No water coming from sprinklers of 3 zones

Although the App says that it is watering a particular zone but no water comes out of the sprinkler heads. What could be causing that?

Answer From Mario Arisi

24
Mario Arisi
 Updated at 2026-06-28 18:24:39 UTC
Have you tried that zone to activate with manual function, just to be sure solenoid valve is working?
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