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Mary duerr Posted on Jun 19, 2019
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Two electric burnings on thermador cooktop not working. Can they be repaired

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Jorgie Navito

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  • Master 357 Answers
  • Posted on Mar 17, 2020
Jorgie Navito
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Joined: Sep 26, 2009
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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 thatregulates 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-meterbut will need to know the correctresistance 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 foroverheated wires or faulty terminals first.Test the switch's contacts for continuity with a multi-meter. If defective, replace the switch.

  1. 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.(Locate the suspect switch for testing. Label all wires and terminals before disconnecting. A close up digital photo may be helpful.
  1. On the burner control switch the terminal labeled "P" leads to the burner indicator light. The terminals labeled "H1" and "H2" lead to the burner element and the terminals labeled "L1" and "L2" (sometimes "N1" and "N2") are the power supply wires.
  1. Set yourmultimeterto ohms setting x1. Turn the burner control to the highest temperature setting. Place one probe on pin "L1" and the second probe on pin "H1". The resistance measurement should be very low, zero to twenty ohms. If the test shows high or infinite resistance, the burner switch is defective.

  1. Repeat the step above for the terminals "L2" and "H2".
  1. If the control passes that test, turn the temperature setting to about the middle of the range and repeat the previous two steps. This will test for an intermittent problem with the switch. If the test does not show continuity with very low resistance, the switch should be replaced.
  1. With the switch turned to the "Off" position, the resistance on each of the pairs of terminals tested above should now show no continuity or a reading of infinite resistance.
  1. A test for continuity between "P" and "L1" when the burner control switch is on should show continuity. The light should be on whenever the control is turned on. If your test shows continuity, but the light does not operate, it is likely the bulb has failed.
If the burner switch shows high or infinite resistance, the switch is not passing along current to the burner and so the switch should be replaced. )

Most modern ovens usean 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.


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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Aug 06, 2008

SOURCE: Electric coils for old Thermador cooktop Model #TMH45

I have a thermador 45 cooktop with all the parts. Do you want to by the whole unit for $50.00.

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Anonymous

  • 338 Answers
  • Posted on Dec 22, 2008

SOURCE: old Thermador cooktop continues to spark even after turned off

sounds like you have a bad switch. maybe on the large burner.. some of those switches can be replaced without the whole harness.

Anonymous

  • 1 Answer
  • Posted on Jan 25, 2009

SOURCE: Cleaning Thermador Cooktop?

To clean the stainless around the star burners try applying Easy-Off oven cleaner around the stars with a Q-tip (spray the cleaner onto the stainless surface first because it's very hard to control the spray output). The cleaner will make your stainless sparkle and the Q-tips allow you to get close enough while controlling the application. Scrub gently with the Q-tip and the stains will disappear within minutes. Wash thoroughly with a wet cloth. I've used this on my older model Thermador stainless cooktop for 5 years.

Anonymous

  • 408 Answers
  • Posted on Mar 04, 2009

SOURCE: Thermador gas cooktop explosion

I would say that pop was one of you igniters.  either that or the stove is not installed correctly and when it gets warm, thermal expansion makes the metal pop.  I would say that I would use caution and discontinue its use.  Most problems with these need to fixed professionally.

Anonymous

  • 10865 Answers
  • Posted on May 07, 2009

SOURCE: natural gas to lp conversion kit for a Thermador GGNCV30 cooktop

Your LP gas provider will get the orifices for you just call them with the model number of your thermador. They have gotten them for me many times.

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