Hi ,I have a 50 watt blue and white laser.I was running a project and the tube quit firing right in the middle of it.I used the pulse button,nothing.It sounds like everything is running but no tube action.I don't imagine there is any type of reset or inline fuse?I imagine it's the tube or PS.I don't have any idea where to start,I'm a drywaller no an electrician. Any help would be greatly appreciated. Thank you.