Electronic ballast (?) problem

Discussion in 'Lighting' started by Mark F, Mar 27, 2008.

  1. Mark F

    Mark F Guest

    VEB82234 drives two circline bulbs, FC12T9 and FT16T9
    Very short bulb life, one fixture refuses to start at all,
    replaced bulbs in two, died almost immediately.
    Pulled a ballast apart, brown gunk leaked from somewhere,
    couple of electrolytic (68uF / 200v) caps seem to be a bit
    swollen....

    Is it worth fixing / troubleshooting, or simply take my
    100 dollar lumps (home depot canada pricing) and use
    something different...
    thanks / mark
    Mark F, Mar 27, 2008
    #1
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  2. Mark F

    Mark F Guest

    Mark F wrote:
    > VEB82234 drives two circline bulbs, FC12T9 and FT16T9
    > Very short bulb life, one fixture refuses to start at all,
    > replaced bulbs in two, died almost immediately.
    > Pulled a ballast apart, brown gunk leaked from somewhere,
    > couple of electrolytic (68uF / 200v) caps seem to be a bit
    > swollen....
    >
    > Is it worth fixing / troubleshooting, or simply take my
    > 100 dollar lumps (home depot canada pricing) and use
    > something different...
    > thanks / mark


    It gets worse - all the diodes are open (bridge input),
    so I'm betting on a power spike. Caps were just
    victims of this / mark
    Mark F, Mar 27, 2008
    #2
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  3. On Thu, 27 Mar 2008 19:11:06 GMT, Mark F <>
    wrote:

    >VEB82234 drives two circline bulbs, FC12T9 and FT16T9
    >Very short bulb life, one fixture refuses to start at all,
    >replaced bulbs in two, died almost immediately.
    >Pulled a ballast apart, brown gunk leaked from somewhere,
    >couple of electrolytic (68uF / 200v) caps seem to be a bit
    >swollen....
    >
    >Is it worth fixing / troubleshooting, or simply take my
    >100 dollar lumps (home depot canada pricing) and use
    >something different...
    >thanks / mark


    It all depends how much your time is worth. You may be
    able to fix it, since the ballast still powers the lamp, and
    also turn it into a learning experience; but it may take
    many hours to find and repair all the problems. And,
    without a circuit diagram there is no assurance you will be
    successful.

    --
    Vic Roberts
    http://www.RobertsResearchInc.com
    To reply via e-mail:
    replace xxx with vdr in the Reply to: address
    or use e-mail address listed at the Web site.

    This information is provided for educational purposes only.
    It may not be used in any publication or posted on any Web
    site without written permission.
    Victor Roberts, Mar 28, 2008
    #3
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