When your JC Penney oven light is out, the problem may be the oven control board, light assembly, bulb, halogen lamp, light socket, or light housing. Although a defective control board is not common, it can stop sending voltage to the light bulb or light assembly. Test the light socket or assembly with a multimeter, and verify that the light switch has continuity. If the switch works but the control board is not supplying power, replace the oven control board. Next, check the light assembly, since its components are often not sold separately. A burned-out light bulb or halogen lamp is another common cause of an oven light not working. Test the bulb or lamp for continuity, or install it in an identical socket. If the socket is receiving power but the oven light still will not turn on, the light socket may be defective. A faulty light housing can cause the same symptom when power reaches the socket or assembly. Enter your JC Penney range, stove, or oven model number to find the exact replacement part for your appliance.
01 - JC Penney 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.