I think that the problem is solenoid valve; it got stuck. You’ll have to dismantle it and clean it – after this, water fill should work just fine. Does it sound like it’s too hard to accomplish? The it’s better not to fix it on your own. I’d recommend that you contact professionals:
https://appliancenj.com/ . I helped my granny living in New Jersey with her washing machine by contacting them because I was busy and couldn’t do it myself.