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Discuss Odd fluorescent tube goings on. in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    Had an interesting situation today.

    Playing about putting new tubes and starters in four fittings, found one pair of tubes where when new tubes and starters fitted the tubes didn't come on.

    When I put the old starters back in with the new tubes they came on.

    All tubes and starters were compatible and from the same manufacturer.

    What could cause this?

    My guess is that a used starter is more bendy (technical term) through use and it's a sign that the ballast is on its last legs.
     
  2. darkwood
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    darkwood Super Moderator Staff Member Super Moderator

    Location:
    West Yorkshire
    Are these series starters or are we talking 2 separate tubes with independent ballasts?
     
  3. buzzlightyear
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    buzzlightyear still kicking sand, before pushing up daisies . Electrician's Arms

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    star command
    who's starters where they ,and what watts ,I had the same problem a few weeks back .
     
  4. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    4 x 2ft tubes, 2 tubes on one ballast, a starter for each tube.
     
  5. darkwood
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    darkwood Super Moderator Staff Member Super Moderator

    Location:
    West Yorkshire
    You have probably got a duff starter, if you swap it out for 2 new ones you know work you will probably find the tubes strike ok (as the old ones showed)... it can be confusing because you have 2 starters that need to work in order for any of the tubes to strike.
     
  6. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    SYLVANIA 18W tubes and 4-65W SYLVANIA starters
     
  7. buzzlightyear
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    buzzlightyear still kicking sand, before pushing up daisies . Electrician's Arms

    Location:
    star command
    you mean louver ones ?
     
  8. darkwood
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    darkwood Super Moderator Staff Member Super Moderator

    Location:
    West Yorkshire
    You have got the wrong starters by the sound of it, you need series starters usually 4-22watt with series written on them, this is why they don't work.
     
    • Agree Agree x 2
  9. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    Went through a box and all were the same, weirdly put the old starters in and they worked.
     
  10. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    Yes.
     
  11. Flanders
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    Flanders Regular EF Member

    Location:
    Tamworth
    Are you sure your using the correct starters if two on one ballast I think yoh need the series ones
     
  12. GBDamo
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    GBDamo Regular EF Member

    Location:
    UK
    Wasn't aware of the difference and haven't seen this before. Will look into this.
     
  13. darkwood
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    darkwood Super Moderator Staff Member Super Moderator

    Location:
    West Yorkshire
    You may be best replacing the old ones, if any are partly burnt out with trying to start failing tubes then they may fail on your new tubes and massively reduce life expectancy of tubes.
     
  14. buzzlightyear
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    buzzlightyear still kicking sand, before pushing up daisies . Electrician's Arms

    Location:
    star command
    turn that h up side down and you will have a u.
     
  15. darkwood
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    darkwood Super Moderator Staff Member Super Moderator

    Location:
    West Yorkshire
    We all go through a learning curve, it's one of those mistakes you really only make once, now you know you should be fine in future, to note!, not all 2ft multi tube fittings are series wired, always check or take both options if ever called out.
     
    • Like Like x 1
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