For some reason the middle option "Log ind med pinkode" (login with pin), doesn't work. I have tried to let the chrome extension of Enpass record the user and password info, but still it only fills in the field "CPR-nummer" but not the "Pinkode". 

Hi @morten_bendtsen

Currently Enpass extension considers those forms as login forms which contain only one password field. In your scenario, the login form has more than one password field so it doesn't qualify for login form. But we are continuously improving our login detection scripts to support large number of websites. We have noted your problem and it will be solved in future versions of extension.