The AEG ÖKO_FAVORIT 50800 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.
The fault code (2) is shown on the multi-display or the ^ indicator is illuminated. This generally indicates a minor fault that can often be rectified by the user.
The fault code (3) indicates that the leak prevention system has been triggered.
The ^ indicator illuminates when there is no water running into the dishwasher, which might be due to a blocked tap or lime-scale buildup.
The [ indicator serves as a reminder to check and clean the dishwasher filter at regular intervals.
This indicates a blockage in the siphon or an incorrectly laid water drain hose.