My Claw Bot IQ claw won't move up and down

So I need help I don’t have pics but I will send the tomarow but my claw won’t move up and down we don’t have time to re build it are competition is on oct 19 so plz tell me anything that can help I need it I’m in 5 grade it’s my second year doing vex so can you plz help me it’s claw bot IQ that I have problem with

3 posts were merged into an existing topic: My clawbots claw won’t move up and down