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ELECTRICAL |
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Fluorescence Trouble-shooting
Fluorescent lights are great, long-lasting and economical, but sooner or later
they’ll need replacing. Before they do, they might start acting up. If the bulb
blinks on and off, it’s the obvious time for replacement. If tubes hesitate or are
slow to start, the starter (if you’ve got one) or the ballast needs replacing. If the
light "swirls" down the tube or flickers, it’s because the tube is either new or cold.
Just leave it on for a few minutes and it should disappear. An orange glow at the
ends indicates you need a new starter. Black at the tube ends means the end is
near. A loud humming is also common. Vibrating fixture parts cause this
humming. Tighten all screws.
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