Most of the time the key pad overlay will go bad and it normally takes out a couple of keys or so. They are all interconnected.
Key pad overlays are little bubble buttons that sometimes collapse.
A normal symptom is it won't elevate or slow down. A test for this is, On most treadmills when you push a button you get a beep. If your button doesn't beep. You keypad is bad.
But what concerns me is your display shows 0.
It almost sounds like an upper electronics problem.
If your belt is moving your speed window should show a speed.
This is the address for your users manual. www.iconservice.com/pdf/299260.pdf On page 21 there is recalibration for incline. Give it a try. Call Icon Health and Fitness for service www.iconservice.com/contact.html
www.mindbites.com/person/214-Mark
Mark Peterson, March 2008