Maytag wont run contenuasly

dryer runs for few secondes then stop ,flash lights around start button flashes two times every few secondes, so if you knew the problem ,please let me knew.

Here are the parts
Model MDE4806AYW

And here is some troubleshooting info
http://www.servicematters.com/maytag_library/docs/16026315.pdf
http://www.servicematters.com/maytag_library/docs/16027523.pdf