While you wait for answers, we may have found some information which could help you.
Click here for Sound Dishwasher PowerSimpson Silencio 850 Dishwasher?
Which way up is the upper spray arm - with holes uppermost o?
Hotpoint Start/Pause button flashing?
K8D45517?
Why is my SMEG Dishwasher showing E1 without water in tray?
How can I mend my Zanussi ZDLN1512 dishwasher?