FreeMotion I7.7 Incline Trainer Treadmill "30 degrees" Questions

I have a LifeSpan TR1000-TV treadmill. After 30 to 45 minutes walking on it at a 3.8 mph pace, it suddenly stops. After a few seconds the message "Err. 1" comes on the display. If I shut it off at the

Incline not working Incline is stuck at 30 degrees. Everything else works. The Trainer is reading;  Serching for motor controler