ih8technology

This is my first post so I would just like to start of by saying hello to everyone! Im hoping I can get some help today with a problem I'm having with a projector in a classroom. The problem is that it will not turn on what so ever, the fans are not powering up instead the projectors power LED continuinly flashes green. What is more confusing is the fact that it is flashing 7 times over and over again, this is something i have never seen before. Is the projector ready for the bin? Cheers