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GE JT915 Single Oven Temperature Problem

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I have a GE JT915 Single Convection oven. When setting the temperature to any setting (say 400 degrees); and then

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  #1 (permalink)  
Old 03-14-2010, 05:30 AM
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Default GE JT915 Single Oven Temperature Problem
Model Number: JT915S0F2SS   Brand: GE   Age: 1 - 5 years   

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I have a GE JT915 Single Convection oven. When setting the temperature to any setting (say 400 degrees); and then press start, the temperature indicator already indicates that the oven is over 100 degrees, even though its at room temperature. Then the oven temperature indicator climbs up to the set temperature; 400 in this case, and the oven beeps that it has reached temperature. However, using a separate oven thermometer, the oven will NEVER go over 260 degrees. It fails this way when using BAKE or CONVECTION. No matter what temperature I set it to even 450 or 500 degrees, the temperature indicator will climb to that temperature, but inside the oven, its only around 260 degrees.


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  #2 (permalink)  
Old 03-15-2010, 04:14 AM
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I would check the oven sensor.

The following should help
http://www.applianceaid.com/elecrange.html

See Items 7, 8, 20 and 21.
Also check the connections to be sure they are clean and properly seated.
The temperature sensor is a positive type device re: resistance rises with temperature. Dirty/poor connections add resistance so the unit could think is is hotter than it actually is.

Remember to unplug the unit, 240 volts is lethal!!!
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Old 03-31-2013, 11:15 AM
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Default GE JT915 Single Oven Temperature Problem

I have the same model, and am having the identical problem.

To troubleshoot, I removed the thermal sensor, and it reads 1100 ohms at 75 degs ambient, so that is OK at ambient, although untested over temperature. The sensor may be non-linear as temperature rises. I may put it in the oven and use the convection setting and keep an oh meter connected and record the readings versus temperature. I am not sure what the resistance versus temperature readings should be.

I removed the bake element and it reads about 20 ohms, so no problem there.

I cleaned and reseated all connectors on the controller board and verified continuity there, so the wiring is not a problem.

I have tried resetting the oven controller by removing power.

Nothing fixed the BAKE problem.

By the way, the CONVECTION BAKE and BROIL both work, which makes me think it is not the sensor!!

Could it be the controller?

It sounds like this could be a common problem with this GE Pofile oven. Has anyone seen this and repaired it or have any suggestions?

Thanks, Broiling in Texas
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Old 03-31-2013, 11:24 AM
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Default GE JT915 Single Oven Temperature Problem

Forgot to say that I cycled the JT915 through the oven cleaning cycle, and with the bottom BAKE element cover removed, I was able to see the BAKE element glow.

repeated this with the normal BAKE cycle at 350F and it never comes on and is cool to the touch.

The BROILER element is what pre-heats this oven to a little over 200F then I assume the BAKE element is supposed to come on and doesnt!!

Any ideas?
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Old 03-31-2013, 11:26 AM
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Default GE JT915 Single Oven Temperature Problem

Complete model number is JT915S0K5SS
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Old 04-01-2013, 03:09 AM
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Here are your parts
Parts for GE JT915SK5SS Wall Oven - AppliancePartsPros.com

Note that the above model does not have the 0 in it.

It does sound like the control board (item 16 in the Control Panel Parts section) is shot
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