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MS2042DB (CBKQELF) LG Microwave - Overview

Diagrams for MS2042DB

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Microwave Micro Switch – Part Number: 6600W1K001C
$21.45
On Order
Microwave Micro Switch
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(4)
Part #6600W1K001C
This micro-switch is designed for use in your microwave. The function of this part is to monitor the door latch position and communicate to the electronic control board whether the latch is open or closed. If your microwave does not provide heat, or will not start properly, you may need to replace the micro-switch. This part is approximately 1 inch in length and 3/4-inch in width. It is made of black plastic with two metal prongs. This is an OEM part sourced directly from the manufacturer. This part is sold individually. Be sure to disconnect the microwave from the power source before you begin this repair.
Micro Switch – Part Number: 6600W1K001D
$21.45
In Stock
Micro Switch
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★★★★★
(27)
Part #6600W1K001D
The door switch, often referred to as a primary interlock 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. Common symptoms related to a faulty primary door switch include: microwave will not turn/shut off, or the microwave will not heat properly. 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.
Motor Synchronous – Part Number: 6549W1S011B
$36.85
On Order
Motor Synchronous
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Part #6549W1S011B
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 not 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.
High Voltage Diode – Part Number: 6021W3B001V
$17.15
In Stock
Microwave Thermostat – Part Number: 6930W1A003B
$13.92
In Stock
Spring – Part Number: 4B72023A
$11.77
Special Order
Spring
Part #4B72023A
Capacitor – Part Number: 0CZZW1H004B
$43.18
On Order
Capacitor
Part #0CZZW1H004B
Store the electrical energy needed by a microwaves high-voltage heating system with this replacement capacitor. During cooking, the capacitor works with the transformer, diode, and magnetron to help create the energy that heats food. A faulty capacitor may be linked to no heat, loud buzzing, or a fuse that blows when cooking begins. However, these signs can also come from other high-voltage components, so proper testing is important. Microwave capacitors may hold a deadly electrical charge even after the power cord is unplugged. For this reason, testing and installation must be completed by a qualified appliance service technician.
Capacitor – Part Number: 0CZZW1H004C
$43.18
In Stock
Capacitor
Part #0CZZW1H004C
Screw,Customized – Part Number: 4000W4A003A
$13.92
Special Order
Screw,Customized
Part #4000W4A003A
Glass Tray – Part Number: 3390W1A035D
$27.36
In Stock
Glass Tray
Part #3390W1A035D
TRAY,GLASS – Part Number: 3390W1A035A
$21.45
In Stock
TRAY,GLASS
Part #3390W1A035A
Locker – Part Number: 4026W2A014A
$13.92
Special Order

Common Symptoms of the MS2042DB

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Microwave would not rotate or heat up food.
52 of 77 people found this instruction helpful.
  • Joshua from WHITE LAKE, MI
  • Very Easy
  • 15 - 30 mins
  • Screw drivers
After watching a few youtube videos, I used a phillips SD to take controll pannel off to access the switches that sense when microwave door is closed. Swapped out all 3 switched and mocrowave works like new. $20 fix (shipping included)
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Motor Burned Out On Turntable
37 of 49 people found this instruction helpful.
  • Steven from Oak Forest, IL
  • Really Easy
  • 15 - 30 mins
  • Screw drivers
My 8 year old daughter cleaned the inside of the microwave with enough water to rival a tsunami. Resulted in a clean microwave with a fried out motor that no longer revolved. Part came quickly. Took cover and bottom off to get to the part. One screw held it on and a plug. Removed those, put on new part and she was good to go. No tri p to home depot today.
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Broken door micro switch. (unit does not start heating)
37 of 68 people found this instruction helpful.
  • JAMES from BILLINGS, MT
  • Very Easy
  • 30 - 60 mins
  • Screw drivers
Unplug the unit before servicing. Need phillips screwdriver. Open door. Use step ladder to access and remove 2 small screws from top of the room air diffuser at top of unit. Slide diffuser slightly to the left to align the diffuser's plastic tab on the left side to rotate toward you. (The wires for the front control panel are at the far l eft side of this difuser, but difuser is slotted for easy removal). Once the difuser is removed you will see 1 screw at the top that secures the pannel cover on the left side of the unit. Remove screw and slide this panel slightly up and out. This exposes the plastic frame that holds the upper and lower door switches. To locate the door switches and observe how they work, close and open the door and watch the door (bayonets) open and close the micro switches. Do the (red) buttons on top of the switches move up and down when the door bayonets push and release? If the buttons do not "pop" up when opened the switch is defective. The switch frame is secured with 2 screws. Remove screws and rotate the unit out for easy access to the micro switch(s). The internal (spring?) on my unit that is suposed to allow the red (visible) button on top of the switch to "pop" up when the door is opened was broken. Carefully pry the switch outward while being careful to lift the plastic holder-piece that holds the switch in place. Be careful, there is a small pin on the frame, so rotate the switch OUT toward you while lifting (carefully) the plastic holder-piece (you will see it on top of the switch). You can use an ohm meter to test the continuity of the switches. But if the buttons don't "pop" they are defective. Replace switch and reassemble.
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