Sprinkler System doesn't Power ON

Discussion in 'Irrigation / Sprinkler Forum' started by ua, May 29, 2012.

  1. ua

    ua New Member

    May 18, 2010

    I have a hunter sprinkler system.
    It got winterized by someone last year but now when I am trying to start it up, I see no power supply on the controller.
    Power points are working fine.

    Any idea what could be wrong (any cable people usually disconnect while winterization???)

  2. BobL43

    BobL43 DIY Senior Member

    Mar 25, 2011
    Retired Industrial Automation controls/tech s
    Long Island, NY
    Power points working fine, meaning what? that the transformer is plugged into a working AC outlet? If you measured the transformers 24VAC output to be OK, have you checked for a blown fuse in the controller. When you say ypu see no power supply on the controller, do you mean that the display panel, if it has one, is dark? I would think that no cables from the controller to the zone valves would be connected, but it is possible that the guy that winterized it may have unplugged the transformer?
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