If your refrigerator light not working, start calm and systematic: the page shows the most likely causes in this order — a failed light assembly, a burned-out light bulb, a defective dispenser control board (not a likely culprit but possible), a bad light switch, a faulty door switch, or a dead light socket. Even though some models require replacing the whole light assembly, swap the bulb first since it is the simplest fix and often the problem. If the bulb does not restore the fridge light, test the door and light switches and the socket with a multimeter to check for continuity and power, and visually inspect the dispenser control board for burned components or missing voltage. If you need parts, enter your model number on RepairClinic.com to see the exact replacement light assembly, bulb, switch, socket, or control board that fits your refrigerator. Whether you’re a seasoned DIYer or tackling this for the first time, replacing the bulb or a single switch usually gets your fridge light working again without replacing unnecessary parts.
01 - Estate Refrigerator Light Assembly
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.
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While it's not a likely cause, a defective dispenser control board could be responsible for a dispenser light not working. You can inspect the board for signs of burning or a shorted-out component. You can also use a multimeter to determine if the board is sending voltage to the dispenser light's plug-in connecter. If no voltage is present, you'll know the board is defective and will need to be replaced.
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.
To determine if the light socket is defective, use a multimeter to determine if the socket is getting power. If the socket is getting power, but the light bulb won’t work, this indicates that the light socket is defective. If the light socket is defective, replace it.
First, ensure that the light board is receiving the proper amount of voltage. If the light board is receiving sufficient voltage, but the refrigerator light will not work, replace the light board.