Bulb ends gradually dimming |
| Cause |
Solution |
| Bulb is going
out |
Replace with
bulb of same wattage. Uniform dimming means the bulb needs
washing. |
Bulb does not light |
| Cause |
Solution |
Bulb ends not properly seated
Loose or broken connection |
Wiggle bulb
ends. If this does not work and the tube is rapid-start, check
for a loose or broken connection.
Search for source of problem by turning off circuit power,
removing tubes and fixture cover, and inspecting all
connections inside. If the problem can't be found, look for
loose connections and broken or bare wires in the outlet box. |
Bulb Flickers but won't turn on (delayed-start) |
| Cause |
Solution |
| Started not
seated properly |
Push starter in
and turn clockwise. |
Ends of bulb light but center does not |
| Cause |
Solution |
| Starter failure |
Remove starter
by pressing in and turning counter clockwise. Replace with new
starter. |
Fixture humming, emitting acrid odor or tar-like substance |
| Cause |
Solution |
| Ballast failure |
Compare price of
replacing ballast to replacing entire fixture. Choose
whichever is less expensive. |
