3 days ago washer flooded and when we maually emptied it, it tripped fuse in house, we left it quite a while about 1 day and then we got the power light on off button to come on but none the cycle set buttons work.
Your wash motor has gone. As its an ariston your parts are free if you get a Merloni engineer to fit them at £89.98 for the labour. The water has flooded & burnt out your wash motor and thats why you are unable to select a programme.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix dishwashers.