Had no ohms 1-2-3-4-9 and master. Found issue in zone 7 box. Replaced connectors and system working properly. Zone one flowerbeds drip good. Zone two parkway drip good. Zone three front lawn right side low pressure low possible broken lateral by walkway right side. Zone four right side of house low heads Zone five backyard spray valve stuck open. . Zone six backyard rotors good. Zone seven backyard rotors good. Zone nine left side of house 2 nozzles valve stays open broken head