beko wma 765 s main wash indicating don start?

I did a pefekt wach a year a go.
2 weeks later it wont start,
i got the ( main wach )flaching and Letter H coms on.
when presing the1 and 2 buton at the same time.
out of 4 butons,
i hawe tested the heating twist its 25.7 ome on 200, and the inlet valv is 3.67 and 4.08 ome on the 20k i hawe fickst maual w machines but this on is geting on my !! haweeaven tryed a new display nothing and its stearing at me ses fix me and it stil looks as new the student