The e7 is an error code of the problem. You will need to call the manufacturer to get the answer to the code.
Make sure there is nothing under the treadmill. If it is a fold up, make sure you have unfolded properly.
Some machines require the elevation to be at a certain spot
before you can use it.
markepeterson@austin.rr.com
www.mindbites.com/person/214-Mark
ark Peterson, March 2008