GOT MY HOLOSUN EPS CARRY RETICLE STUCK - HELP!

Okay guys, You won't believe this having a major issue with my Holosun EPS Carry. The reticle is completely wedged. I've tried everything - taking it apart, cleaning it, adjusting the settings, but nothing seems to work. It's like it's seized up or something. Has anyone else ever experienced this nightmare? Any tips on how to un-brick this thing wo