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Thread: [FIXED] Jenn Air F2/E1 stuck key error

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  1. #1

    [FIXED] Jenn Air F2/E1 stuck key error

    Model Number: JJW2430DS00
    Brand: Jenn-Air
    Age: 1-5 years

    I have a JENN AIR in wall oven JJW2430DS00 that is giving an F2/E1 error code. I have determined it is coming from the left touchpad area. Is there any other option than an $800.00 touch pad assy? Oven is currently not usable due to error.

  2. #2
    Doc
    Join Date
    Mar 2016
    Posts
    709
    Sorry but I cannot be much help here as I cannot find any tech data on this unit.

    Have you tried removing power from the unit to see if it will reset?

    Looking at the parts it looks like the keyboard is the touch sensitive type.
    These are a pain in the you know what when they are use in locations where steam and grease can contaminate them.
    I would remove the keyboard and give it a good cleaning with isopropyl alcohol, just be sure that the alcohol has all evaporated off befor reinstalling.
    Also clean/check the connectors between the control board and keyboard.
    Also check/clean any connections to the frame/ground.

    Replacing the keyboard is always a gamble unless the keys can be checked with a meter and you would need tech info to do this.
    If it is a touchpad then checking it is not possible.
    So it is the most likely cause but it could also be a control board problem.

  3. #3

    Control Panel connection unstable

    A Google search of this error code only takes you to suggestions of shutting down and restarting after a few minutes. Then CALL for support. This is nice but some of us who want to figure out further than a CTRL+ALT+DEL suggestion, we go to PARTS DR for answers. I've used this site and ordered replacement parts here and have $AVED allot.
    Here's what I did after watching some YouTube videos regarding the code and how to get into the control panel.
    Ultimately, I needed to get into the control panel to check for any loose connections and/or cleanup any dirt/moisture/grease build ups.
    I'm no electronics expert but I can discern which and what parts performs, so I don't have any hesitation on pulling parts out (just be extra careful)
    Once the control panel is exposed I noticed that the ribbon connector between the glass panel and the electronics board easily popped out of its connection, so thats what F2E1 is referring to. So I aligned the male and female connectors and pressed on for a tighter connection.
    I also make sure any other unsoldered parts are not loose.
    I think this is a known issue by the manufacturer and suspiciously another way for them to get the SUPPORT CALL.
    An easy fix is to add a thin layer of material that will press on that connector once the enclosure is reapplied. Something I will definitely apply should this issue re-occurs.Attached are collage pictures of the steps I performed to get to the control panel.
    Good Luck and DO TURN OFF THAT POWER SOURCE.

    fdrof2
    #dadfixeditClick image for larger version. 

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  4. #4
    @fdrof2

    Thank you so much for posting this. Had the exact error on our microwave/oven combo. Followed the instructions and found the ribbon cable connector under the plastic behind the touch panel wasn't seated.

    After reseating, I turned the breaker over and tested successfully. While reassembling the error and beep came back. The ribbon fell out again! I put two long pieces of electrical tape over the ribbon cable to the end of the board. Fingers crossed this keeps it going.

  5. #5
    Quote Originally Posted by fdrof2 View Post
    A Google search of this error code only takes you to suggestions of shutting down and restarting after a few minutes. Then CALL for support. This is nice but some of us who want to figure out further than a CTRL+ALT+DEL suggestion, we go to PARTS DR for answers. I've used this site and ordered replacement parts here and have $AVED allot.
    Here's what I did after watching some YouTube videos regarding the code and how to get into the control panel.
    Ultimately, I needed to get into the control panel to check for any loose connections and/or cleanup any dirt/moisture/grease build ups.
    I'm no electronics expert but I can discern which and what parts performs, so I don't have any hesitation on pulling parts out (just be extra careful)
    Once the control panel is exposed I noticed that the ribbon connector between the glass panel and the electronics board easily popped out of its connection, so thats what F2E1 is referring to. So I aligned the male and female connectors and pressed on for a tighter connection.
    I also make sure any other unsoldered parts are not loose.
    I think this is a known issue by the manufacturer and suspiciously another way for them to get the SUPPORT CALL.
    An easy fix is to add a thin layer of material that will press on that connector once the enclosure is reapplied. Something I will definitely apply should this issue re-occurs.Attached are collage pictures of the steps I performed to get to the control panel.
    Good Luck and DO TURN OFF THAT POWER SOURCE.

    fdrof2
    #dadfixeditClick image for larger version. 

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    Any other suggestions?
    Last edited by ntheaux; 12-07-2021 at 06:56 PM.

  6. #6
    I have a slightly different model but everything is pretty much the same. I’m missing a step the gold shielding on mine is more of a fabric that a metal piece and appears to be attached to the board below. I didn’t want to rip that apart. Is that where the orange board you show in the picture?

  7. #7
    Just another followup - the part under the gold shield I wasn’t sure how to remove. My husband look at it and sure enough that’s the part that needed to be cleaned and reattached. Mine is a double oven model JJW3830DS00.

  8. #8
    FDROF2 is definitely on the right track here. Specifically, the F2E1 stuck key error is caused by oxidation in the low profile connector he identified. These are very low voltage, low current signals and the connector contacts are highly susceptible to oxidation, which forms in a humid environent like an oven or microwave. They should have been gold plated, but even Jennaire tries to cut costs. I've done a fair amount of connector failure analysis in my career and I can tell you they justified using something other than gold by saying the single mate cycle is a gas tight interface and therefore won't oxidize. Guess again, Jennaire. Also, the constant opening and closing the microwave door can cause what is called fretting corrosion. This is where micro-vibrations, over time, pock the contacts and wear through the plating, allowing moisture in and causing rust. By reseating the connector (it just pops off, and presses back together), we are wearing away the corrosion and allowing electrical contact. The pattern will repeat itself again, so just be prepared. I'm reposting the picture to show how the top portion just pops off the green board. It wasn't all that clear in FDROF2's picture so I edited it a little. I have to be honest and say that I originally did not even understand what he was showing and independently I popped off that connector and replaced it again. The stuck key error went away. So I went back and re-read the post and realized he was saying to do what I did. This is my second occurance of this error, by the way. When it happens again, I may use some kind of electrical grease on the contacts to keep moisture out.Click image for larger version. 

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  9. #9
    Thank you @fdrof2. I had similar issue and your solution worked for me. Thanks for the detailed instructions.

  10. #10
    I have the exact same problem. Occurred in the middle of the night last night. I reset as the factory solution says and no go.
    I have removed the control panel and exposed the exact layout in the pictures above posted by fdrof2.
    I am going to clean and check for loose wires then I will report back if there is a success.
    Right now replacement of this board is $1400. No thanks.

  11. #11
    Update to the above, I did exactly that cleaned and checked for loose wires and nothing changed. Still the same issue.
    I also reached out to several computer board appliance companies and all said they didn't work on this issue and had no solution.
    Seem like a waste but I ended up buying a replacement front panel off ebay for $800 and now she works fine.
    Doesn't look like there is an easy solution when you get this error other than replacing the front panel.

  12. #12
    Patient
    Join Date
    Oct 2022
    Location
    New Jersey
    Posts
    1

    Angry Stuck Key JennAir microwave F2/E1 code. can always get temp fix for a few days.

    Quote Originally Posted by ovenmaster42 View Post
    Model Number: JJW2430DS00
    Brand: Jenn-Air
    Age: 1-5 years

    I have a JENN AIR in wall oven JJW2430DS00 that is giving an F2/E1 error code. I have determined it is coming from the left touchpad area. Is there any other option than an $800.00 touch pad assy? Oven is currently not usable due to error.
    I have a model JMC2430DP01 with same problem. Manufactured July 2018.
    First time it happened it was after cleaning people cleaned house. I figured they sprayed something that change the capacitance of the front glass.
    Errors were only on the left side of panel as determined trying panel during the 2-3 second gap after clearing.
    I Cleaned glass with soap&water, then alcohol. till all parts seemed to work. fixed it for a few months.
    then it happedn again. This time while checking panel and actually starting microwave for few seconds. I got new error.
    Power inverter bad. $800 and new inverter and Magnetron from repair place recommended by JannAir and still same error message.
    Another$200 and replace control board. Now it worked for a month or so, then stuck key came back.
    After cleaning and heating front and back of panel with heat gun, I could get it to work for a few days to weeks at a time.
    Assuming that the heat somehow helped, I tried placing a small pin ball light bulb behind the panel to keep it warm. Seemed to work but also only few day.
    I tried increasing voltage and therefore heat to bulb to see if this helped. Also also eventully went gives stuck key. Still at loss to explain.
    But If I heat panel from the inside and the glass from outside, It will work for a few days.
    Wife getting tired of me trying. may have to by new panel...

  13. #13
    Quote Originally Posted by wassy View Post
    I have a model JMC2430DP01 with same problem. Manufactured July 2018.
    First time it happened it was after cleaning people cleaned house. I figured they sprayed something that change the capacitance of the front glass.
    Errors were only on the left side of panel as determined trying panel during the 2-3 second gap after clearing.
    I Cleaned glass with soap&water, then alcohol. till all parts seemed to work. fixed it for a few months.
    then it happedn again. This time while checking panel and actually starting microwave for few seconds. I got new error.
    Power inverter bad. $800 and new inverter and Magnetron from repair place recommended by JannAir and still same error message.
    Another$200 and replace control board. Now it worked for a month or so, then stuck key came back.
    After cleaning and heating front and back of panel with heat gun, I could get it to work for a few days to weeks at a time.
    Assuming that the heat somehow helped, I tried placing a small pin ball light bulb behind the panel to keep it warm. Seemed to work but also only few day.
    I tried increasing voltage and therefore heat to bulb to see if this helped. Also also eventully went gives stuck key. Still at loss to explain.
    But If I heat panel from the inside and the glass from outside, It will work for a few days.
    Wife getting tired of me trying. may have to by new panel...

    Don't waste anymoe time or money. Get the new panel.
    Mine has been working flawless since I installed it. (Hope I dont jinks it)

    I did have an issue where it was wigging out every once and awhile. I disconnected from the internet and now its perfectly fine.
    Good Luck.

  14. #14
    Quote Originally Posted by wassy View Post
    I have a model JMC2430DP01 with same problem. Manufactured July 2018.
    First time it happened it was after cleaning people cleaned house. I figured they sprayed something that change the capacitance of the front glass.
    Errors were only on the left side of panel as determined trying panel during the 2-3 second gap after clearing.
    I Cleaned glass with soap&water, then alcohol. till all parts seemed to work. fixed it for a few months.
    then it happedn again. This time while checking panel and actually starting microwave for few seconds. I got new error.
    Power inverter bad. $800 and new inverter and Magnetron from repair place recommended by JannAir and still same error message.
    Another$200 and replace control board. Now it worked for a month or so, then stuck key came back.
    After cleaning and heating front and back of panel with heat gun, I could get it to work for a few days to weeks at a time.
    Assuming that the heat somehow helped, I tried placing a small pin ball light bulb behind the panel to keep it warm. Seemed to work but also only few day.
    I tried increasing voltage and therefore heat to bulb to see if this helped. Also also eventully went gives stuck key. Still at loss to explain.
    But If I heat panel from the inside and the glass from outside, It will work for a few days.
    Wife getting tired of me trying. may have to by new panel...
    I discovered this heating fix (albeit temporary) as well. I used a hair dyer on the front / left side of the panel for a few minutes. Rebooted (by resetting circuit breaker) and as you said worked for a few more days. That being said, I'm in the process of trying another "work around". A youtuber indicted that if you go in and then out of demo mode (found in the tools menu), that will prevent the error messages from popping up. The left keys still won't work but at least no errors. In my setup, I don't need the left keys to work the oven so that would be a good solution for me. In the process of testing, I will report back. Thank you all for the comments/suggestions. My wife is also getting tired of me tinkering but the panel now is up to $1,200 and I'm balking. Also, it seems like this an extremally common issue for Jenn-Air and it feels like the appropriate course of action for a "high-end" appliance manufacture to do a recall or at least offer free replacements (outside of warranty). This has occurred on both our wall-oven and our Jenn-Air microwave. SO call it $6k worth of appliances.

  15. #15

    Angry

    Registered just to add my two cents. Out of warranty and got the infamous f2e1 on my jennair oven. The right side of the touch pad is unresponsive to touch. And I followed all the “solutions” I could find online: power cycling, demo mode, etc.

    One interesting thing I noticed ever since we’ve got this unit with our new build house was that, at night, when temperatures get colder, we’d notice the oven light would be turned on in the morning. Although our home never goes below 67°.The oven light button is on the right panel. So I figure there must’ve been some electrical issue from the factory. I thought it was a weird quirk but didn’t think much of it. Until now, I’m faced with a $1400 repair quote. Jennair needs to issue a recall for this stupidly expensive junk
    Last edited by buuzaa; 10-30-2023 at 10:19 PM.

  16. #16
    So just tried the heating method and it seems to have done the trick (for now). I heated up the glass hot-ish to the touch but not burning hot, using a hairdryer for a couple mins and now the buttons respond to touch now, and no more f2e1 error. Seems like there must be some kind of adhesive that the capacitive panel behind the glass is using that doesn’t respond well to temperature fluctuations. Heating it is likely softening it up and making the contact with the glass better, until it cools/dries and contracts again? We’ll see. Jennair get your act together and put out a fix to this without ripping consumers out of $1400 to needlessly replace the entire control panel

  17. #17
    Quote Originally Posted by buuzaa View Post
    So just tried the heating method and it seems to have done the trick (for now). I heated up the glass hot-ish to the touch but not burning hot, using a hairdryer for a couple mins and now the buttons respond to touch now, and no more f2e1 error. Seems like there must be some kind of adhesive that the capacitive panel behind the glass is using that doesnÂ’t respond well to temperature fluctuations. Heating it is likely softening it up and making the contact with the glass better, until it cools/dries and contracts again? WeÂ’ll see. Jennair get your act together and put out a fix to this without ripping consumers out of $1400 to needlessly replace the entire control panel
    I agree, the sandwich of glass, adhesive, circuit board has a factory lamination issue that is heat sensitive. I used a paint stripper heat gun, but on the circuit board side instead of the glass. It lasted about a week, and now reccurs every couple days. And usually in the morning after a night of cooling. Rather than going down to the basement every time, I installed a momentary off button using the blue power wire going to the panel. That resets the error and it lasts a couple days. Another idea is to leave the microwave door cracked open at night. The light may provide enough heat to keep the panel warm enough to prevent capacitive layer contraction. IÂ’ll try that for a few days and report back.

  18. #18
    I had the same F2E1 stuck key problem with my Jenn Air microwave. Followed the guidance to open the control box. All connections looked ok but proceeded to remove each, clean with alcohol, and reconnected them. Powered back up and no more error. This is the 2nd time this problem happened, first a couple years after purchase when unit was under warranty, then again earlier this year. I had just returned from 3 months wintering in Mexico and the house was empty and at times temps dropped down to the 30s or below I expect. I am thinking that the system cannot handle cold temps. I had put off getting the unit fixed until this week when I arranged for a service tech to come out this morning. Before he came he called me to give me a heads up the cost for part and labor would be about $1,400. I called off the repair and started searching for answers and found this site and thread. I expect the problem the first time was this as well. I wonder how many customers have had to shell out $$$$ for what may actually be a pretty easy fix of a problem that should not have occurred in the first place. I expect I might see the problem again and if so will try the fix again, but if it doesn't work I will absolutely not have a new board put in because it's pretty clear there is a defect in the product line. Sincerely thanks to those that got this thread going!!!

  19. #19
    New question for you experts dealing with the dreaded F2E1 stuck/shorted key. I finally caved and got a new touch display ($1200 USD!!!) and it's working again however the new display did not come with the sheet metal piece that was attached to the old panel. I'd guess it's some sort of moisture barrier or heat shield. Whirlpool will give me no advice on whether to reinstall it onto the new panel. Does anyone know if I should install this part, or is this piece possibly causing more harm than good, and better to just leave it off?

    Jenn Air combo oven/microwave JMW2430DP00

  20. #20
    Admin/Technician Doc Ryan's Avatar
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    Quote Originally Posted by CaptainSprocket View Post
    New question for you experts dealing with the dreaded F2E1 stuck/shorted key. I finally caved and got a new touch display ($1200 USD!!!) and it's working again however the new display did not come with the sheet metal piece that was attached to the old panel. I'd guess it's some sort of moisture barrier or heat shield. Whirlpool will give me no advice on whether to reinstall it onto the new panel. Does anyone know if I should install this part, or is this piece possibly causing more harm than good, and better to just leave it off?

    Jenn Air combo oven/microwave JMW2430DP00
    I just want to chime in quick to remind people to check our site for parts if you need a new control panel. For instance on this one, our price at Parts Dr for part # W10887855 is currently $750 vs $1200. Huge savings!
    Ryan

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