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Models > KHMS2050SSS2 > Symptoms > Won’t turn on

Parts That Fix KitchenAid Microwave KHMS2050SSS2 Won’t turn on

Won’t turn on is a commonly reported symptom for the KHMS2050SSS2 KitchenAid Microwave, and we have put together a full guide on how to fix this. This advice is based on feedback from people who own this exact appliance. We have listed the most common parts for your KHMS2050SSS2 KitchenAid Microwave that will fix Won’t turn on. We have included repair instructions, and helpful step-by-step video tutorials. If you are experiencing this issue, not to worry, DIYers just like you have fixed this, and shared their experience to help you!
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Won’t turn on is a commonly reported symptom for the KHMS2050SSS2 KitchenAid Microwave, and we have put together a full guide on how to fix this. This advice is based on feedback from people who own this exact appliance. We have listed the most common parts for your KHMS2050SSS2 KitchenAid Microwave that will fix Won’t turn on. We have included repair instructions, and helpful step-by-step video tutorials. If you are experiencing this issue, not to worry, DIYers just like you have fixed this, and shared their experience to help you!
1 R Ceramic Fuse 20 A
Fixes Symptom 50% of time
R Ceramic Fuse 20 A - Part Number: W11707984

If your microwave is not turning on it could be due to your fuse needing to be replaced. This part protects the microwave by shutting it off if there is an electrical surge. This fuse is just over an inch long, is metallic on both ends and ceramic in the middle. Before beginning this repair, unplug the appliance and wait a few minutes before starting. Remove the outer cabinet which is held in place with two screws. You will then locate the power cord which will lead you to the fuse holder. Determine if the fuse has blown. Using an ohmmeter, you should be able to figure out if it has blown. A proper reading is zero ohms, if it reads as anything else then your fuse has in fact blown. Simply snap the old fuse out of place and place the new one in.

$ 32.95
  In Stock
PartSelect Number PS17629444
Manufacturer Part Number W11707984

Customer Repair Stories

machine was dead.
After removing the over-the-range unit (no small feat!) I had to figure out how to open the case (good puzzle!). Capacitor had already discharged, so it was very easy to reach in, pop the old fuse and install the new one! As per your advice, I found out I was a "28%-er"! Upon re-installation, the microwave "sprang to life"!! Thanks, "Part Select"!! I was already shopping around for a new machine! (Now if you could only tell me an easier way to re-mount this heavy beast over the stove!!!)
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  • Mark from Smithtown, NY
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
2 of 5 people found this instruction helpful.
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Microwave wouldn't turn on and found breaker been tripped and then microwave wouldn't turn on at all.
Read some instructions and easily found the fuse. Replaced it. Still didn't work. Took control panel off to check door switches. Nothing I read mentioned a second fuse. Tested and it to had blown. Ordered another one. Popped them in. Done.
  • Daniel from DECATUR, GA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
25 of 44 people found this instruction helpful.
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2 Microwave Door Interlock Switch
Fixes Symptom 38% of time
Microwave Door Interlock Switch - Part Number: 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.

$ 30.95
  In Stock
PartSelect Number PS2361111
Manufacturer Part Number W10269458

Customer Repair Stories

The close door warning kept coming on and the microwave would not run
Don't waste your time with other parts stores online. Partselect sells quality parts and they arrived 2 days early. I purchase a door switch from another online store and the switch was defective.
  • Jeffrey from MOUNT ULLA, NC
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
6 of 7 people found this instruction helpful.
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Door close wasnt registering and the microwave wouldn't turn on.
I looked up a YouTube video of someone with a similar over the oven microwave. That helped me get into the area behind the control panel where the door switches are. I checked the springs and the cam rocker? The thing that actually hits the button on the switch when the door closes. They were in good condition so I assumed the door switch was bad. There are two so I just purchased one figuring (hoping) that only one was bad. And lo and behold only one was bad. Bing bam boom. Put it all back together and I'm set. Not too difficult. Took a week of work because it takes like 50 days to ship. My kitchen looked like a hurricane after image because of all the parts scattered everywhere.
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  • Tyler from PARKVILLE, MD
  • Difficulty Level:
    Easy
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Screw drivers
15 of 20 people found this instruction helpful.
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3 Microwave Door Switch 250v
Fixes Symptom 9% of time
Microwave Door Switch 250v - Part Number: W10211972

This door switch (Primary and Secondary) keeps the microwave from running when the door is open. NOTE: Two switches required. Sold individually.

$ 42.95
  In Stock
PartSelect Number PS2338920
Manufacturer Part Number W10211972

Customer Repair Stories

The display kept asking me to close the door, even though the door was closed. The interior light stayed on.
I used a Google search to show how to access the area behind the front panel. There was a folded paper copy with a schematic and wiring diagram in that space.Then I used a multi-meter to determine which of the THREE micro-switches was causing the problem. I called your help line and ordered a replacement switch. The switch was delayed in transit so your agent credited me with the cost of shipping.

When the part arrived, it had three terminals instead of two as shown in the on-line picture but that did not cause any difficulty in using it. It took about 20 minutes to remove and replace the old switch.

All seems to be working well now.

Finding which of the THREE switches was the problem was the most difficult part of the repair. All three "clicked" but the defective one did not click as easily. It needed to be depressed more than the door latch can would provide. Old age?
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  • E G from SILVERDALE, WA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
10 of 13 people found this instruction helpful.
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4 Door Switch
Fixes Symptom 3% of time
Door Switch - Part Number: W10211974

This part keeps the microwave from running when the door is open.

$ 41.95
  In Stock
PartSelect Number PS2338922
Manufacturer Part Number W10211974
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