got to the customer water in base so will only pump.I got all the water out dishwasher overfills. Checked for blockage in sump and pressure hose to pressure switch flushed through with syringe and water checked for wear in hoses there is none. Pressure switch has 3 wires to it, blow up switch seems ok. Dishwasher only been in use 18 months. Havent got any error codes or flashing neon.Any ideas where to go next???????????????????