Don't know have no idea! But I had a bench top dishwasher that burst a pipe and stopped, it had a polystyrene pad that floated up and tripped the switch when water got where it shouldn't. There is the key, water will flood the bottom tray allowing the "float/sponge" to expand/rise and cut off the supply,try to raise the machine VERTICLY you may need help and see if there is water lying in the bottom of the machine(it will end up there)then look upwards into it and see if a pipe has split or come undone.
rich
April 2014