MV-1644ATSL LG Microwave - Overview

Diagrams for MV-1644ATSL

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Parts for the MV-1644ATSL

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Light Bulb - 120V 30W – Part Number: 6912W1Z004B
$24.95
In Stock
Air Duct Bracket – Part Number: 4810W1A151A
$24.15
In Stock
Air Duct Bracket
★★★★★
★★★★★
(1)
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.
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Charcoal Filter – Part Number: 5230W1A011B
$28.55
On Order
Charcoal Filter
★★★★★
★★★★★
(1)
Part #5230W1A011B
This is the replacement charcoal filter for your microwave. It is approximately 8 inches by 5 inches. The charcoal filter removes cooking odors from the air that circulate through the microwave vent. You will likely need to replace the charcoal filter if you notice any damage to it, or if it has been in your microwave for a long time. This part is sold individually and is an authentic OEM part sourced directly from the manufacturer.
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Glass Cooking Tray – Part Number: 1B71961H
$67.05
In Stock
Glass Cooking Tray
★★★★★
★★★★★
(1)
Part #1B71961H
This tray rotates in your microwave ensuring more even temperatures.
Turntable Assembly – Part Number: 5889W2A012F
$39.52
On Order
Turntable Assembly
★★★★★
★★★★★
(2)
Part #5889W2A012F
This turntable assembly, also known as a rotating ring, is a genuine OEM replacement part for your microwave. It is brown in color and about 10 inches in diameter. This part supports the glass turntable and keeps it in place. Replacing this part is very easy and requires no tools. Simply remove the glass tray, pop out the existing ring and replace with the new one.
Hardware Mounting Kit – Part Number: 3861W1A043C
$48.35
In Stock
Hardware Mounting Kit
Part #3861W1A043C
Micro Switch – Part Number: 6600W1K001D
$24.15
In Stock
Holder Assembly,Locker – Part Number: 3501W1A019D
$55.94
Special Order
Holder Assembly,Locker
Part #3501W1A019D
Mounting Plate – Part Number: 3300W0A030A
$56.05
In Stock
Mounting Plate
Part #3300W0A030A
Frame Assembly,Door – Part Number: 3213W1A049F
$78.05
Special Order
Frame Assembly,Door
Part #3213W1A049F
This microwave door frame assembly forms the inner structural support of the door, securely holding the glass, gasket, and latch components in proper alignment. It plays an important role in ensuring the door closes correctly so the microwave can operate safely and start as intended. Replacement is commonly needed when the inner frame becomes cracked, warped, or damaged, which can lead to loose doors, door-related error messages, or the unit failing to run, and installing a new frame helps restore reliable door function and normal operation.
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Capacitor – Part Number: 0CZZW1H004B
$60.45
In Stock
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.
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MICROWAVE MAGNETRON – Part Number: EAS42851957
$124.95
In Stock

Common Symptoms of the MV-1644ATSL

How this model fails, and the parts that fix it.

No heat
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Won’t turn on
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Doesn’t shut off
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Tray won’t turn
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See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Search repair tips from other customers using simple keywords like "replace", "fit", "remove", "inspect". DIY doesn't mean you have to do it alone!

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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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One of the switches in a component that door activates when shut.
9 of 11 people found this instruction helpful.
  • Jimmy from OZARK, MO
  • Easy
  • 30 - 60 mins
  • Pliers, Screw drivers
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 .
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Door sensor switch went bad. Microwave would not operate.
15 of 29 people found this instruction helpful.
  • Randall from ARCADIA, CA
  • A Bit Difficult
  • 1- 2 hours
  • Pliers, Screw drivers
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 dir ections 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!!
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