Electric dryer not heating and stops?

We have a 2009 Kenmore Dryer and just 3 days ago it stop getting hot. It tumbles but there's no heat. Also, it will only tumble for about 10 minutes then it's stop and the "pause/cancel" button will blink and so will all of the buttons underneath ("cool down", "wrinkle rid", and "clean lint filter"). We cleaned out the lint filter and even let the dryer sit alone for 2 days, but it's doing the same thing. What could possibly be wrong? Do we need another heating element or is it something more serious? Thank you all so much! God Bless!