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.
Fluorescent light flicker film.
If the lamp has dark circles at the ends and needs to be replaced.
Fluorescent kitchen light flickering on and off even though you replaced the bulbs.
However there are other sources of abnormal flickering fluorescent light fixtures that mean repairs are needed.
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.
The main causes of flickering fluorescent lights and how to fix them.
Replacing lamps before they burn out.
When a fluorescent light is flickering a bad starter or ballast is usually the culprit but not always.
Once you notice the flickering in a fluorescent light bulb it can be difficult to ignore the sometimes maddening effect.
Some are also trivially easy to repair while others require more expertise and cost.
But there are other causes of flickering lights.
This video will show you how to fix with in just minutes.
Sometimes the bulb has simply worn out and as john nugent sons advises sometimes the ambient temperature is too low.