Models > KHMS2040BSS0

KHMS2040BSS0 KitchenAid Microwave

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Manuals & Guides for KHMS2040BSS0

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To access the exterior lightbulb, the bottom panel of the microwave will need to be removed. It is secured in place with screws, so will require a Philips screwdriver to remove it. Screw the new light...
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This is a charcoal filter for an over-the-range microwave. It is designed to absorb grease before making its way into the vent, which could cause damage or build-up. It also helps to reduce odors whil...
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This glass cooking tray, also known as a turntable, is a genuine OEM replacement part for your microwave. The clear glass tray measures approximately 12 inches in diameter, and it is the surface that ...
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This is a single grease filter for a microwave. Most microwaves have two filters, the other one being the charcoal filter, which is a different filter, sold separately, and has different maintenance i...
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This is the replacement lightbulb for your over-the-range microwave. It is found on the underside of your microwave and is used to illuminate your stovetop while you are cooking. This is a genuine OEM...
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$39.28
This support ring sits underneath the glass turntable tray.
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This mounting plate is a genuine OEM part for your microwave. This metal bracket is approximately 30 inches in length and is used to support your microwave when installed under cabinets. Please note t...
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This is an authentic OEM door switch for your microwave. This switch is located behind the front panel, and works by making contact with the door hook, sending a signal that the door is closed and the...
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This screw is sold individually.
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The microwave door interlock switch prevents the microwave from starting if the door is open. If your microwave will not start when the door is closed, or it continues running if the door is opened, t...
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This part protects the microwave by shutting it off if there is an electrical surge.
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$29.52
This part allows power to go one way but not the other.
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James
September 5, 2023
When opening door the internal light won’t come on and won’t power on when door closed. Eventually when internal light comes on and the door is closed the microwave will run normally.
For model number KHMS2040BSS0
Hi James, Glad to hear from you. If the light and the microwave will not turn on, we would recommend checking both the thermal fuse and the door switches. We hope this helps with the repair.

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Common Problems and Symptoms for KHMS2040BSS0

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Won’t turn on
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No heat
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Door not closing properly
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Tray won’t turn
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Exhaust fan not working
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Noisy
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Doesn’t shut off
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
  • Customer:
    Deborah from Baltimore, MD
  • Parts Used:
    4393799
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
broken glass turntable
No repair- just replaced glass turntable.
Right part I needed with first try
401 of 412 people found this instruction helpful.
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  • Customer:
    Deborah from Millersville, MD
  • Parts Used:
    8206232A
  • Difficulty Level:
    Difficult
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
light bult needed to be replaced
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 light bulb so that we do not need a screwdriver to remove the door to get to the light bulb
192 of 280 people found this instruction helpful.
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Door switch inconsistent operation for Open/Close sensing.
Ordered top & bottom micro-switches and mounting plate parts. Internet reviews could not find specifics if the issue was due to a top/bottom or combination of micro-switch or mounting plate failure. Pulled the plug. Removed the top vent assembly cover held in by 2 Phillips screws inside the vent. Removed the control panel held in by 1 Phillip screw at the top vent assembly area. Lifted control panel upward to release the catch and moved it off to the side - didn't disconnect any leads. Used a Torx bit to remove the door switch mounting plates at the front and pulled the plates through the opening from the control panel. Documented the wire color code connections, the top plate uses 2 micro's with one using both the closed & open contact. Installed the respective micros on the mounting plates and worked backwards with the wiring and removal steps. Once completed, the open/close sensing has worked every time.
108 of 128 people found this instruction helpful.
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