in the base where the filter is should be a dome piece with a screw in the centre.Remove the screw and pull the top off.inside is 3 syphon tube.remove them and clean with HOT water.lay dishwasher on its back and 1 by 1 take hoses off and clean them through.Lastly there is a tube that goes to the water inlet valve.pull this off the valve and blow through it to reset the water valve lockout.Now retest
ck, September 2010
