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MMV5186ACQ (ABSEMTC) LG Range - Overview

Diagrams for MMV5186ACQ

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Light Bulb - 120V 30W – Part Number: 6912W1Z004B
$12.85
In Stock
Light Bulb - 120V 30W
★★★★★
★★★★★
(16)
Part #6912W1Z004B
This is a light bulb and it is a part for your microwave. This bulb uses 30 watts, operates on 125 volts, and is an incandescent lamp. The function of this bulb is to illuminate the surface underneath and inside of your appliance while the door is open, and during a cooking cycle. You will need to replace this part if your door is open and the light is not activated. We recommend that you unplug your microwave and leave it inactive for some time before making this repair. Proceed with caution as the capacitors in a microwave can hold dangerous electrical charges for long periods of time even when the appliance has been unplugged.
Air Duct Bracket – Part Number: 4810W1A151A
$17.15
In Stock
Air Duct Bracket
★★★★★
★★★★★
(2)
Part #4810W1A151A
This bracket holds the metal or plastic flapper that closes off the exhaust duct when the fan is not running and opens when the fan turns on. If the exhaust fan on your microwave does not appear to be working, the problem may be with the damper assembly. If the damper does not open and close easily, check for any damage to the bracket, and replace if it is damaged or faulty. This genuine OEM exhaust damper measures approximately 12 inches long by 5 inches wide.
Rivet – Part Number: 4051W3A001A
$6.40
In Stock
Magnetron – Part Number: 6324W1A001L
$130.68
In Stock
Magnetron
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(8)
Part #6324W1A001L
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 microwave 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.
Microwave Screwtapping – Part Number: 1TTL0402818
$13.92
Special Order
High Voltage Diode – Part Number: 6021W3B001V
$17.15
In Stock
Switch,Micro – Part Number: 3B73361E
$21.45
Special Order
Switch,Micro
Part #3B73361E
This is a micro switch, but you may also know it as a door switch and it is compatible with your microwave. The function of the micro switch is to communicate to the electronic control board of your appliance when the door is opened and closed. If this part is broken and needs replacing you will notice your timer activated but the food inside is not being heated. This part measures to be roughly 1.5 inches long by just over half an inch wide, and it is black in color. You will find the location of this part behind the front panel of your microwave.
Tray,Glass – Part Number: 3390W1G014A
No Longer Available
Tray,Glass
Part #3390W1G014A
Hardware Mounting Kit – Part Number: 3861W1A043C
$43.18
In Stock
Hardware Mounting Kit
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(4)
Part #3861W1A043C
Ensure a seamless installation of your microwave oven with this Hardware Mounting Kit from LG. This genuine OEM item contains all the necessary hardware required, making the assembly process a breeze. It is important to follow the manufacturer-provided owner's manual or installation guide while setting up. This piece may vary slightly in appearance from previous parts you might have seen, but it guarantees the same high-quality performance. This kit is designed to perfectly fit certain LG microwave models. Purchasing and using authentic installations kits such as this LG Hardware Mounting Kit ensures durability of your microwave oven.
Turntable Assembly – Part Number: 5889W2A015K
$27.36
In Stock
Turntable Assembly
Part #5889W2A015K
This LG Turntable Tray Support is an essential component for your microwave. It securely holds the turntable tray, allowing for uniform rotation, ensuring even heating for your food. Designed with precision and reliability in mind, it provides a secure and steady rotation for optimal functionality of your microwave oven. It is important to follow the instructions in your owner's manual when installing this part to ensure proper setup and avoid future performance issues. This rotating ring assembly is a testament to LG's commitment to delivering high-quality, durable parts to enhance the lifespan and functionality of your appliances. Invest in this product for the smooth performance of your microwave.
Turntable Shaft – Part Number: 4370W3A001A
$13.92
Special Order
Thermostat – Part Number: 6930W1A003J
$21.45
In Stock
Thermostat
Part #6930W1A003J
This is a high-limit thermostat for various models of LG microwave ovens. This thermostat acts as a preventative safety device and is designed to cut off continuity for the microwave oven if/when its temperature exceeds a certain threshold. If you are noticing dangerously high temperatures coming from your microwave oven, make sure to turn it off and test this thermostat with a multimeter for continuity, to ensure it is still working properly. If not, it needs to be replaced immediately. This thermostat is sold individually and does not come with any other parts or securing screws.

Common Symptoms of the MMV5186ACQ

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Magnitron failed
8 of 13 people found this instruction helpful.
  • Joseph from WILTON, NH
  • A Bit Difficult
  • 1- 2 hours
  • Screw drivers
Over the stove microwave installed in top cabinet row.
1. Unplug device.
2. Two people to remove from wall/cabinet (remove two, large, top mounting screws and rotate entire microwave down and off the wall mount). Should be some wood spacers between top of device and bottom of cabinet.
3. Remove screws from sheet metal cover .
4. Remove one screw holding blowers in place and rotate out of the way, in order to gain access to 2 of 5 screws that hold the magnetron in place.
5. Unplug magnetron and remove the 5 screws.
6. Drop in new magnetron and re-assemble microwave in reverse order (steps 5-3).
7. Two people restore micro to wall/cabinet. Replace wood spacers, re-install two, large mounting screws (finger-tight). Test device. Secure the two large screws.
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Would not heat and made a buzzing or popping sound
4 of 7 people found this instruction helpful.
  • Thomas from NEWARK, DE
  • Easy
  • 15 - 30 mins
  • Screw drivers
Unplug the microwave. Remove the Philips head and safety Torx head screws along the bottom of the sides and rear of the microwave which hold the black cover on. Lift the cover up at the rear and slide it backwards to disengage the tabs on the front top. Remove the cover. Discharge the capacitor by shorting the terminals to each other and then ground. Do this with a well insulated object and be aware there may be a pop when you do this. Keep hands, etc. on the insulated part of the object (screwdriver handle, etc). There's a lot of stored energy in that capacitor. I'd advise first checking the diode to make sure its not bad. Replace it if it is. The Magnatron is held in with a couple of screws on the top and sides. Unplug the connector and remove the screws. Remove the Magnatron. Installation is the reverse of removal.
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The Microwave was completely dead and wouldn't run, light up or anything.
3 of 6 people found this instruction helpful.
  • Christopher from SHERWOOD, OR
  • Easy
  • 1- 2 hours
  • Pliers, Screw drivers
I followed an old appliance repair forums post from 2008 that discussed this exact common issue with this LG model. It took me quite a while to find the info. Then I used the schematic diagrams on your website to find where the part was located inside the microwave. I removed the outer cover. I tested all components including the thermost at for continuity with a multimeter. I discovered there wasn't any continuity in the thermostat so ordered the part and replaced it. Everything works like a charm! Thanks for the great, fast service.
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