Check the bulb to see if it has a dark area in the bulb or has a broken and loose filament.
Ge refrigerator bulb not working.
How to test a refrigerator lightbulb with a multi meter.
You can also simply replace the bulb with a new one.
Ge refrigerator light not working.
If your refrigerator light is not coming on it may be that the bulb has reached the end of its lifespan and has burned out.
Set your multi meter to the rx1 setting.
Remove the bulb from the refrigerator.
If the light board is receiving sufficient voltage but the refrigerator light will not work replace the light board.
When you shake the bulb you may hear a rattling noise if the filament inside is damaged.
Most light bulbs or lamps can be checked visually for a broken filament or can be checked with a multi meter for continuity.
This was unfortunately not a simple fix and i ended up getting in deeper than expected in regar.