Dishwasher will not start. The clean light blinks four time and beeps. Is there a reset code

Turn off the power at the breaker for a couple of minutes and then turn it back on. What happens?

See if these help: https://dl.dropboxusercontent.com/u/8010163/KitchenAid%20KD-01%20Stainless%20Steel%20Dishwasher.pdf
https://dl.dropboxusercontent.com/u/8010163/Kitchenaid%20Briva%20Dishwasher.pdf
https://dl.dropboxusercontent.com/u/8010163/Kitchenaide%20Dishwashers.zip
https://dl.dropboxusercontent.com/u/8010163/Dish%20Washers.pdf
https://dl.dropboxusercontent.com/u/8010163/Electrical%20Theory%20and%20Diagnosis%20of%20Major %20Appliances%20Service%20Manual.pdf
https://dl.dropboxusercontent.com/u/8010163/Electronics%20and%20Electrical%20Troubleshooting%2 0and%20Repair%20Handbook.pdf
Look here, also: https://www.youtube.com/watch?v=XJnzzXJcOV4
https://www.youtube.com/watch?v=YrVgpD3CDQI&list=PL555D225DE41705D8 (14 videos on Kitchenaide Dishwashers)
https://www.youtube.com/watch?v=8ZrtcdtmyEk
You should check all of the safeties before assuming that you just need to reset it.