MY HOLOSUN EPS CARRY RETICLE STUCK - HELP!

Okay guys, I'm having a major issue with my Holosun EPS Carry. The reticle is completely frozen. I've tried everything - taking it apart, cleaning it, adjusting the settings, but nothing seems to work. It's like it's possessed. Has anyone else ever experienced this problem? Any tips on how to un-brick this thing would be greatly appreciated! You gu