MS4842DP LG Microwave - Parts

This microwave door switch provides power to the various components in the microwave when the door is in a closed position, and interrupts power when the door is open. This door switch is approximately 1 1/2 inches long, and has 2 metal prongs called terminals that extend from its body. If your microwave will not turn or heat properly, th...Read moreere could be an issue with the door switch. You can check the switch for continuity using a multi-meter. With the actuator button depressed, you should see continuity between these terminals. If there is no continuity the switch will need to be replaced. 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.

The turntable support assembly is also known as a roller guide and fits under the cooking tray and is used to support the tray and to engage the rotating coupler. The support assembly has 3 arms and each is approximately 4 inches long. If your cooking tray will not turn, check the support assembly for signs of damage. If no damage can be seen, check the coupler for damage.

This AC synchronous motor is a genuine OEM replacement part specially made for microwaves. It operates on an alternating current, and it is responsible for rotating the turntable to ensure even heating of your food. The motor can fail due to physical damage or malfunctioning internal components such as the bearings. If your turntable is n...Read moreot rotating, you will need to replace the motor. You can find it underneath the microwave cavity, near the center. Disconnect the microwave from the power source and remove the cover. Turn the microwave over and remove the bottom panel to access the motor. Disconnect the motor from its mounting location, and then insert the new motor in its place. Ensure the new motor is securely attached before reassembling the appliance.

This magnetron in your microwave creates the radiation needed for cooking or warming your food. It is located inside the main cavity, typically near the transformer or waveguide. When the magnetron becomes defective, your food may not heat up properly or heat up at all. Additionally, buzzing or humming sounds may be noticeable while the m...Read moreicrowave is in operation. With a malfunctioning magnetron, your microwave loses its primary function. To remove it, you first need to unplug your microwave from its outlet. Before touching any components, discharge the capacitor by placing a screwdriver, with an insulated handle, across the two terminals of the capacitor. Once the capacitor is discharged, replace the current magnetron by disconnecting it from any wires and removing any mounting screws or clips. This magnetron is sold individually and is supplied directly from the original equipment manufacturer.

Usually found kitchen appliances, this OEM-certified diode cable assembly helps to convert power from the transformer to the magnetron, to heat up your food. A damaged cable assembly will cause your appliance to heat food inconsistently or to not work at all. You might notice a burning smell or a loud buzzing sound coming from your applia...Read morence. If you do not replace a broken cable assembly, the components that produce heat in your appliance can overheat and fail. To replace your cable assembly, start by unplugging your appliance from any electrical source. Remove any protective casing from the assembly by unthreading any screws or clips. Disconnect the cable assembly from the transformer and the magnetron with pliers. Reinstalling a new cable assembly requires you to reverse the previous steps. Please keep in mind that this cable assembly is sold individually.