[David Cavanagh]

I had this same issue – same model and three beeps. This indicated the flood sensor guard was activated. On some forums people are recommending removing and tilting the dishwasher. In my case I switched off the power and removed the front access panel below the door with the dishwasher in place. It was the case that there was water in the tray at the base and I could see the polystyrene mounted flood sensor was floating up. Simply drying this tray with a towel and flexing the sensor resolved the problem. Perhaps this might save a few others unmounting the dishwasher.

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