There are dozens of Videos on youTube about the Delonghi Magnifica S - this one might possibly help you...
https://www.youtube.com/watch?v=DfPKrPf7A88
The actual Model number as in Magnifica S ECAM 22.110 might be significant - will be on a rating plate on the outside of the machine.
If yours is within the guarantee period you might claim against the vendor.
Good Luck..., October 2016