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  1. #1

    Evo Aqua uv not lighting up

    Hello just installed a new bulb into my 55 w uv and the bulb is not lighting up

    I have checked power and I have power all the way to the bulb Connections

    I was going to go and get another bulb just in case but is there anything I can check beforehand


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  2. #2
    I had the same issue recently due to the fiddly connectors not clicking into place properly, one end really needed a push before it gave that satisfying click?

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  4. #3
    Thanks for the reply been out again this morning and they are fully in and I get a click

    I take it that they will work ether way round or blue and brown does not matter ?


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  6. #4
    Quote Originally Posted by glennmartin9999 View Post
    Thanks for the reply been out again this morning and they are fully in and I get a click

    I take it that they will work ether way round or blue and brown does not matter ?


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    I can't remember, it was a few months ago now since I had to do it but I don't think it matters... I checked the manual too and see no reference to that http://www.evolutionaqua.com/acatalo...al-UK-ONLY.pdf.

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  8. #5
    So just tried 3 different bulbs and none will light up


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  9. #6
    Sounds similar to me, I've got one of those electrical tester pens so I knew each cap was getting power but as soon as I slid the bulb in and screwed the end cap on it kept coming loose... the only advice I have is to make sure that the bulb is sticking out the same amount each end i.e. not one sided otherwise it makes it more difficult for the opposite connection to fit properly and to press harder than it feels OK to do!

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  11. #7
    Same here have tested with my pen and it’s getting power at both ends

    I have connected the bulb but not put the black covers on and I cannot see the bulb lighting up


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  12. #8
    Quote Originally Posted by glennmartin9999 View Post
    Same here have tested with my pen and it’s getting power at both ends

    I have connected the bulb but not put the black covers on and I cannot see the bulb lighting up


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    Not sure I can help you more, wish I could but I just remember it being fiddly to align and press down on the pins so that there was a connection. If you've got multiple bulbs I see no issue pushing hard! Can you connect one end and then test the other end of the bulbs pins to see if power is getting through i.e. it is connected properly rather than a bulb fault?

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  14. #9
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    Quote Originally Posted by glennmartin9999 View Post
    Thanks for the reply been out again this morning and they are fully in and I get a click

    I take it that they will work ether way round or blue and brown does not matter ?


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    I always put mine. Brown to brown. Blue to blue. Not saying it makes a differance. As i have always done it that way. Try it. You got nothing to lose.

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  15. #10
    Just spoken to evo aqua and they have said it sounds like the uv is dead and only option is to buy a new one


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  16. #11
    Extreme Koi Member Rank = Gosai kelv0102's Avatar
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    Have you checked that the connections are clear from rust and grim so your getting a good connection? Do you have a normal tester that beeps on complete circuits? This way you can check the lamp is still good.


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  17. #12
    I don’t think that this would work as the tubes have no direct connection to each end


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  18. #13
    Also I have tested the connector ends with a multimeter and I am getting a connection to the ballast


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  19. #14
    Extreme Koi Member Rank = Gosai kelv0102's Avatar
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    Quote Originally Posted by glennmartin9999 View Post
    I don’t think that this would work as the tubes have no direct connection to each end


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    Test across each end my tmc 110 won’t work if one is out it’s how they have them wired up it’s really strange if you put a continuity test in the electrical fitting at one end does it beep?


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  20. #15
    Sorry can you explain what you mean about Test at each end ?

    If I Test the brown wire from the ballast to the bulb connection I get a complete circuit and the same with the blue wire

    This tests ok both ends from the ballast to the lamp connection


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  21. #16
    Extreme Koi Member Rank = Gosai kelv0102's Avatar
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    Ok stick the ends of your multi meter into where the lamp goes (make sure the power is off!) then put your tester into continuity test and see if it beeps


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  22. #17
    I have tried that but I am not getting a circuit

    It gets as far as the ballast


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  23. #18
    Extreme Koi Member Rank = Gosai kelv0102's Avatar
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    Right because the circuit is to the other end so keep one at one end and try each of the other end one will be the circuit


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  24. #19
    Extreme Koi Member Rank = Gosai kelv0102's Avatar
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    Also if you can get to the ballast take a picture strip it out and either electrical wholesale or google the part and change it it’s all it can be


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  25. #20
    Just tried that as well and getting nothing


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