Question about Thermador SC302T Electric Double Oven

3 Answers

Broil element of top oven of a double wall oven does not work

Hi:
1.i have a bosch/thermidor-double wall oven
2. i changed the control display and the relay board
3. double checked all the wires etc
4.everything works except the upper oven broil element
5.everything was working prior to my repair so I believe there is something i did not connect properly
6. the bottom oven broil and bake elements works perfectly and the bake element on the top oven works fine also
7. wasnt sure what connections to test to see if element is bad or whether the control connections are bad
8.any help would be appreciated

Posted by on

  • joecialone Nov 13, 2008

    i need to know what wires to test--

  • joecialone Nov 13, 2008

    the oven is a thermidor SC302T double wall oven

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3 Answers

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  • 505 Answers

Well im not terribly familer with thermadors wiring but pull the top off and find the tech sheet then look for a device call a thermal fuse or tco thermal cut off most times they are on top or on the back of the oven yours should have one for each oven bet the one for the top is open can happen if there installed in to close a space

Posted on Nov 13, 2008

  • Indrajit Roy
    Indrajit Roy Nov 13, 2008

    If oven does not heat check heating element and oven control. Follow also suggestion below:
    " It won't bake Usually, when an oven won't bake, it's because the bake element is burned out. The bake element is the black, pencil- thick tube at the bottom of the oven. When the oven heats, the element glows red. This element has an expected life-span of several years. It may last for only one; it may last for many more. When the element burns out, you need to replace it.

    It bakes poorly Here are two instances of when food "bakes poorly:"



    • When the food you're baking is done on top but not on the bottom--or when baking just takes far too long to finish--the bake element may be burned out.

      You may get fooled into thinking it's working, because the oven is hot inside. But many electric ovens use the broil element, too, during the preheat and bake cycles. So the food may be getting heated only by the broil element, which causes poor baking results.

      If the bake element is burned out, replacing it should solve the problem. Otherwise, you need to further troubleshoot the oven's electrical system to locate the defective wire or component.


    • When the temperature is consistent but too high or too low, it could be one of several different things. First check to see if the thermostat sensing bulb has come loose from its holder. It could be lying on the floor of the oven or resting on the heating element. This would cause the oven to not heat correctly.

      If the thermostat bulb is not dislodged, it's likely that the thermostat or sensor is either mis-calibrated or defective.

      Electronic ovens with a digital display use a sensor to monitor oven temperature. To solve temperature problems for these models, you may need to replace the sensor. On some digital-display models, you can calibrate the temperature using the key pad. See your operator's manual for details.

      Ovens without a digital display often use a mechanical system for controlling temperature. On many of these units, you can remove the thermostat knob and adjust the knob itself to more accurately represent the actual setting of the thermostat.

      If, when you remove the knob, there's a screw on the back of it with a small calibration plate, you can loosen the screw, adjust the plate, then tighten the screw again. If the knob isn't adjustable, and the oven temperature is off by more than 30 to 40 degrees, you need to replace the thermostat to solve the problem.
    "
    From repairclinic

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  • 196 Answers

It's either the switch that supplys power to the broiler element or it's the element itself (probably the element itself). I'd go after that first as it's not that expensive.

It's not a thermostat because if it was, the bake element wouldn't work either. The broiler element is not supposed to come on except when in the broil mode or cleaning mode

Posted on Nov 13, 2008

  • 1 more comment 
  • mmechanics Nov 13, 2008

    the wire may be slightly burnt
    remove the back panel to re-wire to the burnt wire. The hardest part about this
    job will be access, the repair is easy.




  • mmechanics Nov 13, 2008

  • It's not getting any power at the outlet...DUH!

  • Well, maybe it's burned out. Attaway, Hoss, just go ahead and replace it
    with the assumption that nothing else could cause a no-bake condition. How 'bout
    checking
    the continuity
    of the element? Whoa, there's a brain flash, ya hey? Should
    read in the range of 20 to 40 ohms. More help on how to troubleshoot it on this
    page
    .

  • 'Course, it could also be a burnt or loose wire to the bake element. I've
    seen it alot.

  • Could be a bad function selector switch, too.

  • Kids and visitors are great for screwing with the mechanical clock "start" or "stop" knobs and pushing them in
    so the oven doesn't work.

  • The oven
    sensor
    could be open. You'll need to ohm it out with... wait for it... your
    ohm meter
    .

  • Your electronic range control (ERC) board could be fried. Usually, there are
    self tests you can do for this and the wiring diagram has the key sequence.

  • The thermal cutout switch might be open. 



  • mmechanics Nov 13, 2008

    http://fixitnow.com/sbrvrs/ovens.htm



    click this link for more help
    thanks.

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    • 734 Answers

    As you say ever thing is perfect. I think there is sum wire misplaced in the control display

    Posted on Nov 13, 2008

    • futureloginn
      futureloginn Nov 13, 2008

      Plz. Mention the model number  


    • futureloginn
      futureloginn Nov 13, 2008

      go to this web site and you can request an owners manual--
      Sits

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