This is the same error code for a hotpoint fdw75/70 it is to do with the dishwasher filters could need cleaning or may not be fitted correctly i'm having same issue with my dishwasher but even after cleaning and refitting still the same error
carlo Zoccali
September 2008
I can answer this question...
I have an "AO5" or "AOS" error on my indesit evolution de 73 dishwasher?