Question about Thermador RDDS30 Dual Fuel (Electric and Gas) Kitchen Range

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The oven works, but is burning the tops of baked items. It is appears that top element goes on but does not cycle off properly. Any ideas if it is just the element or a controller?

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  • Thermador Master
  • 43,501 Answers

Hi,
The bottom element is bad...and not working...

Check out this tip that I wrote about this problem...

Oven Problems Electric Oven is Heating Slowly or Poorly
http://www.fixya.com/support/r4511800-oven_problems_electric_oven_heating

heatman101

Posted on May 04, 2010

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Replaced oven element still not heating up


The bake element
is the heating element that is found at the bottom of the oven. Most electric ovens use both the bake element and the broil element in a bake cycle, with the bake element performing 90% of the heating. If the bake element isn't working, the oven may not heat. To help determine if the bake element is defective you should first do a visual check. If the element is blistered or separated then it should be replaced. If the element appears to look normal, then turn the oven on to a bake function for a minute and then turn it off.

Check the element for signs of heating and if it is still cold then it may be defective. Disconnect the power and then remove the back panel. First check the wires as they may have become loose or corroded. If the element appears to be fine visually, test it for continuity with a multi-meter. If the element is burned or no longer has continuity, it will need to be replaced.

Surface burners
are typically either a coil type, solid type or a ribbon coil as used in smooth top ranges. All of these consist of a heating wire that uses electric current to produce heat. Coil type elements can be checked for continuity by removing them from the terminal block and testing them with a multi-meter.

You should also inspect the terminal ends for signs of heat damage or corrosion, and if present, you should replace the terminal block or receptacle at the same time. You will need to remove power from the range to change the terminal block. Solid elements and smooth top elements require raising or removing the main top to gain access. You will need to remove power from the range before lifting the main top. Continuity can then be checked with a multi-meter, once you have removed the wires from the element terminals.

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.

The infinite switch
on the control panel controls the power to each surface element. If you have no heat at an element and the element and terminal block check ok, then you may have a defective infinite switch. Disconnect power to the range and remove the console back panel. Locate the switch and check for overheated wires or faulty terminals first. Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.
If the infinite switch does not appear to be defective, then you should check for proper voltage to the switch. This is a live high voltage test and should only be performed by qualified persons.

Most modern ovens use an electronic control board
to control the oven functions. These models will use the control board to operate the oven safety valve on a gas range or oven, and the bake and broil elements on an electric range or oven. If there is no power to the igniter circuit, or the element circuits, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

Feb 15, 2014 | Kenmore 40494 / 40495 / 40499 Electric...

1 Answer

Bottom element doesnt work in oven, but top does.


NOPE!
  1. Broil element does not have welded-on legs and will touch the bottom of oven, overheating itself and will end up the same way your bake element did; besides, the bottom of the oven will corrode pretty quick
  2. Many ovens use both elements during bake cycle
  3. self clean cycle uses broil element
  4. The bake and broil elements typically have different mounting brackets and screw holes ate in different places
  5. you'd have to cover the hole, left after removing the broil element, and insulate the wires, which went to broil element
  6. the ends, protruding behind the mounting bracket may have different length and different connectors. you may end up shorting the wiring to the casing, which may in turn destroy the control board if there is one
  7. Bake elements usually cost only $40-$60. No jury rigging required.
Hope this helps ;)
Good luck!

Mar 29, 2010 | Ovens

1 Answer

Whrilpool GR450LXHB2- The stovetop works, but the


It won't bake or broilIf neither the bake nor the broiler heating elements heat, but the range burners still work, the clock may be set for a timed or self-cleaning cycle. Check to be sure the clock buttons and knobs are set properly. If your clock has a knob that says "push for man(ual)", push the knob in and try the baking and broiling elements again. If it still does not operate properly, you probably have a defect in the thermostat, selector switch, or common wiring.

If the oven does not have a separate bake/broil/etc. selector switch, the problem may be with the thermostat. But it's not easy to check the selector switch or thermostat for proper operation. If you suspect a problem in this area, call a qualified appliance repair technician.
  • 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.

It won't broil Usually, when an oven won't broil, it's because the broiler element is burned out. The broiler element in an electric oven is the black, pencil-thick tube at the top of the oven. When the broiler is on, 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.

Aug 25, 2009 | Ovens

2 Answers

Bottom oven doesn't heat after running self-clean cycle


Usually, when an oven won't heat, 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.

Aug 17, 2009 | GE Profile JTP56 Electric Double Oven

1 Answer

KitchenAid Oven Temp.- Bottomside of Pizza or Cake stays uncooked


I have a 2yo Kitchenaid oven, and my advice is first, don't use convection for cakes or pizza. Use the thermal oven. For pizza preheat to 500 degrees, then put the pizza on the lowest rack, and bake for 7-8 minutes.This way the bottom browns, and the top doesn't get broiled from the top element coming on during the bake cycle.

As for cakes, again place them on the low rack so that they get bottom heat. I keep my eye on the oven and when the broil element comes on I stick a piece of foil over the cake until it goes off. Otherwise it will set the top and the cake won't rise as much. Even doing that cakes don't rise as much as they did in my old oven, and they brown too much on top.

The convection oven does a good job of cookies, and the broil mode is okay.

I wish I hadn't bought this oven, but I didn't know about the upper (broil) element coming on during the bake cycle until I'd had it for awhile, and it was too late to return it.

If anyone's shopping for an oven, ask questions, and don't get one that maintains the oven temperature by activating the broil element when baking.

Jun 24, 2009 | KitchenAid Architect ® II KEBS208S...

1 Answer

Wont heat past 200 degres


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.

May 27, 2009 | Ovens

1 Answer

Kenmore oven lower element sporadically heating.


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.

May 27, 2009 | Ovens

3 Answers

Fridgiaire Gallery series Model GLEB30T8CBA lower elements dont work


I replaced the relay board for the top oven (the one with the transformer) and it works properly now. My issue was only for the top oven so you probably have to replace both relay boards since both ovens have only the top element working.

318022002 is the part number for the relay board with transformer
318022001 is the part number for the relay board without transformer

Yes the one without the transformer is more expensive for some reason.

The boards are on the top of the oven, I was able to pull out the oven about 75% of the way out of the cabinet and easily get to the boards. Just unplugged the connections and plugged them into the new board.

To get the oven out there are two small screws that go into brackets inside the top oven door. Highly recommend taking the doors off the oven to pull it out, much easier to work with.

NOTE: On my old board I noticed one solder joint that was burned out and I since I already had the new board I just replaced but you might want to check that first and see if just a solder fix gets you working again before you spend $$ on a new board.

Jun 30, 2008 | Frigidaire 30 in. Electric Gallery Series...

1 Answer

Whirlpool oven issue


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.

Oct 26, 2007 | Whirlpool RBS305PDS Electric Single Oven

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