I have a whirlpool dishwasher model 4108/1 its about two years old it worked fine until yesterday it was in a cycle when my daughter opened it I just closed it again and pressed the start button again but it drained all the water and now every time I start it it pumps water in and then out and shuts down I'm sure it can't be a big problem but the manual is no help with this does anyone have a solution for me please!