Question about GE JKP45 Electric Double Oven

2 Answers

Bottom oven will not heat. stays at 100 when I turn it on.

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  • Richard DeWire May 24, 2011

    There has been no repair on this oven to have reversed the wires and bottom oven worked fine for 12 years up to this point. When I turn the bottom oven on to heat, it stays at 100 degrees and does not heat at all. The top oven seems to work fine.

  • Richard DeWire May 24, 2011

    I replied to you about 2 hours ago. Any more suggestions?

  • Richard DeWire May 27, 2011

    Can I reset this thermostat myself or do I need to purchase a new one? I believe I've have found it behind the grill. Does it have two wires attached and attached to the blower encasement with 2 screws? Thanks

  • Richard DeWire Jun 02, 2011

    I'll likely have some one come in an look at the oven. I think there are so many possible things it could be that I don't want to replace sveral parts before I find the problem. thanks

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  • Master
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The solution applies to most built in GE ovens, but the wire coloring may be different for some models. Make sure you check your wiring diagram that is specific to your model number.

Symptom: F2 errors, oven display stays at 100 degrees, uneven cooking.

Description: You turn on the upper oven and set the temperature. The left orange numbers on the display light up and show the set temperature. After about a minute the left temperature shows 100 degrees and stays there. You check the upper oven, but it is not getting hot. The lower oven starts to warm up. If you set the lower oven, the exact opposite scenario exists.

Cause: When the upper oven is set, the control board turns on power to the elements and measures the temperature in the upper oven. The problem is that if the orange wire is connected to DLB2 instead of DLB1 and the yellow is connected to BA2 instead of BA1, the lower oven will begin to heat instead of the upper oven. In short, the wiring is wrong and needs to match the wiring diagram. Here is an example that covers most built-in GE ovens:

Bottom oven will not heat. stays at 100 when I - zjlimited_1279.jpg

zjlimited_1280.jpg

Upper Bake(BA1) - Yellow Lower Bake(BA2) - Yellow/White
Upper Broil(BR1) - Violet Lower Broil(BR2) - Violet/White
Upper DLB(DLB1) - Orange Lower DLB(DLB2) - Orange/White

This page ( fixyourboard.com/boards/WB27K5119 ) describes a common hook up problem that fortunately is easy to correct and causes no permanent damage. A partial list of model series that this applies to is: JKP44GT JKP44GV JKP45WP JKP45WT JKP45WV JKP54GP...

Hope helps.

Posted on May 24, 2011

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  • GE Master
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Hello, welcome to FixYa.

It sounds like the hi-limit safety thermostat may be tripped, I haven't seen anywhere in the post dialog where this has been mentioned or that you've checked it though, have you checked ?

I should also verify you have confirmed the lower element is getting 240vac and there is no wire breakage as that too can manifest in the manner you described.


As for the hi-limit safety, unfortunately it is the non-reset type hi-limit on these ovens, though it may sub to the reset-able type when a replacement is purchased ( if the oven is indeed a JKP45 model ) It is shown here and is behind the grill between the two ovens...

Bottom oven will not heat. stays at 100 when I - macmarkus_298.jpg


being that it is located between the two ovens behind the grill where the lock is for the lower oven, so it is a challenge to get to, but the part is available at "repairclinic.com" or "searspartsdirect.com" on-line parts vendor for approx. $10-20USD. but if you jump it out to test it and then replace it, you can get the oven back up and cooking.

** Please turn off the breaker before attempting any service please...safety first **

Let me know how you make out or if indeed you've already checked the hi-limit thermostat. I'll watch for your reply. Good luck.

Regards,

Macmarkus :)

Posted on May 25, 2011

  • Mark MacDonald
    Mark MacDonald May 27, 2011

    Hello again,



    Thank you for replying, to answer your first question, you will likely need to replace it. The model number I looked up based on your post indicates it is a single throw, not resettable unfortunately.



    To address the second part of your post, " Does it have two wires attached and attached to the blower encasement with 2 screws " yes that should be it, though it is a nuisance to get to and on yours there may be two...one for the fan and one for the hi-limit safety.



    Let me know if I can help you going forward. The replacement number sometimes substitutes to the reset type and is original # WB24K5085 and # WB24K5049, but double check with your parts provider of choice. Good luck.



    Regards,



    Macmarkus :)

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