Whirlpool 24 in. DU1100XTPS Built-in Dishwasher "flashing light padlock" Questions

light over padlock emblem is flashing three times after pushing the start button. Does anyone know what might be causing this and how to fix it? Pushing and holding the 'Heated Dry' button should turn

light went out. I turned the dishwasher on. It filled with water and then stopped with the controls locked button flashing again. Does anyone have any solutions? If I don't figure this out soon I will

...light is flashing along with the "Cancel" light. I tried holding the "NoHeat Dry" button for 4 seconds to unlock it. This does not seem to do anything. I tried unplugging it. No change. Please help ...