Og cip automatic washing unit controls the entire milking system via preprogramed plc. Addition to og-cip1, the user can create own washing cycles, add or remove wash steps etc. Large lcd display shows every step during operation and settings. Starting up the system is much easy as all the time settings can be entered by alpha-numeric key board. The service is very easy, all the services can be checked during milking, thus allows service man to provide maintenance to all out puts/services connected to og-cip2 during milking, this allows less time for technician for maintenance.