Kenmore dryer model# 88042 electric dryer in any mode will come on dry and tumble for 20 seconds and then shut off with hat it will blink and beep 6 times looked at the troubleshooting chart and it said the button might be sticking, all checked out fine. Also you shut it off by pressing the cancel switch twice and about ten seconds later the dryer will come on all by itself, not drying and tumbling but all the lights will come on. Help please