So i Just acquired this dryer its in great condition Kenmore elite Gas dryer model 110.70052990, it worked fine yesterday but today it wont get off "COTTON high heat" and when i run the cycle it beeps constantly i found the technicians diagnostic sheet in the top and ran threw the first few steps and found nothing wrong with any of the controls or buttons it gets great heat the exhaust is clear and the lint thingy is clean i am kinda stuck here any suggestions would be nice.