LMHM2237BD LG Microwave - Overview

Sections of the LMHM2237BD

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Microwave Grease Filter – Part Number: 5230W1A012E
Microwave Grease Filter
★★★★★
★★★★★
(1)
PartSelect #: PS12713651
Manufacturer #: 5230W1A012E
Sold individually.
$21.95
  In Stock
Vent Grille - Black – Part Number: MDX61912701
Vent Grille - Black
★★★★★
★★★★★
(10)
PartSelect #: PS3535252
Manufacturer #: MDX61912701
This is replacement vent grille or vent grill for your microwave. You will find the grill vent either above or below the microwave door, depending on your model. If your vent grill is discolored or cr...
$74.59
  In Stock
Microwave Thermostat – Part Number: 6930W1A003X
Microwave Thermostat
★★★★★
★★★★★
(4)
PartSelect #: PS3530468
Manufacturer #: 6930W1A003X
$33.93
  In Stock
Light Bulb - 120V 30W – Part Number: 6912W1Z004B
Light Bulb - 120V 30W
★★★★★
★★★★★
(3)
PartSelect #: PS3530415
Manufacturer #: 6912W1Z004B
$24.95
  In Stock
Micro Switch – Part Number: 3B73362F
Micro Switch
★★★★★
★★★★★
(4)
PartSelect #: PS3522738
Manufacturer #: 3B73362F
$24.73
  Special Order
Charcoal Filter – Part Number: 5230W1A003A
Charcoal Filter
★★★★★
★★★★★
(4)
PartSelect #: PS3527523
Manufacturer #: 5230W1A003A
This is an authentic LG charcoal filter for your microwave, sourced directly from the manufacturer. It is designed to remove odors from the air that circulate through your microwave vent. It measures ...
$52.40
  In Stock
Microwave Locker – Part Number: MFG61979001
Microwave Locker
★★★★★
★★★★★
(7)
PartSelect #: PS3535540
Manufacturer #: MFG61979001
This catch lock is designed for use with slide-out microwave oven hoods and plays a crucial role in securing the hood in place. If the lock is broken or malfunctioning, it may prevent the microwave do...
$48.07
  In Stock
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
Mounting Plate – Part Number: 3300W0A045A
Mounting Plate
PartSelect #: PS7784808
Manufacturer #: 3300W0A045A
This mounting plate is a manufacturer-approved replacement part for your microwave. The mounting plate, or bracket, secures your above-range microwave in place against the wall. To conduct this repair...
$40.32
  In Stock
Time Delay Fuse – Part Number: 3B74133Q
Time Delay Fuse
★★★★★
★★★★★
(1)
PartSelect #: PS3522743
Manufacturer #: 3B74133Q
Sold individually.
$13.24
  In Stock
Spring – Part Number: 4970WRA001G
Spring
★★★★★
★★★★★
(1)
PartSelect #: PS3524607
Manufacturer #: 4970WRA001G
This spring provides tension or controlled movement within the appliance mechanism. Engineered for durability, it supports smooth operation and helps maintain proper alignment of connected components.
$17.47
  In Stock

Questions And Answers for LMHM2237BD

Ask our experts a question about this model and we'll get back to you as soon as possible!

6 questions answered by our experts.
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Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Kandi
May 5, 2024
This is only show the charcoal filter on this website. We need the filters underneath as well. Can you tell me which ones those are please?
For model number LMHM2237BD
PartSelect logo
Hi Kandi, thank you for reaching out. The filters you are looking for are the grease filters, part number PS12713651. If you need help placing an order, customer service is open 7 days a week!
1 person found this helpful.
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Denisse
October 22, 2024
Door will not latch
For model number LMHM2237BD
PartSelect logo
Hi Denisse, Thank you for your question. If the door is not latching, check the switch holder to make sure that it is in the proper position. If it shifted, it may prevent the door from latching correctly when trying to close it. Also check the door latch and spring for signs of damage and to make sure that they are positioned correctly. We hope this helps!
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Kathleen
November 22, 2025
Me display quit working
For model number LMHM2237BD
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Hello Kathleen, thank you for getting in touch. According to the description of the issue, you will need to replace the control board, part number PS12080483, to fix the issue. We hope this helps.
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Tess
December 24, 2023
Backside of door screw holes, the plastic has broken away. added washers to hold screws in place. Does LG sell replacement door?
For model number LMHM2237BD
PartSelect logo
Hello Tess, thank you for your inquiry. The full door assembly for your model is part number PS12114824. If you need help placing an order, customer service is open 7 days a week!
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Andrea
January 18, 2024
FRONT PANEL UNRESPONSIVE
For model number LMHM2237BD
PartSelect logo
Hello Andrea, thank you for your inquiry. According to our research, the issue is most probably with the control panel. The control panel for your model comes along with the door assembly, part number PS11708936. We would recommend replacing it. Glad to be of help!
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Common Symptoms of the LMHM2237BD

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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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Doesn’t shut off
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Tray won’t turn
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Little to no heat when baking
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Element will not heat
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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".
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:
Micro Switch Microwave Micro Switch
  • Joshua from WHITE LAKE, MI
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
52 of 77 people found this instruction helpful.
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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
37 of 68 people found this instruction helpful.
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Vent Grille tabs snapped off
Repair was easy but you have to remove the screw at the top of the microwave (top left) in order to secure the far left tab with the hole in the tab. Place the grille in place, push to the left and then secure the screw you removed. Just remember that the mounted screw will need to be removed the next time you need access in order to replace the charcoal filter.
Parts Used:
Vent Grille - Black
  • Andy from PERRYSBURG, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
18 of 24 people found this instruction helpful.
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