Tunturi T30F Folding Treadmill "j770" Questions

I have a Tunturi j770 treadmill with error code E1... I have a Tunturi j770 treadmill with error code E1. What does this mean please? Buckmanservices.com solved the E1 code issue only $30 fixed it ...

Where can I find repair and owners manual for tunturi J770? Call Accell Fitness of North America they are the distributors of Tunturi they have tech support and they should have the items you are ...