I turned on my dishwasher last night and went to bed.
This morning it was still on and the timer had not gone down.
It would seem that it is continualy trying to drain out water but does not seem to want to stop the drain pump and go on to the next cycle.
Flood protection activated, meaning that the white plastic base under the machine is full of water. Unplug the machine, lay some towels down and tip it all the way over to one side. The machine should reset – if you get a repetition, covers off and find the leak.