how to part programme Accenta Gen 4?

I have fitted Accenta Gen 4 alarm [lcd keypad], As per instructions, I tried to set up Progamme 3. where you can set the alarm for downstairs during night time. But some reason it does not work, it defaults to Programme 1. I am doing the following:-
prog>engineer code>P>Select Programs [set] select 3>program edit used zones>[set] {i used 1-4 zones} press Reset three times to leave menu.
....
do i have to do anthing else? Any help is very much appreciated.