When it cuts out is the start light flashing?
If so count the number of flashes from it in between the pause and let me know.
no just a red light
Ok lets try and run a test cycle.
Make sure the door is closed
Turn the dial to the rinse cycle.
Turn the dishwasher off
Press and hold the start button.
With that held in turn the dishwasher on.
Once the start light starts to flash let go of the button.
Now press the start button once and it will run a test cycle which is about 12 minutes long.
If it picks up a fault it will beep and drain the water out and the start light will be flashing.
Count the number of flashes from it inbetween the pause and let me know.