They are set for 12 minutes off and 1 minute on. You should reset them for 8 (off) and 2 (on), or 9 (off) and 1(on).
To do this you hold the left select button and the aerator or recircualtor. The multi function window will then be flashing with the sequence of time.
Use the key buttons with the small arrows to move up or down. Then use the mode to switch from on to off and etc.
Once you have the time you prefer, hit the select key and you are set.
You have a security system, and can also set you clock with these functions.
You can search here and FAQ board and there is plenty of help.
BCB