If your Ikea refrigerator light not working, the usual suspects are straightforward and fixable. Some models require replacing the entire light assembly, but before you buy an assembly, swap the bulb first since a burned-out bulb is the most common and cheapest fix. If a new bulb doesn’t help, check the light switch and the door switch for continuity with a multimeter; switches that fail to show continuity when activated should be replaced. Next inspect the light socket for power; if the socket has voltage but the bulb still won’t light, the socket is bad. A defective dispenser control board is rarely the cause, but if the socket never sees voltage, test the board for output and visible damage. You can visually inspect for burned components and use a multimeter to verify voltages. Repair Clinic stocks Ikea light assemblies, bulbs, sockets, switches, and dispenser control boards, and you can enter your model number on RepairClinic.com to pull up the exact replacement part for your refrigerator.
01 - Ikea 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.