MA2120B (ABKEGSE) LG Wall Oven - Overview

Sections of the MA2120B

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Time Delay Fuse – Part Number: 3B74133Q
Time Delay Fuse
★★★★★
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(1)
PartSelect #: PS3522743
Manufacturer #: 3B74133Q
Sold individually.
$13.15
  In Stock
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Rivet – Part Number: 4051W3A001A
Rivet
PartSelect #: PS3522869
Manufacturer #: 4051W3A001A
$11.95
  In Stock
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Magnetron – Part Number: 6324W1A001L
Magnetron
PartSelect #: PS3529034
Manufacturer #: 6324W1A001L
This part is used to generate microwave energy/heat.
$120.07
  In Stock
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TRAY,GLASS – Part Number: 3390W1G009D
TRAY,GLASS
PartSelect #: PS3556218
Manufacturer #: 3390W1G009D
This glass tray provides a stable, heat-resistant surface for cooking or heating while allowing even energy distribution. It is replaced when chipped, cracked, or missing to restore safe operation.
$72.55
  In Stock
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High Voltage Diode – Part Number: 6021W3B001V
High Voltage Diode
PartSelect #: PS3528799
Manufacturer #: 6021W3B001V
$21.95
  In Stock
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Screw,Taptite – Part Number: 1SBF0402418
Screw,Taptite
PartSelect #: PS3517460
Manufacturer #: 1SBF0402418
$13.15
  Special Order
Screw,Customized – Part Number: 4B70188C
Screw,Customized
PartSelect #: PS3525453
Manufacturer #: 4B70188C
$13.15
  Special Order
Turntable Assembly – Part Number: 5889W2A014C
Turntable Assembly
PartSelect #: PS3528552
Manufacturer #: 5889W2A014C
  No Longer Available
Switch,Micro – Part Number: 3B73361E
Switch,Micro
PartSelect #: PS3522736
Manufacturer #: 3B73361E
$18.65
  In Stock
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Cap,Base Plate – Part Number: 5006W3A016B
Cap,Base Plate
PartSelect #: PS3525871
Manufacturer #: 5006W3A016B
$12.04
  Special Order
TRANSFORMER,HIGH VOLTAGE – Part Number: 6170W1D112F
TRANSFORMER,HIGH VOLTAGE
PartSelect #: PS3595407
Manufacturer #: 6170W1D112F
$132.93
  Special Order
INSULATOR – Part Number: 5012W3A020A
INSULATOR
PartSelect #: PS3589116
Manufacturer #: 5012W3A020A
$12.04
  Special Order

Questions And Answers for MA2120B

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Common Symptoms of the MA2120B

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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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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Magnitron failed
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.
Parts Used:
Magnetron
  • Joseph from WILTON, NH
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers
8 of 13 people found this instruction helpful.
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Would not heat and made a buzzing or popping sound
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.
Parts Used:
Magnetron
  • Thomas from NEWARK, DE
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
4 of 7 people found this instruction helpful.
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blew fuse
tested cap. with ohm meter which showed a short. A new HV cap., a fuse and it is working fine again.
Parts Used:
Capacitor
  • larry from LUCERNE, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
2 of 4 people found this instruction helpful.
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