Proform Power 1080 - Treadmills "590qs" Questions

Proform 590Qs treadmill stuck on incline So we have a Proform 590Qs treadmill that when we plug it in starts to incline on it's own and the decline button does not work. We've tried the reset and even

Motor runs on and off on slow speed dont move , at high speed move , but now not moving at all Must insert in it oil.