Life Fitness T3 Basic Treadmill "trojan incline" Questions

trojan inspire 330 is showing an E7 error. switching it off and on does not clear the problem. once i have switched the machine back on I can press start, it starts counting down the runs for a second

...incline motor set up on the Trojan stamina treadmill motor gets very hot and keeps moving to the upper incline with the motor removed but connected it keeps running intermitantly in one direction ...