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 located behind the front panel of your appliance. When the appliance door closes, this part will make contact with the door hook, which will allow the microwave to heat. Use caution when making this installation, as high-voltage capacitors found in microwaves can hold a lethal electric charge for longer periods of time, even if the appliance has been unplugged. It is recommended you wear work gloves for this repair.
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Troubleshooting
This part fixes the following symptoms:
No heat
This part works with the following products:
Microwave, Microwave Oven Combo.
Part# WP3405-001034 replaces these:
AP6008546, 3405-001034
Customer Reviews
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★★★★★
★★★★★
Jennifer O - January 26, 2024
Verified Purchase
Easy Repair
The part came in a timely manner, was super easy to install, and it is working great!
★★★★★
★★★★★
Wendy W - April 5, 2018
Verified Purchase
Easy Fix
The part was received in a timely manner and easy to install. My microwave is working perfectly. Thank you
★★★★★
★★★★★
William P - March 7, 2018
Verified Purchase
Easy Repair
It was as stated a fairly easy repair. I ordered 3 Micro switches, only got 2 and something else I didn't not order (Lever Switch). Fortunately one of the older switches I replaced was the same as the switch I did not receive and all worked out well. Delivery of the parts took longer then I was expecting it to take and came in 2 separate deliveries making me have to wait till all parts came in, didn't wish to take microwave apart twice.
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Customer Repair Stories
Average Repair Rating: 4.3 / 5.0, 2 reviews.
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Micro kept running when the door opened.......NOT GOOD
After minimum research, it was identified as a micro switch in the door. There is a total of 3, The top and bottom switches are the same in the odd one is in the middle just above the lower switch. Problem i had was one of the you tube videos said to grab the switches with pliers and force them out.;not a good idea. it breaks the lever
... Read more in the switch holder bar. Solution is to remove the plastic switch holder bar from the door frame removing the 2 screws on the inside of the frame and then you can flip the lever in the bar which secures the switches on the door side. Use a small screwdriver to release the lever and they will slide right out. FYI the plastic switch holder bar is no longer available. I used electrical tape to secure my switches since the levers were broken from forcing them out.
Microwave would continue to run even when door was open. (even if no time was left on timer)
Unplugged Microwave, Removed vent cover (2 screws on top of microwave, then slide cover to the left, then forward) Removed control panel (1 screw at top of panel) then removed the two screws that hold in the door switch assembly. (these you will only see by opening the microwave). Located lower door switch, removed connecting wires, and
... Read more pulled switch by releasing small plastic tab which held it in. Put new switch in place, reconnected wires, then reconnected door switch assembly. Reconnected control panel, and then put the vent cover back on. Tested microwave and it no longer runs when the door is open. Super easy fix, and was done in under 5 minutes.
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TIFFINI from BUFFALO, WY
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
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Questions and Answers
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16 questions answered by our experts.
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Steve
December 26, 2017
When I open the door of the microwave the fan motor starts to turns on and blows. Shut the door it stops. Microwave still cooks. Then the clock/time cook message board will go blank then comes back on. Thanks
For model number MMV4205BAS
Hi Steve, Thank you for the question. There are two micro switches, PartSelect Number PS11741686 on the appliance. I suggest replacing both of these switches. These switches prevent the appliance from running while the door is open. Hope this helps!
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Scott
February 10, 2018
Microwave continues to run (no light illuminated) when the door is closed and time has expired. Microwave stops when the door is open. I have found three micro switches that are activated by the door closing. Should i replace all three, or does one of the three control various operations of the microwave. Two of the micro switches are the same, with the third having a lower terminal. Can you provide part numbers for the three micros?
For model number 40185053210
Hello Scott, Thank you for your inquiry. The part# WP3405-001034-the two that should be the same and part# WP3405-001033. You can test all three switches with a multimeter. Hope this helps!
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Tim
March 1, 2018
Enter time and push start and the clock runs down, but there is no heat. If I open door and close it, it may start. It may also start if I just wiggle the handle on the door. Is this switch the one I need.
For model number MMV1163DW00
Hi Tim, Thank you for the question. I woudl recommend replacing the PartSelect Number PS11741686. There are two of these switches so the only way to know for sure is to check them for continuity with a multimeter. Hope this helps!
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Doug
April 3, 2018
The door won't latch if you hold it shut it will work
For model number mmv1153bas
Hi Doug, Thank you for the question. I first suggest checking for damage to the latch body, Part Number: PS4239694. If the latch body is good,you may need to replace the switches. Hope this helps!
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Yvonne
April 28, 2018
Everything on the Maytag microwave works such as the time of day, timers, lights, etc. All work, but microwave will not heat anything. Please help with advice on how to fix this issue.
For model number MMV4205BAS
Hello Yvonne, thank you for your question. The most common issue that causes microwaves to not heat is the door switches. Even if the appliance is working as far as time of day, timers, lights, etc, the switches might not be working properly, or in the right sequence to start the microwave heating. I would suggest replacing the door switches, there are 2 of part number Micro Switch Part Number: WP3405-001034 and 1 of part number Micro Switch Part Number: WP3405-001033. If these are replaced, and the issue continues, the problem would be with the magnetron or the high voltage capacitor. I hope this helps!
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Lynn
March 21, 2019
The start button is not working. Micro will work using the 30 second button but i can not set time or cook time or anything that requires use of the start button.
For model number 401.80083010
Hello Lynn, thank you for your question. From what you're describing it sounds like the control panel needs to be replaced. That is PartSelect Number PS4238588. Please enter the part number into the site for current price and availability. Good luck with your repair!
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Deborah
April 29, 2019
Door doesn't catch and close. Enter/start button doesn't work.
For model number MMV5207BAQ
Hello Deborah, thank you for inquiring. For these symptoms you will want to replace the Micro Switch part PS11741686. We hope this helps.
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Steven
February 12, 2018
Everything on microwave works lights, clock etcs, but no heat and makes loud noise on right side
For model number MMV4205BAW
Hello Steven, thank you for your question! There are some parts that you will need to check to see which one is causing the issue. You will need to check the micro switch, the magnetron, the diode and the high voltage capacitor. I hope this helps. Thank you and have a great day!
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Steve
February 15, 2018
Makes noise from right top of microwave, its not the switches or the fan. Has no heat, everything else is ok. I can smell like burning lite smell.
For model number MMV4205BAW
Hi Steve, Thank you for the question. The first part I suggest checking is the Diode, Part Number: PS4235633. If the diode is good then you need to check the Capacitor, Part Number: PS1486840 and the Magnetron, Part Number: PS11748664. These parts work together to create heat. Hope this helps!
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Jeff
October 27, 2017
I have a Jennaire over stove microwave/fan combo that gives a SE message on control panel rendering microwave inoperable. Any suggestions for repair?
For model number JMV8186AAS
Hi Jeff, Thank you for the question. The SE error code means the microwave has had a Key short error. The control panel with the Keypad, PartSelect Number PS4238052 will need to be replaced.Hope this helps!
