Models > MG14H3020CM

MG14H3020CM ((AA)(0001)) Samsung Microwave - Overview

Sections of the MG14H3020CM

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TRAY-COOKING;JVM-1860,GL – Part Number: DE74-00023A
TRAY-COOKING;JVM-1860,GL
★★★★★
★★★★★
(15)
PartSelect #: PS4234940
Manufacturer #: DE74-00023A
If you discover that the glass cooking tray in your microwave is damaged, you may have to replace it to operate the microwave properly. The glass cooking tray connects to the turntable of the microwav...
$96.98
  In Stock
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Micro Door Switch – Part Number: 3405-001034
Micro Door Switch
★★★★★
★★★★★
(10)
PartSelect #: PS4131192
Manufacturer #: 3405-001034
This door switch, also known as a safety switch, is a genuine OEM replacement part for microwaves. It is a safety mechanism that sends signals to the microwaves control system, telling it when the doo...
$37.08
  In Stock
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High-Voltage Diode – Part Number: DE91-70063D
High-Voltage Diode
★★★★★
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(4)
PartSelect #: PS4235633
Manufacturer #: DE91-70063D
This high-voltage diode is designed for use within various makes and models of microwaves and is a genuine OEM part that converts alternating current (AC) into direct current (DC). If you notice your ...
$36.25
  In Stock
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SWITCH-MICRO;125/250VAC, – Part Number: 3405-001033
SWITCH-MICRO;125/250VAC,
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(1)
PartSelect #: PS4131191
Manufacturer #: 3405-001033
$29.14
  In Stock
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MOTOR SYNCHRONOUS;SSM-16 – Part Number: DE31-10154D
MOTOR SYNCHRONOUS;SSM-16
PartSelect #: PS4223986
Manufacturer #: DE31-10154D
$58.44
  In Stock
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THERMOSTAT;NT-101,250V 1 – Part Number: DE47-20009A
THERMOSTAT;NT-101,250V 1
PartSelect #: PS4226406
Manufacturer #: DE47-20009A
$39.80
  In Stock
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LAMP-INCANDESCENT;125V,2 – Part Number: 4713-001102
LAMP-INCANDESCENT;125V,2
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(1)
PartSelect #: PS4132144
Manufacturer #: 4713-001102
$27.83
  In Stock
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NUT-FLANGE;-,-,MSWR10,-, – Part Number: DE60-30016A
NUT-FLANGE;-,-,MSWR10,-,
PartSelect #: PS4226726
Manufacturer #: DE60-30016A
This flange nut is designed for use within various cooking appliances like ranges, microwaves and wall ovens. Flange nuts are typically used to evenly distribute pressure across its application surfac...
$5.40
  In Stock
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Door Lever – Part Number: DE66-90013A
Door Lever
PartSelect #: PS4231371
Manufacturer #: DE66-90013A
$29.95
  In Stock
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C-OIL;910NF,2100V,BK,54X – Part Number: 2501-001011
C-OIL;910NF,2100V,BK,54X
PartSelect #: PS4130920
Manufacturer #: 2501-001011
$102.21
  In Stock
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SPRING-BUTTON;-,SWP,PI0. – Part Number: DE61-70026A
SPRING-BUTTON;-,SWP,PI0.
PartSelect #: PS4227606
Manufacturer #: DE61-70026A
$4.18
  Special Order
DOOR-KEY;MW7897G,POM(F20 – Part Number: DE64-40006F
DOOR-KEY;MW7897G,POM(F20
PartSelect #: PS4230502
Manufacturer #: DE64-40006F
$36.24
  In Stock
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Questions And Answers for MG14H3020CM

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Common Symptoms of the MG14H3020CM

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No heat
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Doesn’t shut off
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Won’t turn on
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Buzzing noise, no heating of food
Removed control panel, discharged HV capacitor. Removed old diode, tested to confirm failure. Replaced part. Other than the removal of the panel swapping the part was almost as easy as replacing a light bulb.
Parts Used:
High-Voltage Diode
  • Ted from Hudson, NH
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
7 of 10 people found this instruction helpful.
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Appears to work, but food not heated
The high voltage tired was shorted. I replaced it with a new one, but that did not solve the problem.

You can test the high voltage tired with a voltmeter and a 9 V battery. Search Search for it on YouTube.

You can also test the high voltage capacitor, the high-voltage transformer, and the magnetron with a multi meter. Search for the procedures on YouTube.

I tested all these high-voltage components with a low-voltage multi meter, and they all checked out OK (after replacing the diode). However the microwave still did not heat food.

When working on a microwave it is important to unplug it and also discharge the high voltage capacitor. The capacitor has a 10 megaohm resister to automatically discharge itself, but it may have failed – – so discharge it manually.

In the end I ordered a new microwave.
Parts Used:
High-Voltage Diode
  • Joel from CAMBRIDGE, MA
  • Difficulty Level:
    Difficult
  • Total Repair Time:
    1- 2 hours
11 of 24 people found this instruction helpful.
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microwave ran with the door open
First I read through the customer comments, reviews, questions, etc. at Parts Select, which is always a good bet. Then I put "samsung microwave door switch replacement" into youtube and watched some videos. They don't even have to be for Samsung. From what I can tell, many of the appliance companies use the same design and the same junk parts, so watching a GE video is almost the same for example. Watch some videos to familiarize yourself with the steps. There are maybe six to disassemble and install the new part. I replaced all three switches. They are not expensive and to replace 3 is only 5% more work than to replace just one; you have to take the microwave apart in either case. UNPLUG THE MICROWAVE FROM THE WALL. Start taking it apart. I use my phone to take a picture of any thing I remove, unscrew or disconnect, especially wires, BEFORE I disconnect them. Thee pictures serve as a reference when I go to reconnect and reassemble. If I am uncertain then I check the picture. Good luck!
Parts Used:
SWITCH-MICRO;125/250VAC, Micro Door Switch
  • david from WASHINGTON, DC
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
6 of 10 people found this instruction helpful.
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