Sometimes the bulb has simply worn out and as john nugent sons advises sometimes the ambient temperature is too low.
Fluorescent light flicker film.
If the lamp has dark circles at the ends and needs to be replaced.
The main causes of flickering fluorescent lights and how to fix them.
But there are other causes of flickering lights.
When one or more fluorescent light fixtures are humming or flickering or if the light simply won t turn on the problem may be something as simple as a bad fluorescent bulb.
Fluorescent kitchen light flickering on and off even though you replaced the bulbs.
Replacing lamps before they burn out.
This video will show you how to fix with in just minutes.
Some are also trivially easy to repair while others require more expertise and cost.
When a fluorescent light is flickering a bad starter or ballast is usually the culprit but not always.
Common causes of flickering fluorescent light fixtures bad electrical contact between the pins at the end of the fluorescent tube and the metal contacts or clips inside of the tube socket at each end.
Once you notice the flickering in a fluorescent light bulb it can be difficult to ignore the sometimes maddening effect.
If the lamp is allowed to burn out in the socket it may cause the ballast to burn out and then it will need to be replaced as well.