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
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
Mark D - June 23, 2023
Verified Purchase
Easy repair
The part fixed my microwave and saved me the hassle of buying a replacement.
★★★★★
★★★★★
Ivor H - November 10, 2022
Verified Purchase
Part worked , microwave back in action, expensive micro switch though
See above
★★★★★
★★★★★
Stephen W - May 17, 2022
Verified Purchase
Quick and easy repair
Fast shipping. I would recommend ordering ALL THREE switches, as the first one I replaced only fixed part of the problem. Had to order the other two, and now it is working fine. The parts diagram is helpful, but I wish it could be enlarged.
★★★★★
★★★★★
GRAY B - February 21, 2022
Verified Purchase
easy, reasonable, correct
After receiving the wrong part from another online service, I ordered from you. Although yours was a dollar or so more I received it quickly and it was the correct part. In less than an hour I had replaced the broken part and was back in business in no time.
Thank you for your expeditious service. Highly recommeded.
★★★★★
★★★★★
Dean H - November 2, 2021
Verified Purchase
Easy Repair. Part worked exactly as expected.
Part arrived much sooner than promised.
★★★★★
★★★★★
Steven C - April 18, 2021
Verified Purchase
Replacement park
Worked great
★★★★★
★★★★★
Lee W - January 2, 2021
Verified Purchase
Easy repair. Part worked.
Took 5 minutes to install. Microwave works.
★★★★★
★★★★★
Jeff S - December 31, 2020
Verified Purchase
GE Microwave - secondary door switch
It took much longer than the two to three day delivery that I paid extra for, but with Christmas and Covid, that’s not the end of the world.
Once the switch arrived, I installed it and we’re back in business.
★★★★★
★★★★★
Gary P - November 25, 2020
Verified Purchase
micro wave fan started when door opened
the parts man was very helpful.i feel that this is a good buissness to work with .the part came in 3 days.
★★★★★
★★★★★
Rose Marie A - November 14, 2020
Verified Purchase
Easy repair
Great service, came faster than expected. Problem solved!
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Customer Repair Stories
Average Repair Rating: 4.0 / 5.0, 30 reviews.
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Sorry, we couldn't find any existing installation instruction that matched.
The microwave turntable rotates when the door is open.
This is sometimes described in other repair notes as "microwave 'runs' when door is open." With power disconnected: Remove the microwave's metal grill surround. Three lower screws accessible with lower oven door open. Two screws accessible at top of microwave door opening with door open. Remove microwave control panel: Remove t
... Read morewo femaleTorx head screws (#27?) that secure the panel, accessible at right side of door opening. The right side of the control panel is secured by plastic tabs fitting into slots in the oven frame. Take good care to note how these tabs disengage from the slots (lift and shift). Tab breakage very possible! Once disengaged, the panel hinges outward and downward and is self-supported. It may be necessary to guide some of the wiring out of the way to fully lower. There are three door switches, one "monitor" and two "secondary" switches. All switches are housed in a plastic frame, which must be lifted out of position for access, each switch is retained by flexible plastic, breakable-looking hooked fingers. Also note that the electrical connectors have tiny release tabs that must be depressed in order to pull them off of the switches. In my case the topmost switch, one of the "secondary" switches, was clearly bad since there was no "snap" or click when pressing the switch's button. Maybe you can determine which switch is bad before proceeding but I had ordered all three to avoid going through this exercise again any time soon. Replace switch or switches, place switch carrier back into position and otherwise reverse the disassembly steps.
Removed the outer cover to access the door switches. Turns out there were three switches, but I determined that only two were bad. When the small colored tab on the switch is pushed in it should make a clicking sound. The two bad switches had no resistance and did not make any noise when pressed. Removing the switch is relatively easy,
... Read more you simply pull it away from a couple small tabs holding them in place. After reconnecting the wire leads, insert back into the holding tabs and install the cover.
Followed the online videos to enter the cavity to the switch holder. Noticed right away the dreaded capacitor was in back right corner behind where the touch pad had been removed. I isolated the capacitor with an old computer mouse pad for extra safety. Took some manipulations to get the switch mount out from behind the wire bundles. Once
... Read more out front, easy to use small flat blade screwdriver to release each switch and replace with matching new switch. Only one switch was bad but replaced all three. Back together and working great.
Microwave would run when door was opened, tripped breaker, wouldn't run at times, door opening and close would help/hurt operation
The breaker was tripped but fuse was ok on testing. I kept the fuse for possible future repairs. To access door switches and fuse on this model JVM1850CF001, remove 2 phillips screws at top. Then slide the grill to the left (toward hinges) about 1 cm and it should easily come off forwardly. Remove phillips screw underneath grill attac
... Read morehing the main panel. Lift the panel 1 cm and it will easily come off forwardly - I let it hang by the electrical cords. Now you can see/discharge capacitor(s). Remove 2 star screws inside door to loosen/remove/access door switch frame. 3 switches are held in the frame by plastic tabs - one tab per switch. One is primary and 2 are secondary door switches. I removed each switch one at a time by lifting tab, pulled off the electrical connector and filed the male metal connection on each switch. I replaced the switch with a loose button (loose and didn't click as crisply compared to the other switches) with a new secondary door switch. It was the lower secondary switch. Worked like a charm after that.
Pulled it from the wall remove the front vent covers removed the control panel remove the door switches by a special screw driver bit which looks a star remove the electrical terminals pressed the plastic clip pulled the switch replaced it with new one then followed initial steps backward
After researching on line and watching installation videos, ordered all three switches and installed. Disassembly of microwave was simple, removing the bracket holding the switches was a little tricky, it sits behind a metal post and you have to angle and wiggle it out. One note of caution when replacing all three switches, be sure to ins
... Read moretall correct switch in correct location. Had two of one style switch and one of a second style, and put one in wrong place, causing microwave to power up again when door was opened. After thinking it through and doing a second disassembly, and double checking installation instructions, corrected problem and microwave now works fine.
I took the cabinet off and saw where the switch had been burnt. So I remove it and order another one from your company. And I put new clips on it with heat shrinks. We might get another 30 years out it, Although I'm 80 years old.
CHARLES B. from CLARKSVILLE, TN
Difficulty Level:
Really Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
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Microwave will not start
Removed three screws from the top front cover and slide it out and following I removed the touch panel and the housing that holds the switches and replaced the bad one.
took of cover removed switch and replaced with new one
JULIA from JACKSONVILLE, FL
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
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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.
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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!
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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!
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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!
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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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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!
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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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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!
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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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