Question about Jenn-Air JJW9330D Electric Single Oven

3 Answers

Jenn-aire jjw93330ddb wiring installation problem

I attempted to install my jenn-aire jjw9330ddb wall oven and accidentally connected the neutral white wire to one leg of the hot. the oven came on briefly and then cut off. i could smell electrical burning. after disconnecting the wiring and discovering i had wired it wrong i wired it correctly but nothing happened. i checked for voltage to the terminal block in the oven and to the circuit board and i had correct voltage. i think i fried the circuit board. what do you suggest.

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  • jhjr May 30, 2008

    thanks maanita, but can the safety fuse be replaced and if so will this fix my problem

  • jhjr May 30, 2008

    where is the safety fuse located & how do i determine if it is defective. if it is then how do i replace it

  • jhjr May 30, 2008

    thanks ginko for your solution for my problem, but i have a wall oven (jenn-aire jjw9330ddb) and not a microwave. i did use my multimeter to check power and i did have power to the board. your advice however is helpful in that whether microwave or wall oven, both i believe would have same problem after my blunder

  • jhjr May 30, 2008

    thanks maanita, i will test the fuse which is located on top of the oven.

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3 Answers

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  • Jenn-Air Master
  • 19,396 Answers

To start you should get a Multimeter and check if there is still power in the cables coming to the oven. The wires may have blown after the short, in this case there won't even be power coming to the oven.
Regarding fuses, (microwaves have more than one fuse), there should be one or more fuses on the power board, where electric cables connect to. This is the one you have to check, this should be a traditional cylindric fuse held only by his slot. If you do not find it, it may be soldered to the boars, in this case consider replacing the board.
Your problem is not necessarily the fuse, it can be for example a blown capacitor, get a Multimeter and start testing power board, or call a technician.

Here is a complete microwave general repair guide.

Check also:
Microwave Oven Repair Guide - Replace your microwave's fuse
Microwave Oven Repair Guide - My microwave isn't working
Here you find diagrams for jenn air microwave, your model is not in list, but many the ones illustrated have same control

Posted on May 30, 2008

  • 1 more comment 
  • Ginko
    Ginko May 30, 2008

    Do not get confused, if the problem had been caused by a short , changing thermal fuse is not going to help.
    The fuse you have to check probably it is not the thermal fuse, microwave's thermal fuse blows when oven overheats.
    If your problem had been caused by a short you need to check the power board inside the oven, that is where power wires connect to.
    You should also check if there is power coming into the wires to connect to the oven, as the short may have blown them.
    I suggest calling a repairman if you are not very experienced servicing microwave ovens.

    Regards


  • Ginko
    Ginko May 30, 2008

    Electric (not thermal) Fuse:





  • Ginko
    Ginko May 30, 2008

    Things do not change if oven is electrical, if you shorted the wires you have probably burnt the electronics (power board or control board) . Power board is more likely.
    If power board does not have a removable fuse like the one above then you will have one (or more) fuses soldered to the board, you need to test them. Shape and size of this kind of fuses may be different.
    Generally you start using the tester from the place where you caused the short ( I assume power board).
    You may need to order the Service manual from Jenn Air to do this job.
    To know if a fuse is working, you just test it for continuity.



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  • Master
  • 652 Answers

Hmm its sounds ur cuirkit board had fired. you should take a it to service centre.

Posted on May 29, 2008

  • Iqbal Husain
    Iqbal Husain May 31, 2008

    The fuse can't fix your problem in your case. Because you have made wrong connection and it will bypass the usual circuit, so it might not be effected to your fuse. I think your borad has been burnt and you should have to take a tour of service centre.



    Thanks and Good Luck

    Iqbal

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  • Master
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You need to check the safety fuse first

Posted on May 29, 2008

  • 3 more comments 
  • Maanita Chadha
    Maanita Chadha May 29, 2008

    It may have shorted the electronic control.

  • Maanita Chadha
    Maanita Chadha May 29, 2008

    I would recommend that you contact one of our authorized service
    providers to come out and see for sure what went wrong, and determine
    what will be needed to correct this issue!


  • Maanita Chadha
    Maanita Chadha May 29, 2008

    you can download the manual directly at http://www.jennair.com,
    just enter in the model number on the main page, and it will direct you
    to all of the literature, you can contact A&E Factory Service directly at (800)
    771-3029 to arrange for an technician to come out.


  • Maanita Chadha
    Maanita Chadha May 30, 2008

    the fuse looks something like



  • Maanita Chadha
    Maanita Chadha May 30, 2008

    check this pic.





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