Community Home Community B-hyve Underground No AC – B-hyve 12 zone suddenly shows No AC

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  • #82044
    weh
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    Unit has been working properly for 4 years.
    Suddenly – ‘No AC’

    I’ve tested everything, but it still shows ‘No AC’
    – checked the circuit breaker
    – checked the GFI outlet
    – Opened the unit and checked the incoming ac
    – Opened the unit and checked the convert 26v output to board
    All power tests show no issues

    – Tried ‘reset’ button – does nothing
    – changed battery

    When I disconnect the display panel ribbon cable, the display is exactly the same – all blank except for ‘No AC’

    Can anyone offer some help?

    #82179
    [email protected]
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    I have the same problem with the 6 zone. The power transformer is putting out 29V AC to the power board. The power board has a fuse. It looks like a yellow capacitor but it is a fuse. You may want to check that. Mine was not blown. I have purchased a replacement powerboard on eBay for $19 and am waiting for delivery. I am guessing the board is bad since I cannot find any data on troubleshooting the power board. I will let you know if it fixes the problem… if it doesn’t I am anticipating having to purchase a completely now unit.

    #82185
    weh
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    I ended up buying a new unit, although I still have my old one.

    Please update when you have your solution – perhaps my old board is salvageable/replaceable – thanks

    #82193
    [email protected]
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    I just tried out the replacement Power board and the controller now works. In doing some comparisons I think the bad board has a bad Diode labeled D2. it is next to the L1. It is a B160 surface mount diode. I have attached a detail PDF of the diode. If I can find one I will try and replace the one on the board…

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    #82207
    [email protected]
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    how difficult is it to replace that power board? I’m not so great at electronics. but if it’s plug and play….
    thanks!

    #82413
    in4matik
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    I had the same problem after being struck by lightning. I sent the device to a local service center. They replaced two B160 diodes and now the device works. Maybe this will help someone.

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    #82415
    [email protected]
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    I just had the same problem with my 6 station sprinkler controller #57946. “NO AC”. I called Orbit customer support at 800-488-6156 and made a warrantee claim. This was after I tried disconnecting the power for 30 seconds, unplug the ribbon connecter, press reset, replace the battery… They asked me how long I’ve had the unit and I told them I’m not sure but it’s “more than a year”. And Orbit stood behind their product and provided a warrantee discount code where I was able to purchase a replacement online at orbit online.com at no charge. Outstanding product support! I suspect there may be a hidden warrantee with this “NO AC” issue. As some have said, there seems to be a circuit weakness in the 2 diodes that eventually fail after several years. I’m a happy customer!

    #82492
    scottsan
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    Just called for the same thing… offered me 30% off on a new one. Said no thanks, would rather not replace every few years at 70% (which is basically just Amazon price anyway). Guess another brand will get my business.

    #82507
    jay15
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    How much did it cost?

    #82527
    [email protected]
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    I have a 6 zone unit, same problem – controller just stopped working, started displaying AC Only. About 3 years old so when I spoke with tech support and went through their troublehshooting was offered the 30% discount. I’m similarly going to consider Rachio (discount through my water company) – while the tech was very polite, I also don’t want to replace these every 3 years, and seeing that others had the same issue, I suspect its a defect.

    #83453
    Jim Neargarder
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    This is the 3rd Orbit B-hyve 12-zone smart Indoor/Outdoor Sprinkler Controller I have purchased in the last 8 years.
    The first 2 have blown voltage regular chips on the WT-25 Power Boards.
    The Surface Mount Voltage Regulator chip has BN0H written on the top of it. Google thinks the replacement part is the SCT 2230, but google isn’t always right.
    If anyone has a replacement part, please respond.

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