Faulty light or fixture switch.
Led ceiling light flashes.
The 4th flashes on an off like a strobe.
2019 01 29 2019 01 29 razorlux2018 blog.
Try gently wiggling the switch to see if this causes a flicker.
I have 4 ceiling lights.
This professional electrician should not make mistakes.
If the flickering bulb is a cfl try replacing it with an led or incandescent bulb.
A poor connection between the light or fixture switch and the bulb can cause flickering.
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.
In 3 lights they are fine and bright.
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.
Common cause of ceiling fan light problems.
If you re able to verify that the ceiling fixture is the only one flickering get a ladder and try tightening the light bulb.
Modern dimmer switches create the dimming effect by switching the power supply.
It only happens in the one fixture.
If it does you ve found the problem.
Additional possibilities with ceiling fan light strobe.
Led bulb flickering can be traced in almost every instance to a non compatible dimmer switch in the lighting circuit.
They are all the same.
They were normal florescents and i changed to 4 foot led bulbs.
They are 4 foot flourescent fictures.