I have a 16 zone unit and the app shows that it is watering, i.e. counting down for each zone, but the heads are not activating. What is weird is that I can activate any zone (hit the play button) from my phone and that zones sprinklers will go off. So I know it's not the control wires or solenoids. I have the latest updates and rebooted the unit several times. Any ideas are greatly appreciated because I am stumped.
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