MY HOLOSUN EPS CARRY RETICLE STUCK - HELP!

Okay guys, We're having a major issue with this Holoson EPS Carry. The reticle is completely frozen. I've tried everything - taking it monarch ammo 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 woul