When your Gibson oven light is out, the problem may be the oven control board, light assembly, light bulb, halogen lamp, light socket, or light housing. On many models, the control board sends voltage to the oven light (some ovens have a separate on/off switch instead), although it is not a common failure. Use a multimeter to check whether power reaches the light socket or light assembly. If the light switch has continuity but no voltage reaches the socket, the control board may need replacement. Next, inspect the light assembly, since some Gibson range, stove, and oven models require replacing the complete assembly rather than individual components. A burned-out light bulb or halogen lamp is another common reason for an oven light not working. Test either part for continuity or install it in an identical socket. If the socket receives power but the oven light still will not work, replace the light socket. A faulty light housing can also prevent the bulb or light board from operating when power is present. Enter your Gibson oven model number to find the exact replacement part for your range, stove, or oven.
01 - Gibson Range/Stove/Oven Oven Control Board
The oven control board is used to send voltage to nearly all of the oven's electrical components including the lights. If the control board is defective, it may be unable to send voltage to the light bulb or light board, although this is not a common problem. You can use a multimeter to determine if power is reaching the light socket or light assembly. If power is not reaching the light socket or light assembly and the light switch tests positive for electrical continuity when tested with a multimeter, then the control board is likely defective and will need to be replaced.
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To determine if a halogen lamp has failed, you can use a multimeter to test it for electrical continuity, or install the lamp into an identical socket to test it.
Use a multimeter to test for power to the light socket. If the light socket is getting power, but the oven light won’t work, this indicates that the light socket is defective. If the light socket is defective, replace it.
If you've determined the light bulb has not burned out or the light board appears to be functioning normally, it's possible that the light housing the bulb or board is installed in is faulty. Use a multimeter to determine if power is reaching the light socket or light assembly. If power is reaching the socket or assembly, then it's likely the light housing is malfunctioning and will need to be replaced.