Answer 2 More Explanation
There is a single filament of thin wire of Tungsten used in incandescent bulbs, so when it's heated by electrical current the air molecules around the filament warm. Electrons are excited to a higher orbit and they return to their original position via the emission of photons. The light emitted is what we call incandescence.
If there is a bulb, it should work.
To build the light bulb.
Bad bulb, no power, no ground.
There are 3 possible reasons as to why the light bulbs do not work in your refrigerator.Light bulb is blownFaulty door switchesFaulty light bulb fittings
NO
The bulb won't work.
there is a bad ground ,or the wire going to the bulb is open or the bulb is burned out.
check the bulb
No
With a light bulb!
wrong bulb in the rear wrong bulb in the rear
If you have another CFB try it in the same position as the one that is not working. It sounds like the CF bulb is defective.