This light bulb is a 40 watt, 130-volt clear appliance light bulb that is manufactured to fit microwaves with small-base light bulb sockets. The light bulb illuminates the inside of the microwave while the microwave is running. You may need to replace this part if the existing one is burnt-out or broken. If the existing light bulb is broken, disconnect power to the microwave and remove the bulb base with a pair of needle nose pliers.

This is a common wear item, so it is recommended to order a spare. These light bulbs are sold individually. The secondary door switch is a simple on/off mechanism that stops the microwave from operating when the door is open.

The switch monitors the door latch position, and communicates whether the door is open or closed to the electrical control board. This door switch is approximately 1 inch long, and has 2 metal prongs called terminals that extend out of its body. Common symptoms related to a faulty secondary door switch include: microwave will not turn/shut off, or the microwave will not heat properly.

NOTE: Before you begin this repair, first make sure your microwave is unplugged, and that your capacitor is discharged. A capacitor stores large amounts of electricity even when your microwave is unplugged. This ceramic microwave fuse is just over an inch in length. It is white in the center, and metal on both ends. This is a 20-amp fuse, and is used to power your microwave. If the touch pad on the microwave becomes unresponsive, the microwave produces little to no heat, or the appliance simply does not turn on, it could mean that your fuse is at fault and needs to be replaced. Because this part contains an electrical charge, remember to disconnect power to the microwave unit before you begin this repair.

NOTE: Before you start this repair, ensure that the microwave is unplugged, and the capacitor is discharged. A capacitor stores large amounts of electricity even after your microwave is unplugged. This light bulb is located on the inside of your microwave. The bulb is behind the top grill. It will need to be replaced when it has burnt out and no longer works. Unplug the unit before beginning this repair.

Remove the top grill of your microwave, use your screwdriver to open the light socket, scrape off any silicone holding the bulb in place, clean the area of any oil and dirt, insert the new bulb into the socket without touching the bulb, slide the holder back into place, line up the tabs on top of the metal plate, and secure the holder back into place. This light bulb socket that is used in microwaves. The socket is meant to fit small-base light bulbs. * Please note: The light bulb is not included with this part and is sold separately. If the following symptoms occur, you may need to replace this part: existing socket is broken or cracked, light bulb is not turning on, or new light bulb does not work. Remember to unplug microwave before installing this part and refer to the manual provided by the manufacturer for installation instructions and a detailed diagram.

Unplug your microwave before attempting this repair. You will need to remove the grill, which is held into place by two screws at the top of the grill (open your microwave door before doing this). Remove the grill. Remove the screw on the left holding the control panel in place.

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