I have a 10 year old 8 zone RainBird system that was working until about 2 weeks ago. First off, zone 7 never came on when I started the system after the winter. It wasn't receiving power, and if I switched the zone 7 wire at the controller with zone 8, I could then turn on the 7th zone by turning on zone 8. Then, all of a sudden, the whole system stopped working. I can still turn the zones on manually by turning the solenoids, but not through the controller. There has been no recent digging in ...
