Question about GE Ovens

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GE oven model JKP14M - has power - can turn on to 400 degrees by the display, but nothing happens. The elements do not turn on bake or broil. Can it be a power relay on the display board? Help!!

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  • bob_hentz Oct 11, 2010

    Rylee,

    The oven temp probe read 1106 ohms. I would take it as being OK and not out of range.

    Oven relays, K-1 thru k-4. K-1 is line break, K-2 Bake, K-3 Broil and K-4 door lock.

    I am thinking K-1 relay is bad. Is there a way to check this relay with power off and is this the one that you were talking about.

    Bob

  • bob_hentz Oct 11, 2010

    Rylee,

    The oven temp probe read 1106 ohms. I would take it as being OK and not
    out of range.

    Oven relays, K-1 thru k-4. K-1 is line break, K-2 Bake, K-3 Broil and
    K-4 door lock.

    I am thinking K-1 relay is bad. Is there a way to check this relay with
    power off and is this the one that you were talking about.

    Bob

  • bob_hentz Oct 11, 2010

    Rylee,

    I have looked at the relays, do they unplug or will I have to purchase a new circuit board? I have taken the covers off the relays and sprayed them with electronic contact cleaner.
    I could not make the come loose, seemed as if they are soldered to the PC board.

    Thanks,

    Bob

  • bob_hentz Oct 11, 2010

    The Clock is working just fine, timer, and the unit will show bake or broil at what ever temp you display on the oven. Just the oven elements do not turn on.

    In the old days of points on a car, you could take 1500 grit sandpaper or a new dollar bill and run across the contact points to clean them up or to make better contact.

    I am wondering, is the relay coil bad, or just the contacts. What is the voltage going to the relay? So I can check with power on and probe the relay connection points.

    At this point, I have nothing to loose, if it does not work, I have to buy a new board, if GE still makes the part. They are bad about obsoleting parts and no replacement available.

    Bob

  • bob_hentz Oct 11, 2010

    I am going to find out how much a FSP Part for this unit will be. GE has discontinued the part. Also look into relay clean up and see if that helps ( it is a very long shot )

    Bob

  • bob_hentz Oct 11, 2010

    G E no longer support replacement parts for this oven.



    I understand there is a company in Texas that rebuilds control boards. Do you know of any other suppliers?



    Bob

  • bob_hentz Oct 11, 2010

    Power circuit board bad. Not available from G.E.



    Adrian at Baytron Ltd. can rebuild unit for around $90. He is located in Henrico, Virginia.



    Core Solutions wanted $179.00 for the same repair. He is a small one man shop.



    G. E. wanted $350.00 for a new board when it was available.



    Thought this might help someone else.



    Bob Hentz

  • bob_hentz Oct 12, 2010

    Each of the relays made contact except K-1. THe mylar cover was light brown and the other relays covers were white.

    The power up relay is bad.

    Board replacement - R

  • bob_hentz Oct 13, 2010

    No display errors,

    Have had some in the past ---F-1, shut the oven off and reset display and it would go away.

    The display panel is being sent off for rebuild and return.

    I will let you know of the results from this repair.

    Bob

  • bob_hentz Oct 14, 2010

    You are correct, G E no longer supports their product with parts.



    The board has been sent to R & R unit for refurbishment. Only choice out there, or buy a new unit.

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  • GE Master
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From all your comment respond we figure out that you have already identify the problem is the PC board and you suspect one of the relay. You are correct.

The relays on their side they have their data primary Voltage for the coil (in your case is either 12V) the control voltage contacts - 120V and the maximum load in amps.

Since you have nothing to loose by the use of a soldering gun, unsolder the relays pins one by one and at the same time pull it out from the other side. In this way you can remove the relay. Try not to leave the soldering gun too much time on the board since will overheat the other electronic parts.

Now with relay on hand you can visit an electronic parts store and they will be able to give you a replacement. Now by using a pin and the soldering gun you can clean the small holes on PC board so to insert the new relay. Solder it back again and you have a new board.

Our advice is since you will make all this procedure you can remove all relays from the board and replace them all since all are in bad condition after all these years and they will probably have problem in the short future. Take some photos thaw since you might forget where each one was and the photo will help you.

You may not have a previous experience with above procedure but from what we understand you fill that you can do it and above all you have nothing to loose and many to gain. Just remember that 90 % of faulty pc board they are just having only one relay that is stuck or burn.

Try it and let us know.

Posted on Oct 12, 2010

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  • Contributor
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Pull out the wall oven from the cabnet. Took off the back tin panel about 10 tin screws. Follow the wire from both heating elements. They are both connected to a thermo fuse. When using the self clean feature this fuse protects the oven from over heating and starting a fire. put a jumper wire from the hot lead on the left and connected it to the 2 leads on the right side. I turned the power back on and turn the oven on to bake at 350 degrees. It should work . Bypassed the thermal fuse and used the oven, order a new thermal fuse if required.

Posted on Oct 11, 2010

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  • Master
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That is a control board problem. are you getting any errors on the display? post for a followup

Posted on Oct 11, 2010

  • Muzahura Frank Oct 14, 2010

    You should purchase a new control board.

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  • Master
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Hi
Thanks for using FixYa. From what you have described it seems to be an oven temperature sensor circuit failure. To resolve this issue you'll have to check the oven temp. sensor circuit if the reading is more then 1100ohms then it should be replaced however, if the rating is fine then it is the Relay that has gone bad & should be replaced. Please accept the solution if the issue is resolved or post a comment for further assistance.

Thanks
Rylee

Posted on Oct 10, 2010

  • 1 more comment 
  • Rylee Smith
    Rylee Smith Oct 11, 2010

    Sorry for replying late, just checked you mail. Yes you are right the complete board should be replaced.

  • Rylee Smith
    Rylee Smith Oct 11, 2010

    When the probe is fine then it is always recommended to replace the board completely just to avoid any further issues. Please accept the solution if the issue is resolved or post a comment for further assistance.



    Rylee

  • Rylee Smith
    Rylee Smith Oct 14, 2010

    F1 error itself states that the board is bad and should be replaced.

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