Is the loop in the end of the drain hose at least 20" (50.8 cm) above the subfloor or floor?
Your dishwasher could be siphoning. Make sure to connect drain hose to waste tee or disposer inlet above drain trap in house plumbing and 20" (50.8 cm) minimum above the floor.
CLICK HERE for more information on connecting the dishwasher to the drain.
CLICK HERE to watch a video on how to connect the dishwasher to the drain.
Is the door open or unlatched? Is the START/RESUME indicator flashing?
If the door is opened during a cycle or the power is interrupted, the Start/Resume indicator flashes. Resume the cycle by pressing START/RESUME and closing the door within 3 seconds.
Is the water supply valve turned off?
The water supply valve must be turned on for the dishwasher to fill.
Is the overfill protection float restricted?
Remove obstructions from the float area. Move the float up and down to see if it moves freely. The overfill protection float (in the front right corner of the dishwasher tub) keeps the dishwasher from overfilling. It must be in place for the dishwasher to operate.