Question about Kenmore 78802 / 78804 / 78809 Gas Kitchen Range

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Oven temperature fluctuating

My oven is about 2 years old. First I noticed things weren't cooking properly. I bought a thermometer and realized even though it beeped to say it was preheated it really wasn't. For instance if I set it at 450 it would beep at perhaps 375. I tried turning it higher than I wanted it, that worked, but then in the middle of cooking the temp. would start to fall, I would turn it up 25 or 50 more, then it would rise even higher than the desired cooking temp and start to burn the food. So if I sit by the stove and keep a close eye on the thermometer and turn the knob up and down about every 5 minutes I might manage to cook something edible. My husband took out the sensor and cleaned it (it wasn't really dirty) and put it back but it didn't help. Do I nead a new sensor? Glowworm

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  • Karen Glowacki Nov 03, 2006

    My model # is 362 75321002, I first posted a month or so ago, I dont remember how those 788 #'s got there. Anyway, I dont think 35 degrees is going to help me much. We really dont want to expend the funds right now for a repair man, we want to order the part but can't decide if it is the sensor or the control panel. Is there a way to check to rule out one or the other?

  • Karen Glowacki Dec 13, 2006

    My husband checked the sensor, it checked out fine. 1091 just like you said. Now we need guidance on how to check out the control panel. If you could please help us. how do we ohm out the control panel? He looked on the paper he found on the back and when he ohmed it out it read 9.54. Does that mean it's bad? I know I haven't put this in the right terminology, please bear with me. I would appreciate any feed back you could give me.

  • Anonymous Dec 31, 2007

    I have the same problemm. Did gloworm ever get the oven fixed? If so what was the problem?

  • terrijo413 Feb 10, 2008

    Having same problem(s). Also, the oven stops heating partway through cooking/baking - even though the read out says that it is still heating, it actually stops heating. Very frustrating!

  • Anonymous Jan 10, 2009

    Same problem here - the temp is not just off, but it actually fluctuates. I'd hate to buy a new thermostat and that not be the solution.



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Glowworm, Im assuming your model is a 790.78802500. If your husband is handy with a meter have him ohm out the sensor. It should show around 1091 ohms at 75 degrees or room temp. The preheat is programed so that the manufacturer can get the energy effecient label on the range and what ever perks they get from it. It actually should take around another 10 to 15 minutes to reach the set temp after it shows preheated. You can calibrate the oven by setting bake to 550 degrees. Then press and hold the bake pad again for 15 seconds or until a single beep is heard. Now you can adust temps up or down in 5 degree increments up to 35 degrees by using the slew keys. It will show in the display. Once you have the calibration done, press stop/clear. Catriver...post back

Posted on Nov 03, 2006

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