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Secondary Door Switch

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35 Reviews
$ 25.70   In Stock

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PartSelect Number PS237421
Manufacturer Part Number WB24X829
Manufactured by GE
Product Description

Secondary Door Switch Specifications

The secondary door switch is a simple on/off mechanism that stops the microwave from operating when the door is open (normally opened). The switch monitors the door latch position, and communicates whether the door is open or closed to the electrical control board. This door switch is approximately 1 inch long, and has 2 metal prongs called terminals that extend out of its body. Common symptoms related to a faulty secondary door switch include: microwave will not turn/shut off, or the microwave will not heat properly. NOTE: Before you begin this repair, first make sure your microwave is unplugged, and that your capacitor is discharged. A capacitor stores large amounts of electricity even when your microwave is unplugged.

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Troubleshooting
This part fixes the following symptoms:
Doesn’t shut off | Won’t turn on | No heat | Touchpad does not respond
This part works with the following products:
Microwave, Microwave Oven Combo, Range.
This part works with the following products:
General Electric, Hotpoint, Kenmore.
Part# WB24X829 replaces these:
AP2024337, 253819, WB24X0329, WB24X0368, WB24X0384, WB24X0401, WB24X0414, WB24X0426, WB24X0429, WB24X0439, WB24X0441, WB24X0445, WB24X0796, WB24X0801, WB24X0829, WB24X10038, WB24X10076, WB24X329, WB24X368, WB24X384 ... Show more , WB24X401, WB24X414, WB24X426, WB24X429, WB24X439, WB24X441, WB24X445, WB24X5227, WB24X5228, WB24X796, WB24X801 Show less
Questions and Answers

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88 questions answered by our experts.
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ERNIE
July 20, 2017
Hello folk! I need your help! I have GE microwave & the lights fan clock etc work but it will not turn on to cook! Part is the issue? Do 7 have the part? Thanks sincerely;elo
For model number GE MODEL JVM1540SP1SS
Hi Ernie, great question. When this model of microwave will not start, it is most commonly a problem with the secondary door switch. You can find a replacement part using this part number: PS237421. You may also want to enter your model number into our Instant Repairman feature to determine what other parts could be causing this symptom. Thanks for you question and good luck with the repair.

29 people found this helpful.

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Michael
October 26, 2017
Needing to replace a faulty secondary door switch on my GE profile microwave (part # wb24x829). After cutting off the breaker to the microwave, do you have to discharge the capacitor in order to change the switch? If so, how do you discharge the capacitor before installing the new switch to avoid electrical shock? Thank you
For model number PVM1870SM3SS
Hi Michael, Thank you for your inquiry. Before you begin any repair please unplug the appliance from the electrical outlet. To replace the door switch in your microwave open the door and remove the screws securing the grille. Slide the grill to the left to release it. Next remove the screw on left securing the control panel and loosen the screw behind the panel. Lift the panel up and pull it forward to detach. Now remove the screws to release the switch assembly. Depress the release tab and the actuator to detach the switch you are replacing. Disconnect the wire connector to fully release the old switch. Install the new door switch by first connecting the wire connector. Position the new switch inn the assembly and snap it into place. Realign the switch assembly on the frame and replace the screws to secure. Reposition the control panel and tighten the screw behind the panel and replace the screw on the left. Reposition the grill on the microwave and slide it to the right. And replace the screws. Restore power to the microwave and it should be ready to use. I hope this helps. Thank you and have a great day!

16 people found this helpful.

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Ursula
August 16, 2017
How do i replace the secondary switch?
For model number JVM1740DM122
Hi Ursula, Thank you for your inquiry. Just beneath the photo of the part on our website you will find installation instructions on how to install this part. I hope this helps. Thank you and have a great day!

15 people found this helpful.

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Bob
July 31, 2018
I get no power to my microwave, lights, clock ,nothing. Checked the receptacle and i have power there.
For model number JVM6175EF1ES
Hello Bob, Thank you for the question. In most cased this would indicate the Thermoprotector (TCO - MAGNETRON) has blown and will need to be replaced. PartSelect #: PS2370185. Hope this helps!

7 people found this helpful.

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Seth
March 22, 2018
Hello, only some of my touch pad is working. The microwave works as it should but some of my touch pad buttons are no longer working (1,2,7,8,9,0), but all other buttons work just fine. Which part do i need to fix this problem? Thank you.
For model number JVM1740DM1BB
Hello Seth, thank you for your question. If some of the buttons are working and others are not I would recommend replacing the key pad itself, Control Panel with Touchpad - Black part number PS1480892. Please enter the part number into the site for current price and availability. Good luck with your repair!

4 people found this helpful.

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Jason
December 20, 2017
When i open the door the turn table starts turning. When shut; it stops. Sometimes when i open the door it's not turning and i start it but nothing gets hot and the turn table is still not turning.
For model number JKP90DP3WW
Hi Jason, Thank you for your question. It sounds like you are going to have to replace your door switch. You do have three on your appliance. You can use a multi meter to test which one it is that you will need to replace. They should all read close to or on 0 ohms to be working. Good luck with your repair.

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Brian
December 25, 2017
When we open the the microwave door it starts working.
For model number JVM1840WD001
Hi Brian, Thank you for the question. I suggest testing the two Secondary Door Switches, PartSelect Number PS237421 and the Monitor Door Switch, Part Number: PS237422 with a multi meter to check for continuity to determine the defective switch. Hope this helps!

4 people found this helpful.

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Helmut
January 10, 2018
Micro wave does not heat
For model number JE1468K02
Hi Helmut, Thank you for the question. I suggest checking the High Voltage Diode, PartSelect Number PS239843 first. You will need a Multi Meter to test ohm reading on the part. You can also test the Magnetron, PartSelect Number PS239377.Remember, the microwave can still contain a large amount of electricity even when unplugged, so be sure to discharge the capacitor before performing the repair or testing. I hope this helps.

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Bonnie
January 5, 2018
Micro works but starts as soon as door is opened
For model number HVM1750DP1WW
Hello Bonnie, Thank you for your inquiry. It sounds like one of the door switches is not recognizing that the door is open, you can test the parts with a multimeter. If you are unfamiliar with how a multimeter functions, there are YouTube videos available to assist you.Hope this helps!

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Michael
February 19, 2018
My model has 3 switches are the two a secondary switch
For model number JVM1740DM1WW
Hi Michael, Thank you for your question. Yes, 2 of the switches are the secondary door switches. I hope this helps. Thank you and have a great day!

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Customer Repair Stories
 Average Repair Rating: 4.1 / 5.0, 26 reviews. What's this?
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light worked, timer and control pad worked, but no turntable, no heat, no noises of any sort, just didn't start up
Noted on partselect.com that someone else with this problem, found it to be secondary door switch. There are three door switches in this model, but online info noted that one of the three might feel "soft" (in my case, one switch clicked in a rather "jiggly" way, the other two were strong decisive clicks.) To access the door switches on this model was the only difficult part. First use a torx bit to remove the two torx screws below the latches inside the microwave. This frees the latching part inside, that holds the door switches, which you will remove after you take off the control panel. The top grill has to come off before you can remove the door panel. Remove the screws above the grill, on the microwave top cover, The grill on this model is covered with a panel that moves out when it vents. After removing the two top screws, the covered grill vent slides left to remove. Be careful, as the sliding tabs are plastic. Wiggle and jiggle it, to slip it off. Below the removed grill, is a small metal grill with one screw in lower center. Remove that screw, and wiggle that out. You'll then see the one screw that holds on the control panel. Remove this screw, and lift the control panel up to remove. Again, go slowly and gently, as the bottom tabs holding the control panel in, are also plastic and easily broken. Lay the control panel on something, (I used the coffee maker) and pull out the wire bundles tucked on the left, that are attached to the latching panel. Wiggle the latching panel gently to lift it up off of it's plastic tabs and pull it out towards you, so you can see the three door switches. Each switch (part number WB24X829) has a little black switch on it. Feel each switch with either your finger, or a screwdriver to see which one doesn't "click" strongly. The weak one is the one you will replace. The door switches are fitted into a tab, and plugged into their wires. Remove the defective switch, pull out the wires, and replace it with the new switch, plugging back the wires, and slipping it back into it's plastic tabs. Then put everything back together in reverse order. The entire job took me fifteen minutes EXCEPT for figuring out how to slide off the upper grill, which I have told you. A repairman would have cost $150, the part was $18. AND, there's a good chance, the other two switches will get "used up" in the next year or so as well, so I'll be ready next time. Thank you, Partselect, why work all day, to make money, only to give it to somebody else, for fifteen minutes of work. All I needed was the knowledge.
  • Marla from Arlington, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
283 of 319 people found this instruction helpful.
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GE Microwave turns on when door is opened
I saw a similar problem description at partselect.com and was confident to take the challenge to repair it myself. (Thanks to partselect.com). When I opened the microwave cover I found 3 similar switches. 2 of them works the same way and the other in reverse direction. Image diagram provided to buy parts is helpful to identify the switch.
Steps:
Remove the built-in microwave from the wall and keep it in an open space.
Remove the microwave screws and take the cover out.
Remove the 2 screws(inside) from the plastic panel where switches are snapped in
Gently remove the faulty switch and replace with the new one.
(In my case the topmost secondary door switch was broken)
  • George from Sugar Land, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
  • Parts Used:
    WB24X830, WB24X829, WB03X10048
121 of 153 people found this instruction helpful.
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Microwave wouldn't turn on
I found the thermostat & one connection burnt... replaced the thermostat and replaced a wire terminal. I checked the door switches and found the one with burnt connections faulty... the switch was constantly closed, even when it was supposed to be switched open. Replaced the switch and the thermostat, and the microwave now works like new. If the thermostat goes bad again, I'll replace the magnetron next time.
  • Gary from West Mifflin, PA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB27X10810, WB24X829
46 of 70 people found this instruction helpful.
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All electircal functions worked except the heating mechanism
A great place to start is to reveiw the posting from "Marla From Arlington TX" posted on 8-3-09. It provides an excellent description of the process that you will need to follow. The only additional thing that I would add is to check the contacts on the switches. In my case I found that all three of the switches had a small build-up of corrosion. I used sandpaper to clean the contacts. Because none of the switches had a "soft" click to them, it was hard to identify the bad one. I basically picked the worse looking one and then cleaned the contacts of the other two. I'm not sure if I actually even had a bad switch or if they all just needed cleaning. Whatever the case, it worked. I would suggest checking the contacts first. You may get away with not having to replace any of the switches. And in my case what makes me think that it may have just simply been dirty contacts is that the heating mechanism would engage every now and then. It wasn't dead 100 percent of the time. It's worth a try anyway.
  • Chad from Firestone, CO
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
43 of 48 people found this instruction helpful.
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Microwave Fan Turned on When Door Was Opened
To get to the switches you need to remove the metal cover/housing of the microwave, by first removing several screws that hold it in place, and then sliding the cover towards the back of the unit. You'll find the switches in some plastic holders above the door-open button, and it's its easy to see how the mechanism engages/disengages the switches when the door is opened and closed.

If it is not obvious which switch is bad, in our case the bad switch felt "soft" when we pressed the switch button with our fingers. A good switch has a firm "click" when pressed.

The switches are easy to replace - pop out the old switch (no tools required) and pull off the electrical connectors. Then pop in the new switch and reattach the connectors.
  • Bishop from Coupland, TX
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
39 of 44 people found this instruction helpful.
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Turntable won't move, no heat -but light and fan ok.
Remove the 2 Torx-15 screws at left of control panel. Work the control panel out by pulling slightly to the left first - it is engaged to the slotted holes to the right.

Remove the door's upper switch by lifting the tab and pulling out the switch carefully. To install the new switch, you may have to remove 2 philips screws holding the plastic assembly where the switches are mounted to the metal frame.

Diagrams on the website are misleading b/c the switch shown up on top of the other 2 switches is the switch w/ the NC (upper) terminal while you'll need the NO (lower) terminal for this repair (symptoms are: turntable won't move, no heat -but light and fan ok). I should have called before ordering the part (had to pay shipping twice)...

Once I got the right part, it works just like before.
  • Sean from San Jose, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
38 of 45 people found this instruction helpful.
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No heat in the microwave
We purchased our Microhood oven about 4 years ago along with the extended warranty package offered thru home depot. Within one year, the problems began. Each year the secondary switch would go bad rendering the microwave useless. If you have 3 small children like we do, you tend to use it a lot. We sure take the microwave for granted.

Each time G.E. would fix the problem at no charge. Ths time - the warranty had expired and GE wanted to charge us $80.00 for service call plus parts and labor. We estimated the cost to run at least $150.00 or more.

To top it all off, GE was going to have a service tech avail for over 2 weeks. This is poor customer service and completely unaccceptable.

Because this was a recurring problem, I figured it was the same part that had being going bad since we purchased the appliance. I decided to order the part "secondary switch" myself and attempt to fix the microwave on my own.

I ordered the part last Tuesday, the part arrived last Friday. Within 10 minutes I had the microwave apart, replaced the part and had the microwave back in working order.

PartSelect saved me over $100.00.

We are very satified with PartsSelect, I would recommend them to anyone
  • Douglas from Mechanicsburg, PA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
28 of 34 people found this instruction helpful.
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Everything worked on the microwave, except it would not heat anything.
The microwave had been working fine until one day when the timer counted down but the heating motor (or whatever you call it) would not come on. So the timer would count down but nothing inside would get hot. I did not know what it was for sure but decided to take it apart and look. Once I had the control panal off, I found three small wired switches inside. One of these switches appeared to have shorted out. So I searched online and found Partselect.com. I found a matching switch , ordered it (arrived in couple days), put it in, and VOILA it works! Thanks Partselect.com.
  • Randy from Ottawa, IL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
27 of 32 people found this instruction helpful.
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After closing door the display panel must be tapped on to keep the unit operating.
The switches are not the problem! The problem is in the tolerences of the latch housing. I have ordered two new housings (Upper & Lower) and will see if the tolerences are closer. If not I will try epoxying a shim to the plate that operates the microswitches. The other option is to file the mounting slots of the housing to allow adjustment, which would be iffy,keeping them from moving with use. The exploded drawings really need to be clarified. The scale is way too small. It was extremely difficult to pick out the individual parts of the mechanisiam.
  • Paul from San Jose, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X830, WB24X829
18 of 40 people found this instruction helpful.
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When opening door, the microwave would turn on
I've been fixing and taking things apart since I was a kid. I hoped that it was a bad switch in the door. Got out my test meter and check the 3 different switches. All 3 tested good, but one was a bit hit and miss. It would work if the microwave was on its side and wouldn't when it was set flat. I found the switch online and installed it. Took care of the problem.It was a whole lot cheaper than buying a new microwave. Thanks! Bill Brown, Fridley, MN
  • William from Fridley, MN
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
  • Parts Used:
    WB24X829
16 of 17 people found this instruction helpful.
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Customer Reviews
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35 Reviews
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Model Cross Reference
This part works with the following models:
PartSelect Number: PS237421
Manufacturer Part Number: WB24X829
Brand
Model Number
Description
Kenmore
36362702200
Microwave
Kenmore
36362709300
Microwave
General Electric
56-2899-10
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