I just finished installing an irrigation system controlled by a rainbird esp-lx modular controller(two 8 zone modules). I ran a system test (raster) function using the controller and the results where that all zones (17) have "open" circuits. I suspect there is a problem with my ground connection. I daisy chained all valves together and all ground wire connections are located in valve boxes; However, out of the 17 zones, 5 are just dead ended in valve boxes without valves attacthed. In these 5 b...
