Models > MS840CB

MS840CB Microwave - Overview

Models starting with MS840CB

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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...
$37.15
  In Stock
High Voltage Diode – Part Number: DE91-70063D
High Voltage Diode
★★★★★
★★★★★
(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 ...
$29.87
  In Stock
Micro Switch – Part Number: WP3405-001034
Micro Switch
★★★★★
★★★★★
(3)
PartSelect #: PS11741686
Manufacturer #: WP3405-001034
This is a micro switch, which is also known as a door switch for your microwave. The main reason for needing to replace this part is if you are not getting heat to your appliance. The door switch is l...
$51.53
  In Stock
Light Bulb – Part Number: WP8183592
Light Bulb
★★★★★
★★★★★
(3)
PartSelect #: PS11745088
Manufacturer #: WP8183592
Sold individually.
$38.86
  In Stock
SWITCH-MICRO;125/250VAC, – Part Number: 3405-001033
SWITCH-MICRO;125/250VAC,
★★★★★
★★★★★
(1)
PartSelect #: PS4131191
Manufacturer #: 3405-001033
$29.20
  In Stock
Fuse - 15 Amp 250V – Part Number: WPY01050009
Fuse - 15 Amp 250V
★★★★★
★★★★★
(1)
PartSelect #: PS11757434
Manufacturer #: WPY01050009
$16.76
  Special Order
Rectifier – Part Number: WP13091701
Rectifier
★★★★★
★★★★★
(1)
PartSelect #: PS11738693
Manufacturer #: WP13091701
The rectifier (also known as a diode) provides the microwave with energy to cook food. If your appliance is not producing heat or not turning on it could be due to the breakdown of the rectifier. This...
$26.04
  In Stock
Micro Switch – Part Number: 3405-001033
Micro Switch
PartSelect #: PS2037508
Manufacturer #: 3405-001033
  No Longer Available
SPRING-BUTTON;-,HSWR,PI0 – Part Number: DE61-70076A
SPRING-BUTTON;-,HSWR,PI0
PartSelect #: PS4227643
Manufacturer #: DE61-70076A
$14.59
  In Stock
Motor - Synchronous – Part Number: DE31-10154D
Motor - Synchronous
PartSelect #: PS4223986
Manufacturer #: DE31-10154D
$69.47
  In Stock
Magnetron – Part Number: WPW10126794
Magnetron
PartSelect #: PS11748665
Manufacturer #: WPW10126794
$179.28
  In Stock
Microwave Glass Tray – Part Number: DE74-20102D
Microwave Glass Tray
PartSelect #: PS4234999
Manufacturer #: DE74-20102D
$62.39
  In Stock
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Common Symptoms of models starting with MS840CB

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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".
Blown Fuse - Ps1750182
Unscrewed the cover of the microwave replaced the blown fuse with the new fuse, plugged in the microwave and tested all functions and everything worked fine. Thx for quick delivery.
Parts Used:
Fuse - 15 Amp 250V
  • John from Inverness, FL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
10 of 12 people found this instruction helpful.
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Light bulb burned out.
Found instruction on internet,
1. Remove anit-tampering screws with punch and hammer
2. Remove the rest of the screws
3. Removed cover
4. Remove burned out bulb and installed new one
5. INstalled cover
6. Installed screws including the anti tampering onces
7. Op tested unit.
Wife is happy.
Parts Used:
Light Bulb
  • Stephen from Cottonwood, AZ
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
16 of 33 people found this instruction helpful.
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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
9 of 15 people found this instruction helpful.
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