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RidgeRun05

Supreme Member

Posts: 314

Location: USA

11

Sunday, July 17th 2005, 1:45pm

Agreed, did you physically check the splices at the valves, or just do a visual? I have seen connections still in the wire nut before, but not making good enough contact to work. You may want to re-do the splices if you already have the ground dug up, just to see if it helps. Sometimes just a visual isn't good enough. Also, the ends of the wires may have become corroded and are no longer good conductors. You may have to strip back some wire and make a new connection. If there aren't any splices anywhere else in the yard, and all other zones are working normally, it has to be the wire at the valve or the controller. If this valve shares a common with the other valves, and the other valves work, suspect the zone wire, unless it is the last valve to be connected to the common, then check both again.
Tony Posey
Ridge Run Landscapes

Wet_Boots

Supreme Member

Posts: 4,073

Location: Metro NYC

12

Sunday, July 17th 2005, 1:53pm

With a multimeter, the most effective thing to check is resistance. Disconnect a zone wire from the numbered terminal, then measure its resistance to the common terminal, which can stay connected. Reconnect the wire, and try another one. If your multimeter could measure AC current, you could connect the problem zone through it, and actually watch the current flowing when the zone is on. That might just catch some sort of intermittent problem. But do recheck any field connections that might be able to affect the problem zone.

Wet_Boots

Supreme Member

Posts: 4,073

Location: Metro NYC

13

Wednesday, July 20th 2005, 5:24pm

Wait a moment. Are these black plastic Toro Flo-Pro valves, with the solenoids and wire connections at the center of the valve top?

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