LMV1813ST (01) LG Microwave - Overview

Sections of the LMV1813ST

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Microwave Thermostat – Part Number: 6930W1A003X
Microwave Thermostat
★★★★★
★★★★★
(4)
PartSelect #: PS3530468
Manufacturer #: 6930W1A003X
$32.64
  In Stock
Light Bulb - 120V 30W – Part Number: 6912W1Z004B
Light Bulb - 120V 30W
★★★★★
★★★★★
(3)
PartSelect #: PS3530415
Manufacturer #: 6912W1Z004B
$20.95
  In Stock
Micro Switch – Part Number: 3B73362F
Micro Switch
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(4)
PartSelect #: PS3522738
Manufacturer #: 3B73362F
$24.73
  Special Order
Air Duct Bracket – Part Number: 4810W1A151A
Air Duct Bracket
★★★★★
★★★★★
(1)
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...
$26.92
  In Stock
Microwave Damper – Part Number: 4900W1A001B
Microwave Damper
★★★★★
★★★★★
(2)
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...
$17.85
  In Stock
Microwave Glass Tray – Part Number: MJS47373302
Microwave Glass Tray
★★★★★
★★★★★
(4)
PartSelect #: PS12082158
Manufacturer #: MJS47373302
$77.55
  In Stock
Charcoal Filter – Part Number: 5230W1A003C
Charcoal Filter
★★★★★
★★★★★
(2)
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
Spring – Part Number: 4970WRA001G
Spring
★★★★★
★★★★★
(1)
PartSelect #: PS3524607
Manufacturer #: 4970WRA001G
$17.47
  In Stock
Microwave Motor Ac Synchronous – Part Number: 6549W1S013H
Microwave Motor Ac Synchronous
★★★★★
★★★★★
(4)
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...
$52.44
  In Stock
Turntable Motor Coupler – Part Number: 4370W1A006B
Turntable Motor Coupler
★★★★★
★★★★★
(1)
PartSelect #: PS3522918
Manufacturer #: 4370W1A006B
The turntable motor coupler connects the turntable motor to the tray. If the turntable on your microwave will not rotate, you may have a faulty motor coupler. The coupler commonly has a D shaped openi...
$29.21
  In Stock
Magnetron – Part Number: 6324W1A001L
Magnetron
PartSelect #: PS3529034
Manufacturer #: 6324W1A001L
This part is used to generate microwave energy/heat.
$229.17
  In Stock
Diode (Cable, Assembly) – Part Number: 6851W1A002E
Diode (Cable, Assembly)
PartSelect #: PS3529603
Manufacturer #: 6851W1A002E
$30.09
  In Stock

Questions And Answers for LMV1813ST

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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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Tray won’t turn
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Little to no heat when baking
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Doesn’t shut off
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Element will not heat
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Door not closing properly
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Oven not heating evenly
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Door won’t open after self cleaning cycle
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Noisy
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Oven is too hot
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Will Not Start
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Broken door micro switch. (unit does not start heating)
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 left 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.
Parts Used:
Micro Switch
  • JAMES from BILLINGS, MT
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
36 of 65 people found this instruction helpful.
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One of the switches in a component that door activates when shut.
I replaced the whole component with all three switches in it even though only one switch was bad . Taking out one switch out of the holder unit would probably have damaged the unit that was holding the switches. Easy install and it works great again .
Parts Used:
Holder Assembly,Locker
  • Jimmy from OZARK, MO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
9 of 11 people found this instruction helpful.
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Door sensor switch went bad. Microwave would not operate.
Watched a couple of repair videos on Youtube by searching for the model number. Found out what to do in order not to get shocked by the powerful capacitor.
Ordered the two switches (To be sure, I could have ordered a third switch as suggested in the videos.)
Bought a tamper-proof star bit to get the cover off. Followed the directions to replace the switches. - I broke the harness and had to use some super glue, but it's all good. I should have removed the harness instead of trying to get a switch out while it was still in place.
It's all back together, and the wife is happy!!
Parts Used:
Micro Switch
  • Randall from ARCADIA, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
15 of 29 people found this instruction helpful.
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