Share 'Lava problems'

So i have this 16.3" lamp, and i can never get it to flow. I have a gookit coming for so,e other lamps, so i may redo it, because idk what the problem is. I have had this lamp on for two hours now, and it never flows, just sits there. The lamp is kinda warm, but not super hot. Its about 70 degrees in here, and im at a loss as to what the problem is. Any thoughts or suggestions?