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MA900WM LG Microwave - Overview

Diagrams for MA900WM

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Microwave Motor Ac Synchronous – Part Number: 6549W1S013H
$43.18
In Stock
Microwave Motor Ac Synchronous
★★★★★
★★★★★
(5)
Part #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 through the bottom. The motor is normally held in place with a retaining screw and will have two wires attached to it as well. If the motor is making a grinding noise it will need to be replaced. If the motor does not turn, you can check for voltage or continuity with a multi-meter. Make sure the power is disconnected from your microwave before beginning this repair.
Microwave Screwtapping – Part Number: 1TTL0402818
$13.92
Special Order
Diode (Cable, Assembly) – Part Number: 6851W1A002E
$17.15
In Stock
Diode (Cable, Assembly)
★★★★★
★★★★★
(1)
Part #6851W1A002E
Usually found kitchen appliances, this OEM-certified diode cable assembly helps to convert power from the transformer to the magnetron, to heat up your food. A damaged cable assembly will cause your appliance to heat food inconsistently or to not work at all. You might notice a burning smell or a loud buzzing sound coming from your appliance. If you do not replace a broken cable assembly, the components that produce heat in your appliance can overheat and fail. To replace your cable assembly, start by unplugging your appliance from any electrical source. Remove any protective casing from the assembly by unthreading any screws or clips. Disconnect the cable assembly from the transformer and the magnetron with pliers. Reinstalling a new cable assembly requires you to reverse the previous steps. Please keep in mind that this cable assembly is sold individually.
Spring – Part Number: 4B72023B
$11.77
In Stock
Spring
Part #4B72023B
Turntable Assembly – Part Number: 5889W2A014C
No Longer Available
Turntable Assembly
Part #5889W2A014C
Lamp,Incandescent – Part Number: 6912W3B002L
$21.45
In Stock
Microwave Turntable Assembly – Part Number: 5889W1A005B
$24.67
In Stock
Locker – Part Number: 4026W2A016A
$13.92
In Stock
Locker
Part #4026W2A016A
Tray,Glass – Part Number: 3390W1G003G
No Longer Available
Tray,Glass
Part #3390W1G003G
Thermostat – Part Number: 6930W1A003A
$21.45
Special Order
Screw,Tapping – Part Number: 1TTL0402418
$11.77
In Stock
Screw,Tapping
Part #1TTL0402418

Common Symptoms of the MA900WM

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

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microwave dish would not move back and forth
7 of 14 people found this instruction helpful.
  • Susan from HENDERSON, NV
  • Really Easy
  • 15 - 30 mins
  • Screw drivers
unscrewed the bottom of the microwave and unplugged old part then took the screw out and put new one in. Super easy!
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microwave turn table not working
1 person found this instruction helpful.
  • RICHARD from CARY, NC
  • Easy
  • 15 - 30 mins
  • Screw drivers
Removed the phillips screws from the base.

Using a # 10 secure driver, remove the motor. (I recommend obtaining a secure star driver set to be sure you have the right size)

Replace the spacer, which is a separate part from the motor.

Reinstall the spacer and motor.

Reinstall the bottom panel.

Enjoy!
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Light bulb went out
1 person found this instruction helpful.
  • Andrea from Fanning Springs, FL
  • Very Easy
  • 15 - 30 mins
  • Screw drivers
Remove screws, take microwave cover off. Pull light assembly and unplug bulb. Replace with new bulb and snap back in place. Screw cover on and your done.
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