Models > LMV1813ST

LMV1813ST (CS1ELGA) LG Microwave - Overview

Sections of the LMV1813ST

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Light Bulb - 120V 30W – Part Number: 6912W1Z004B
Light Bulb - 120V 30W
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PartSelect #: PS3530415
Manufacturer #: 6912W1Z004B
$20.36
  In Stock
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Damper – Part Number: 4900W1A001B
Damper
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PartSelect #: PS3524148
Manufacturer #: 4900W1A001B
This metal vent damper door closes off the exhaust duct when the fan is not running to stop outside air from entering the microwave unit, and opens when the fan turns on to allow air to vent away from...
$17.95
  In Stock
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Air Duct Bracket – Part Number: 4810W1A151A
Air Duct Bracket
PartSelect #: PS3523851
Manufacturer #: 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...
$27.08
  In Stock
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TRAY,GLASS – Part Number: MJS47373304
TRAY,GLASS
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PartSelect #: PS16746541
Manufacturer #: MJS47373304
This tray rotates in your microwave ensuring more even temperatures.
$77.55
  In Stock
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Charcoal Filter – Part Number: 5230W1A003C
Charcoal Filter
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(1)
PartSelect #: PS3527524
Manufacturer #: 5230W1A003C
This charcoal filter in manufactured to fit a microwave. It removes food odors from the air circulating through your appliance vent. Youi may need to replace this part if you notice odor when cooking ...
  No Longer Available
Locker – Part Number: 4026W2A019A
Locker
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PartSelect #: PS3522838
Manufacturer #: 4026W2A019A
The locker, or door latch assembly fits to the inside of the microwave door, and keeps the door closed. If the door on your microwave oven doesn’t appear to close properly, you may have a problem with...
$10.42
  In Stock
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Motor, AC Synchronous – Part Number: 6549W1S013H
Motor, AC Synchronous
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PartSelect #: PS3529216
Manufacturer #: 6549W1S013H
If the turntable on your microwave does not rotate, or you can hear a grinding noise, the problem may be with the motor. The motor is typically located below the floor of the oven, and is accessed thr...
$46.69
  In Stock
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Micro Switch – Part Number: 6600W1K001R
Micro Switch
PartSelect #: PS3598700
Manufacturer #: 6600W1K001R
$17.18
  On Order
Rivet – Part Number: 4051W3A001A
Rivet
PartSelect #: PS3522869
Manufacturer #: 4051W3A001A
$9.59
  In Stock
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Diode (Cable, Assembly) – Part Number: 6851W1A002E
Diode (Cable, Assembly)
PartSelect #: PS3529603
Manufacturer #: 6851W1A002E
$30.27
  In Stock
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Spring – Part Number: 4970WRA001G
Spring
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PartSelect #: PS3524607
Manufacturer #: 4970WRA001G
$10.42
  In Stock
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Holder,Cook Auxiliary – Part Number: 4930W1A069A
Holder,Cook Auxiliary
PartSelect #: PS3524335
Manufacturer #: 4930W1A069A
$18.17
  In Stock
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Questions And Answers for LMV1813ST

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4 questions answered by our experts.
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Bob
July 29, 2021
How do i access the time delay fuse for a replacement?
For model number LMV1813ST
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Hi Bob, Thank you for your question. This part is located on the inside of your machine in the top. You would have to remove your vent grille and then a second metal grille to get at the part. However you have to be very careful. Unplug your appliance and make sure to safely discharge the capacitor in your microwave. If you do not safely discharge it, it could give you a serious electric shock. I hope that helps. Good luck with your repair.

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James
November 25, 2022
How do you discharge the capacitor when changing the fuse
For model number LMV1813ST
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Hi James, thank you for reaching out. You can discharge a capacitor using a screwdriver with an insulated handle, essentially you touch the tip to a capacitor and drag it slowly towards the one across from it. This creates a short circuit that results in the electricity being discharged. You may need to do this multiple times. If it is successful, you will hear a pop when the short circuit is completed. It is pretty loud, so don’t be surprised. Once this short circuit is done, it is now as safe to work on your microwave. We hope this helps!

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Steve
December 3, 2019
Problem is as if no power to unit yet the outlet the unit is plugged into has power. Control panel does not light up and does not respond at all. Prior to this the unit has worked perfect for 8 years.
For model number LMV1813ST
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Hello Steve and thanks for writing. It sounds like a faulty fuse PS3522741 and/or capacitor PS3517241 check and replace if needed. We hope this helps. Please contact us anytime.

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Margie
July 13, 2021
Do you have the replacement vent grille?
For model number LMV1813ST
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Hello Margie Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is PartSelect Number PS3532097. We hope this helps!

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Common Symptoms of the LMV1813ST

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No heat
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Won’t turn on
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Door not closing properly
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Tray won’t turn
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Doesn’t shut off
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Microwave would not rotate or heat up food.
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)
Parts Used:
Switch,Micro Switch,Micro
  • Joshua from WHITE LAKE, MI
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
44 of 60 people found this instruction helpful.
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Microwave would not power up.
Fun and easy fix for my kids.

The countdown timer was working but no "cooking" happening. Did not hear the familiar sound of the heating part working.

Determined it might be some simple switches for under $15 dollars. Bought one of each. They allow the microwave to turn on/activate by signaling that the door is properly latched. My wife noticed that it was failing and then failed over the course of about a day. Several times where it worked, then did not work. The timer was counting down one time and then when she opened the door the microwave heating component turned on. Guess it had activated the switch as she was opening the door.

Procedure to repair
- Unplug
- Remove two screws on front top - allows you to remove the vent. Realized there was a charcoal filter there that I had never replaced so ordered that after the fix.
- Remove two screws to pull off the front right panel (area where your microwave buttons are) One at the top under the before mentioned vent and one under the microwave on the far right corner.
- Have someone hold the panel because wiring is to short to place it on a ledge while connected or take a picture and remove connections. I simply held it while my daughter undid the micro switches.
- Carefully remove micro switches. There were two "orange" button ones so I chose the top one to replace along with the green button one that I had ordered, so I simply pulled an orange from the bottom and a green from the top latch area. You may have remove the part that holds the switches since it was a little tough with the wires in the way and not knowing how the switches stay put.
- plug in new switches and place in the brackets that hold them in place
- reverse everything you did.
Viola - a working microwave vs purchasing a brand new for several hundred dollars or having to call in a technician.I love that my young kids did this project with me and we actually got it running. Don't like to have to throw away more items at the landfill.

Semi-Handy Man
Parts Used:
Switch,Micro Switch,Micro
  • Dusty from SNOWMASS VLG, CO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
11 of 17 people found this instruction helpful.
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everything worked except it wouldnt cook
tested all 3 of the door switche for continuity, the top switch was faulty, replaced it,for approx $4.00 and saved a $350 dollar microwave.
Parts Used:
Switch,Micro
  • Joseph from N VERSAILLES, PA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
11 of 20 people found this instruction helpful.
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