The part(s) or condition(s) listed below for the symptom Refrigerator light not working are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
The light assembly might be defective. Some manufacturers don’t sell the light assembly components separately, and instead require you to purchase the light assembly.
To determine if the door switch is defective, use a multimeter to test it for continuity. If the door switch does not have continuity when activated, replace it.