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    Chuck13601's Avatar
    Chuck13601 Posts: 2, Reputation: 1
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    #1

    Jan 13, 2007, 10:21 AM
    Fluorescent Light
    Hi, I just replaced a light and the FS 2 part on my light. Works fine but the bulb keeps going on and off. An fs 2 is for 20 watt and thqt is what I HAVE

    Chuck
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Jan 13, 2007, 10:22 AM
    What size lamp? FS2 is only good for 20 watts I believe.
    Chuck13601's Avatar
    Chuck13601 Posts: 2, Reputation: 1
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    #3

    Jan 13, 2007, 10:27 AM
    Yes fs 20 is for 20 watt
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Jan 13, 2007, 11:58 AM
    If it works for a while, say a half hour or so, then goes off for a while, the ballast most likely is defective or the thermal protector is defective, or the ballast heat cannot escape.

    How often does the lamp go on and off?

    If it is more frequent, the ballast may be fine, and there may be a loose connection in the power feed, or at any connection at the lamp sockets.
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