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Electrolux Microwave light bulb not working

An Electrolux microwave light is not working, the light bulb itself is the most likely cause. A burned-out bulb is the simplest repair, so replace the microwave light bulb before testing other parts. If your model uses a halogen lamp, test it for electrical continuity with a multimeter or install it in an identical socket. If the bulb and socket are good, inspect the wiring and test the main control board to verify that it sends the correct voltage to the light socket. A defective main control board can prevent the microwave light from turning on, although this is less common. A faulty door switch may also fail to signal whether the door is open or closed, keeping the light off or preventing its control button from working. Test each door switch, including the micro switch, for continuity and replace any switch that fails. Before ordering a microwave light replacement, enter your model number to find the exact Electrolux part for your microwave. If troubleshooting requires removing the outer cabinet, remember that the high-voltage capacitor can store a lethal charge even when unplugged. It must be properly discharged before interior work, which may require a qualified technician if you are not familiar with capacitor discharge procedures.

01 - Electrolux Microwave Light Bulb

The light bulb itself might be burned out. Replace the light bulb before replacing any of the parts associated with the light bulb
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Top Solution

02 - Electrolux Microwave Halogen Lamp

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.
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Top Solution

03 - Electrolux Microwave Main Control Board

Before replacing the control, check the light bulbs, sockets, and wiring. If these parts seem to be working properly, test the control board with a multimeter to determine if it sending the correct voltage to the light bulb socket. If the control board is not sending enough voltage to the light bulb socket, replace the control board.
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Highly Likely

04 - Electrolux Microwave Door Switch

A defective door switch may not signal the control board that the door is open or closed which may prevent the microwave light from turning on or prevent the button that controls the light from functioning. To determine if any of the door switches are defective, use a multimeter to test each of the switches for continuity. If any of the door switches do not have continuity, the switch or switches should be replaced.
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Highly Likely

05 - Electrolux Microwave Control Board

A microwave light bulb not working could be caused by a defective control board, although this is rarely the case. Before replacing the control board, check the light bulbs, sockets, and wiring. If these parts seem to be working properly, test the control board with a multimeter to determine if it sending the correct voltage to the light bulb socket. If the control board is not sending enough voltage to the light bulb socket, replace the control board.
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Common

06 - Electrolux Microwave Micro Switch

A defective micro switch may not signal the control board that the door is open or closed which may prevent the microwave light from turning on or prevent the button that controls the light from functioning. To determine if any of the micro switches are defective, use a multimeter to test each of the switches for continuity. If any of the micro switches do not have continuity, the switch or switches should be replaced.
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Common

Frequently Asked Questions

Why is my Electrolux microwave light not working?
How do I replace an Electrolux microwave light bulb or halogen lamp?
How can I test an Electrolux microwave bulb, socket, or door switch?
Can a door switch cause my Electrolux microwave light bulb not to work?
How do I find the correct Electrolux microwave light bulb replacement?

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