Hi, I set up my new Rachio 3 system last night. We have 12 zones. All zones except for zone 6 and 12 are working properly. I have tried several things, but nothing seems to work. And those zones worked with my old Rainbird system. Any thoughts?
Have you tried activating those zones manually at the valve box?
If they turn on manually, then I would suggest posting a picture of your wiring to see what is up.