Hi. My dishwasher looks exactly like the picture but where it say Proline mine says Carlston. Its been working like magic. Switched it off for 2-3 days now when i try do a cycle is is overfilling:( . water pours out bottom left side of door. when i open the door the water stops filling. Ive tried to find the float fill mechanism or stopper but i dont see anything in the bin. Where do i dind this and how do I fix it. Mine looks exactly like the attached. Please help 
and thank you. Not sure of its age.