I Have A Kenmore He3 Electric Dryer And When I Go To Set It Up To Dry I Hold Down The Start Button And All It Will Do Is Beep And It Will Not Start. I Can Do About Anything But This Dryer Has Stumped Me!
Here is the tech sheet
http://www.servicematters.com/docs/wiring/Tech%20Sheet%20-%208557311.pdf
Unplug the unit for half an hour or so to see if it will reset.
Check in the manual in case the keyboard has been inadvertently locked.
See if you can get into the diagnostics.