Why won our sprinkler system turn off even when timer is unplugged?
defiantly obtained foreign debris in the valves ,if you have a pump you need to install a filter .or somehow your main pipe to the valves was broken and repaired without removing the dirt.or if you have richdale or irritroll type valves the white retainer for the pin on the solenoid tip was not removed upon installation,common with rookie installation. to find the valves you must have two people ,one at the timer and one walking the field ,probably going to be close to the sprinkler shutoff or the pump.the person at the timer will have to keep turning one of the stations that work correctly on and off repeatably while the other one walks listening for the solenoid ‘clicking’ .the other valves should be right next to it. then remove the solenoid and free the pin. if you find rain bird D.V.D.valves you will have to clean the blue tip on the solenoid and reinstall it. if that is not the problem then you will have to ta it apart and clean out the debris ,remember to always shut water suppl
