Try this to test for the Even Heat Control Board -
Push and hold the start button to see if the dryer will start and stay on as long as you hold the button. If it does, then the Even Heat Control Board is the problem.
If not then....
Have you checked for voltage at the motor? What did you find? If you have voltage, check the relay on the motor and test the motor.
I have some information that will give you disassembly instrucitions and more. I have uploaded it for you. This will let you see how to get to all the parts to trace the schematic and test components.
When you go to the site to download do not use AOL. Use Internet Explorer or another browser because that site does not like AOL. Choose the "Free" option. After you download the file you will need to open it with Adobe or another application. You should already have that on your computer.
Sometimes, the site is a little glitchy. If you have difficulty, clean your temporary files and your hard drive, restart the computer and try again. It's definitely worth it to have the right information. You can go to the top right corner and save the PDF file to your desktop for easy access.
Please click here - Whirlpool Dryer
Let me know if you would like more information and/or clarification.