KHMS1850SSS2 KitchenAid Microwave - Overview

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Parts for the KHMS1850SSS2

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Light Bulb - 40W – Part Number: 8206232A
$10.49
In Stock
Light Bulb - 40W
★★★★★
★★★★★
(92)
Part #8206232A
This 40w light bulb is a replacement bulb constructed of glass and metal. It is an easy-to-install electrical part which produces 40w of light. If the bulb won't light up then it may be broken and should be replaced. The bulb attaches directly to an appropriate light socket and has a small screw-in base. To access the exterior light bulb, you will need to remove the panel on the bottom of the microwave using a Phillips screwdriver. If your exterior light bulb has not been changed before, it is probably held in place with some silicone. You will need to cut away this silicone to remove the old bulb. If you cannot access the silicone with a utility knife, it can be removed using dental floss. Once the silicone is removed, simply unscrew the old bulb, and replace it with the new one. Be sure to disconnect the power to the microwave before you begin this repair. This light bulb measures about 1 1/8 inches. We do not recommend using a higher-wattage bulb for this appliance, and can only recommend this specific bulb. If fixing the bulb does not solve your microwave light issue, it's possibly a problem with the socket, which means the socket and/or board will need to be replaced. This can be a more dangerous repair, so consult your user manual or a technician before attempting.
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Grease Filter – Part Number: W10113040A
$38.45
In Stock
Grease Filter
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★★★★★
(15)
Part #W10113040A
Most microwaves require 2 grease filters. Sold individually.
Glass Cooking Tray – Part Number: 4393799
No Longer Available
Glass Cooking Tray
★★★★★
★★★★★
(28)
Part #4393799
This tray is rotated when the microwave is turned on.
Microwave Surface Light Bulb – Part Number: W10709921
$27.45
In Stock
Vent Grille – Part Number: W10250593
No Longer Available
Vent Grille
★★★★★
★★★★★
(24)
Part #W10250593
This stainless vent grille mounts on the top of the microwave above the door.
R Ceramic Fuse 20 A – Part Number: W11707984
$47.21
In Stock
R Ceramic Fuse 20 A
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★★★★★
(12)
Part #W11707984
This part protects the microwave by shutting it off if there is an electrical surge.
DIODE – Part Number: W11256462
$38.45
In Stock
DIODE
★★★★★
★★★★★
(4)
Part #W11256462
This part allows power to go one way but not the other.
Microwave Door Interlock Switch – Part Number: W10269458
$43.12
In Stock
Microwave Door Interlock Switch
★★★★★
★★★★★
(3)
Part #W10269458
This door interlock switch is a genuine replacement part designed for use in microwaves. It serves a critical safety function by preventing the microwave from operating when the door is open. Because proper operation of the microwave’s shielding and interlock system is essential for user safety, this part should be installed by a qualified service technician. After installation, the interlock switches and microwave shielding must be thoroughly tested to ensure the appliance meets safety standards.
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Microwave Damper – Part Number: W10843943
$91.76
In Stock
Microwave Damper
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★★★★★
(5)
Part #W10843943
This assembly includes the damper door and frame.
Microwave Turn Ring – Part Number: W11252182
$52.79
In Stock
Microwave Turn Ring
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★★★★★
(8)
Part #W11252182
This support ring sits underneath the glass turntable tray.
Filter – Part Number: 8205146A
$29.65
In Stock
Filter
★★★★★
★★★★★
(1)
Part #8205146A
Sold individually.
Microwave Turntable Motor – Part Number: WPW10466420
$56.05
In Stock
Microwave Turntable Motor
★★★★★
★★★★★
(9)
Part #WPW10466420
As per manufacturer this no longer comes with the Spacer.
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Manuals & Care Guides for KHMS1850SSS2

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Install
Installation Instructions
(1.38MB)
Manual
Owner's Manuals
(1.11MB)

Questions And Answers for KHMS1850SSS2

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Keiko - For model number KHMS1850SSS2
December 1, 2019
The microwave oven does not heat any liquids or food.
Chris Boyle Profile
Hello Keiko and thanks for writing. This should be a faulty diode Part Number: PS11755602 is in the list of compatible items for your model. We hope this helps. Please contact us anytime.
$38.45
In Stock
DIODE
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Common Symptoms of the KHMS1850SSS2

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

Won’t turn on
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No heat
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Tray won’t turn
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Noisy
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Door not closing properly
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Doesn’t shut off
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Exhaust fan not working
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Videos related to models starting with KHMS1850SSS2

Watch our pros, then fix it yourself.

Replacing the Light Bulb - 40W

Replacing the Light Bulb - 40W

Replacing the Vent Grille

Replacing the Vent Grille

Replacing the Glass Cooking Tray

Replacing the Glass Cooking Tray

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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 glass turntable
404 of 421 people found this instruction helpful.
  • Deborah from Baltimore, MD
  • Really Easy
  • Less than 15 mins
No repair- just replaced glass turntable.
Right part I needed with first try
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light bult needed to be replaced
222 of 329 people found this instruction helpful.
  • Deborah from Millersville, MD
  • Difficult
  • Less than 15 mins
  • Screw drivers
The nightmare was that this microwave is installed under the cabinet....in order to get to the light bulb I had to pull out my stove then squeeze into the space between the stove and counter....my old microwave light bult was much easier to change.....Shame on Whirlpool for making this so difficult.....must be a better way to cover the li ght bulb so that we do not need a screwdriver to remove the door to get to the light bulb
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Bulb "burnt out"
98 of 165 people found this instruction helpful.
  • Joseph from Pembroke, MA
  • Really Easy
  • Less than 15 mins
  • Screw drivers
Removed 1 screw, removed "burnt out" bulb and replaced it with new bulb.
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