Common cause of ceiling fan light problems.
Led ceiling light flashes.
That may be all you need to do but if the bulb still flickers remove it and try another bulb.
This professional electrician should not make mistakes.
If the flickering bulb is a cfl try replacing it with an led or incandescent bulb.
They are 4 foot flourescent fictures.
The 4th flashes on an off like a strobe.
Led bulb flickering can be traced in almost every instance to a non compatible dimmer switch in the lighting circuit.
Additional possibilities with ceiling fan light strobe.
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If you re able to verify that the ceiling fixture is the only one flickering get a ladder and try tightening the light bulb.
If the led light flashes when it is turned off we first need to eliminate the circuit problem that is the switch touches the live wire and the zero wire touches the electrical appliance.
A poor connection between the light or fixture switch and the bulb can cause flickering.
If it does you ve found the problem.
I have 4 ceiling lights.
I put two of the working lights in flashing fixture and they strobed as well.
Modern dimmer switches create the dimming effect by switching the power supply.
Try gently wiggling the switch to see if this causes a flicker.
If your light is already flickering try toggling the switch on and off and see if this fixes the problem.
It only happens in the one fixture.
They are all the same.
The most common cause of ceiling fan lights that strobe like this is due to wrong size light bulbs more specifically the light bulb size may be too large so i would check this first and make sure they are the recommended size.