The short answer
A single zone that fails to run may have a controller, wiring, valve, or water supply problem. A photo and a description can help prepare for service, but an on-site check is needed for a diagnosis.
Notice what the system does
Write down the affected zone number. Does the controller appear to run the zone? Do you hear water, see a small trickle, or find a wet patch? Does the next zone operate normally? These observations are more helpful than guessing which part is broken.
Check only what is safe and familiar
Review the controller’s display for a paused program, rain delay, or error message. Do not open powered equipment, reach into wiring, or force valves. If water is escaping, use a clearly identified irrigation shutoff only if it is safe to do so.
Send the clues with your request
Include the controller model if visible, a wide photo of the affected area, and a close-up of any visible leak. Describe recent landscaping or changes to the schedule.
A useful next step.
Tell us about your property and we’ll help you work out the right next step.
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