Help! My Dishwasher Has Power, But Wont Clean!

[SIZE=4]HELP! MY KITCHENAID DISHWASHER HAS STOPPED SWOOSHING WATER AROUND INSIDE! THE SCREEN/BLADE WAS ACCESSED TODAY, CLEANED AND REINSTALLED SUCCESSFULLY, SO THERE ARE NO OBSTRUCTIONS, YET IT IS STILL NOT WORKING CORRECTLY! THE POWER IS WORKING FINE, YOU CAN HEAR IT TURN ON, AND THE STEAM STILL WORKS WELL,BUT THE WATER BLADES ON TOP AND BOTTOM ARE NOT WORKING AND THE WATER ONLY PUDDLES LIGHTLY ON THE BOTTOM OF THE MACHINE! WHAT IS CAUSING THIS PROBLEM IF THE SCREEN IS CLEAN? PLEASE HELP! I NEED TO FIX IT ASAP AND I DONT HAVE THE FUNDS TO CALL A TECH SO I WILL BE DOING IT INHOUSE AND RECRUITING THE HELP AGAIN OF MY SON. THANKS AGAIN! HOPE TO HEAR FROM SOMEONE SOON! IM DESPERATE![/SIZE]