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Sprinkler Zone won't turn off

Posted by SDoutdoors (My Page) on
Fri, Aug 26, 11 at 10:10

I'm not much of a sprinkler guru so any help would be greatly appreciated. Here's my problem. When I plug in my sprinkler controller/timer, one of my zones opens up and won't shut off. When I unplug the controller, it closes again even with the water supply still on, so I don't think it's a problem with a grain of sand or anything keeping it open.
I wouldn't think that there should be power to the zones unless the timers are turned on, but they are all turned off. When I plug in the controller, with all the timers turned off, the solenoid in the yard for that particular zone starts buzzing and opens the zone and won't shut off unless I unplug the whole control unit.
Any and all help will be appreciated. By the way it's a Toro sprinkler system in case that matters.

Follow-Up Postings:

RE: Sprinkler Zone won't turn off

I had this happen once with our Toro system. I replaced the solenoid and that fixed it. I easily found the solenoid at Lowe's.

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