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Zones not turning off

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12 comments

  • Avatar
    lanbrown

    Have you tested to see if you still have 24V even if the valve(s) aren't connected?

     

    1) So disconnect the valve(s) and verify that there is no output power to the zone(s)

    2) Then turn on the zone(s), check to make sure there is power

    3) Turn off the zone(s) and is there still power going out?

    The purpose of no valves being connected, it removes any potential wiring issue.  All that should be plugged into the Pro 8 should be the power adapter.

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    Peter

    Yes I have just tried that, it seems to work fine without anything but a multimeter connected. But then I tried a brand new solenoid connected directly to the unit with the multi meter and it goes back to behaving the way it was (leaving 24v when zone turned off)

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    lanbrown

    Can you post a picture of how you have the valve connected?  This happens on all zones, correct?

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    Peter (Edited )

    I have one wire into C and the other into 1

    yes all zones.

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  • Avatar
    lanbrown

    That is just really strange.  Best bet would be to contact them directly:

     

    https://www.rainmachine.com/help.php#contactForm 

     

    Monday to Saturday from 9 AM - 5 PM PST

    Call us: 844-498-8707

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    Peter

    I have

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    Peter

    This one has really got me, they've sent out a second one and exactly the same thing is happening.
    Ive tried a new valve connected directly to the pro 8 - issue, checked with multimeter attached aswell and the 24v stays after zone shuts off.
    Tried just the multimeter and it works as it should.
    The vales worked perfectly with my old manual irrigation controller.
    It seems like the rain machine pro just doesnt like any sort of load on it and fails to switch 24v off.

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  • Avatar
    lanbrown

    I don't have an issue with my Pro.  I think you have a wiring issue.  Given that you have had two units with the same problem and both work as they should when they are not connected to the wiring, this points to an issue in the wiring/installation.

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  • Avatar
    Peter (Edited )

    I really don’t see how it can be a wiring issue when I’ve bought a brand new valve and connect it straight to the machine (no additional wiring through the ground or anything like that) it won’t turn off.
    If I disconnect the valve (ie remove 24v) it will shut off, just the controller doesn’t seem to be switching the 24v off.
    I just can’t see how it can be a wiring issue, it’s not as if it’s complicated wiring, it’s literally two wires.
    The existing system worked with my manual controller.

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    lanbrown

    Your vales are A/C and not DC?

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    Peter

    I’m not sure, I assume they would be dc.
    What should they be?

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  • Avatar
    lanbrown

    If they are DC, we found your issue.  Valves are sold for either DC or A/C use.  The Rain Machine outputs AC.  So if you're using DC valves, then there is still current flowing through the common wire and that can be enough to keep the coil energized.

     

    Look at the Raid Machine and you will see that the included power adapter outputs 24VAC.

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