Repairing your NNS431BL LG Range is simple with official replacement parts made to fit your model. View a selection of popular parts, or review parts lists for each of the
NNS431BL model diagrams below. Trust us to help you find the part you need and get your
NNS431BL LG Range running again.
Most Popular NNS431BL Parts
These are the most commonly purchased repair parts for NNS431BL.
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This line fuse protects the microwave by shutting down if there is an electrical surge. If your microwave is not turning on, you may need to replace the fuse. This part is just over an inch long, metallic on both ends and white ceramic in the middle. Please remember to disconnect power to your microwave before starting your repair. This is a genuine OEM part.
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The microwave primary door switch, also known as a micro switch, is normally open. When the door is shut, the door switch will close to send power to the microwave to operate. If the microwave won’t start, then the switch has failed, and the part will need to be replaced. The micro switch is in the latch board section and monitors the position of the door. This part measures 1.5” L x .75” W NOTE: Due to the high voltage capacitor in the microwave, it can retain a lethal electrical charge, even when unplugged. It is suggested to have a service technician install the part. This is a genuine OEM part. Please disconnect the power to the microwave before beginning the repair.
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This part is used to generate microwave energy/heat.
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