The AEG FAVORIT 64800 Dishwasher has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your AEG might be giving you.
General fault in the dishwasher
Protection against flooding
Inlet hose may be squashed or blocked
Drain hose may be squashed or blocked
The door has not been properly closed
The rinse aid has run out
The salt has run out
Water tap is closed or mains supply is off