Repairing your MB3917H 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
MB3917H model diagrams below. Trust us to help you find the part you need and get your
MB3917H LG Range running again.
Most Popular MB3917H Parts
These are the most commonly purchased repair parts for MB3917H.
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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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