I can post as a result of a cut water service to the building without preventing my ariston dishwasher that was in operation at this moment does not work.
I'm sure the problem because my washing machine has also had an error at the same time, however, it has re worked flawlessly.
I will explain as clearly as possible:
I launch a program to express test, the discharge starts and removes about 2l water, I hear the valve opening is no problem but then there is the sound of water bubbling and I see the water splashing inside the clear plastic tube that is the picture circled in red.
It seems that this is a problem of water level, not enough water, checking the pressure, the compression chamber of the pressure and the small hose that connects the 2
To check the compression chamber breath in the small hose, it must not be blocked in breath is meant one or two clicks of the switch contacts The failure most likely chamber compression bite, giving the vessel full info