237421-1-S-GE-WB24X829          -Secondary Door Switch
237421-1-S-GE-WB24X829          -Secondary Door Switch 237421-2-S-GE-WB24X829          -Secondary Door Switch 237421-3-S-GE-WB24X829          -Secondary Door Switch http://www.partselect.com/Schematics/GE/GE_Thumb/00125324i01.gif

Secondary Door Switch

PartSelect Number PS237421

This part works with the following brands: GE, Hotpoint & Kenmore.

This part fixes the following symptoms:

  • Won’t turn on.
  • No heat.
  • Doesn’t shut off.
  • Compare At

    $24.85
  • You Save

    $4.14
  • Your Price

    $20.71
In Stock
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Installation Instructions Provided by PartSelect customers like you.

Average Repair Rating: 4.1 / 5.0, 21 reviews What's this?
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161 of 187 people found this instruction helpful

Parts Used

  • Secondary Door Switch

Level of DifficultyEasy

Time to do repair:Less than 15 mins

ToolsScrew drivers

CustomerMarla from Arlington, TX

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.

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82 of 103 people found this instruction helpful

Parts Used

Level of DifficultyReally Easy

Time to do repair:15 - 30 mins

ToolsNutdriver, Screw drivers

CustomerGeorge from Sugar Land, TX

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)

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31 of 38 people found this instruction helpful

Parts Used

  • Secondary Door Switch

Level of DifficultyA Bit Difficult

Time to do repair:15 - 30 mins

ToolsScrew drivers

CustomerSean from San Jose, CA

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.

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24 of 28 people found this instruction helpful

Parts Used

  • Secondary Door Switch

Level of DifficultyEasy

Time to do repair:30 - 60 mins

ToolsScrew drivers

CustomerBishop from Coupland, TX

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.

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24 of 29 people found this instruction helpful

Parts Used

  • Secondary Door Switch

Level of DifficultyEasy

Time to do repair:15 - 30 mins

ToolsScrew drivers

CustomerChad from Firestone, CO

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.

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