I have a whirlpool adg 332 and the green light is flashing 4 times any ideas ?

SOURCE: Power Light Flashing - Machine wont Start - Whirlpool ADP5966

this is a fault code. it will flash so many times and then pause.
let me no how many flashes before the pause and i will tell you what fault code it is

SOURCE: flashing light

I had this problem at home too, it turned out to be a kink in the water outlet pipe. I straightened out the kink in the pipe, put duct tale around it to strenghten it and the dishwasher has been working perfectly since.

SOURCE: clean light flashes

You will have to reset the console. To do this, close the door and press these buttons in sequence...

-high temp wash
-heated dry
-high temp wash
-heated dry

...all the lights will turn on briefly and the machine will start a diagnostic cycle. You can press cancel or let the diagnostic cyle finish (1-2 minutes).
You should now be able to run the dishwasher as normal.

SOURCE: whirlpool adg 7550 starts cycle then beeps and

6 flashes indicates water intake fault ie machine is saying it has not filled with water within the required time.
-Check inlet hose not kinked or blocked.
-Next, check inlet valve is OK (check with ohm meter-should read approx 4k ohms). If no circuit thru valve, replace.
-Could also be fault with water indicator switch (much harder to access and diagnose- located underneath sump on right hand side).
-I have also had this occur because of a faulty flow meter. Flow meter measures the volume of water as machine fills. Flow meter is large plastic chamber located on left hand side of machine (accessed by removing left hand side panel). It has a sensor on the bottom with 2 blue wires. Unfortunately again, very hard to test this component without specialist equipment.
Hope this is some help- not sure how technically minded you are, but checking inlet hose for kink/obstruction is a good place to start, then advise calling service technician unless you are a confident DIYer

SOURCE: Whirlpool ADG 6556 flashing code

Refer user guide for the correct meaning!

Meanwhile Check all the dispensing compartments- salt - rinse-aid, free inlet water flow and the door close.