1).
To adjust the door forward or backward, turn the screw (2).