Replying to Colorado ski and golf is not good at binding skis.

I brought my skis into colorado ski and golf at the end of the summer and asked them to fit my bindings to my boots. And I came back the next day and they seemed fine. So like two months later it was the first day at A-basin and I got into my skis at leaned forward and automatically I just popped out. Even if I just barely landed more forward on my tips I would pop out. So the next day I tightened myself, I looked at my DIN and It was at 2. Has this happened to anyone else?