My geo 2 is completely clean and has all the correct orings, pressure, settings, and everything else I can think of except for the fact that when the solenoid clicks it vents air, but the bolt does not move. I can tell air is getting to the back of the bolt because I removed the PC valve and degassed it and it fired a shot (a little test I thought up). The only other possible problem I can think of is a bad back check but I took the whole solenoid apart and cleaned it and nothing seemed to be out of place. There is a slight leak from the manifold but it is just a small perforation in the gasket near one of the screw holes. The gun has a brand new duracell battery and I have run out of ideas. I tried contacting Planet Eclipse in Rhode Island but they didn't answer my emails or return my phone calls. Any insight that could lead to the resolution of this issue will be greatly appreciated.