Question about Thermador C302U Electric Double Oven

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Thermador oven sc302 no heat

The bake element on my Thermdador sc302 double oven burnt out. Replaced with a new element but have no heat in the upper oven -- no bake, no broil, no convection. Full power to upper oven and lower oven works fine. I am thinking there must be a blown fuse or high limit switch that needs to be reset. I've checked on-line manuals and parts lists but can't seem to locate any type of reset device.

Appreciate your help!

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  • Thermador Master
  • 5,222 Answers

On modern electronic control ranges, the oven temperature sensor
is the part that regulates the oven temperature. If it is not working properly it could be the reason why the range or oven won't start. This part can be found inside the oven on the rear wall near the top. Most modern ovens will display a fault code if the oven sensor is at fault. If you think the sensor may be the issue you can check the resistance with a multi-meter but will need to know the correct resistance of the sensor at room temperature. Remove power from the appliance before performing this test.
1.Aclicking sound could be something wrong with a relay. Check for any loose connections around the main control board on your oven. The click you hear is a relay losing power and switching back on. If the clock resets then something is causing power interruptions to the board.
2.
3.Even a bad relay door switch will hinder your oven from operating.

If your oven has internal fuses, a wiring or component problem could have caused a fuse to blow. A blown fuse is an indication that a component has shorted or failed, and the problem will need to be corrected. Most ovens that use fuses will have an indication of the circuits that are affected by a particular fuse. If an oven fuse has blown, then you should inspect the oven element and the associated wiring to determine the cause before replacing the fuse.

Posted on Jan 11, 2017

4 Suggested Answers

kachbibi1
  • 979 Answers

SOURCE: Heating element on upper oven of a wall Thermador Oven

The control switch may be bad on it. If there are 2 elements on the top, they both are not bad at the same time.Check to see if the wires have not burned off the control switch first. Check to see if your breakers are O.K. Turn them both(maybe 3) off and then reset.

Posted on Jan 30, 2009

  • 1891 Answers

SOURCE: Thermador SC272TS (1998) Double Oven. Bottom oven

the double oven thermadore ( there is a updated oven control for this oven and may require change out of main control . the main control runs both uppper & lower so you neeed the double oven control . the kit comes with power board /clock and instructions ck with reliableparts.com for more info and you will need your model # there ph # 1888-339-6050 ..hope this helps mm ... before looking for the pc control ck the hi limit for the to oven as this may be the problem . remove the front control panel to get to tech sheet and hi limit . . if hi limit in not on top of oven it's on the back of oven and will require removal of oven to get to it . .. mm

Posted on Oct 26, 2010

ginko
  • 19396 Answers

SOURCE: i have a ge double

Hi.

Check the thermal cutoff. Remove the thermal breaker from the oven and use a multimeter set on Ohms to test it. If the part reads open (infinity of Ohms, same as on air), then you need to replace the breaker

Here the part:BREAK THERML
The part is indicated with number 353 in diagram below.

If the thermal breaker is OK it will read zero Ohms or very low impedance. In that case the next part to replace is the thermostat. The thermostat also called temperature sensor or probe, is located inside the oven cavity.Test the thermostat in a similar way to what you did with the breaker. If the thermostat is open at room, then replace it.

Here the part:Oven Sensor
The part is indicated with number 332 in diagram below.

Here the diagram. Click on the picture to enlarge:

ginko_28.gif

Note. I could not locate the exact model number in database, please call the part seller and ensure that parts correspond to the ones used in your model.

Regards.

Ginko.

Posted on Dec 14, 2010

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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goodluck!

Posted on Jan 02, 2017

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Hello,

While the control board could be faulty, it is certainly not what I`d suspect initially. Do these symptom`s follow a self clean cycle of the upper oven ? Is your oven actually a SC302 double wall oven as the post header implies ?

I ask because the symptoms you describe are a common occurrence when the hi-limit has tripped. The display will indicate the oven is indeed "on" but it will not heat do to the circuit being interrupted by the hi-limit ( which is what it was designed to do ).

Fortunately if it is tripped, they are the manual reset type and are accessible behind the black grill/vent just above the door and just below the control panel next to the lock latch assembly.

With the power off, you should be able to remove the grill and push the red button in the center of the thermostat and that should fix your problem...if indeed the hi-limit is tripped you`ll know immediately because you`ll feel it click as you push it down.

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The control switch may be bad on it. If there are 2 elements on the top, they both are not bad at the same time.Check to see if the wires have not burned off the control switch first. Check to see if your breakers are O.K. Turn them both(maybe 3) off and then reset.

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