If you look inside the dishwasher there should be a water inlet on one side probably the left. When you push the dish rack with the spray bar in it connects up with this inlet. When the machine is on the water comes in the side and the force of the water spins the spray bar. This inlet comes up the side of the machin from the pump. Where it enters the inside of the machine the plastic can perish and crack. If you reach in and unscrew the end of the inlet you will see the pipe entering and whether it is perished or not. You will need to take the outer casing of the machine off to replace it. Ariston sell all the spares for their machines. Tel No. 01733 282800
Vidfletch, July 2004