If you closed the flow control all the way the sprinklers wont work. Maybe you're screwing them the wrong direction. Opening them when you think you're closing them.
Clockwise is closing, counter is opening.
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Are you sure you have the 2700 series and not the old
711APR? Scroll down.
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It could be the diaphragms are bad. For a sure fix you could buy three new valves and harvest the parts off of them.