Question about Thermador 37 in. SGSX365 Gas Cooktop

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I have the star burner model, w/ extra-low simmer. The center burner will not light at all by itself. The right rear burner will self-ignite if you turn it to low, and then slowly rotate the knob clockwise to about half way. It will turn off on low & not stay on at all. (Note extra-lo burners are to the left on this model). I've taken the top down, cleaning the burner caps and the ignitors - using q-tips and ammonia on the ignitor caps. Also, the red light indicator has fallen thru (Again!) and I would like to fix that, as well. I cannot afford to lose time from work to meet the repairman for these periodic, but chronic problems. Is there any of this I can do myself & how?

Posted by Anonymous on

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Center burner won't light: If there is a bright spark (check all ignitor points at night with the lights out and look for consistent brightness of the sparks) then it's likely that the burner slots are dirty or the air/gas mix is wrong. If you can light with a match, but the spark won't light, then go for cleaning the entire burner assembly thoroughly with a brass bristle brush (available at most automotive stores). The proper air/gas mix has to flow over the spark to ignite. Weak spark, improper air/gas or misdirected gas flow that misses the spark can all cause this issue.

RR burner lights only on low setting. Again, check the air gas mix and clean all parts. Something like a small spider web inside the air mix chamber (area between the orifice and the burner can cause this and is difficult to see. Disassemble, clean thoroughly, reassemble and test. Extra low simmer burners (two on the left side) use their own control module with electric gas valves and variable electric control switches. The burner works on low, so these are not likely the problem.

Most folks want to find a bad part, and that can happen, but stove tops get dirty and cleaning usually helps. If not, you have a clean top to work on.

The indicator lens and/or the retainer are either broken or the retainer is missing. It's best to replace these as they are not expensive. When the top is off while cleaning is an perfect time to replace the lens.

Posted on May 04, 2017

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Posted on Jan 02, 2017

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textonor
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SOURCE: Thermadore gas stove top - left 2 burners won't light

Either the potentiors or the simmer control.

Posted on Jan 06, 2008

  • 619 Answers

SOURCE: burner won't light

Clean the gas nozzle w/small wire are located at the back of the gas cook top /shut off the gas clean small gas nozzle clog / w moisture /rust dust and any foreing material.

Posted on Jan 10, 2008

  • 116 Answers

SOURCE: Thermador SGS304 Ignitor does not spark

Hey Frust1
check that the particular burner is properly "grounded" see that no "dirt" is between burner and frame. Also ensure that the insulation on the wire from the igniter unit to the probe at the burner is not damaged.

Regards


Posted on Sep 04, 2008

  • 2 Answers

SOURCE: Ignitors Continue to Spark

Turn the knob back towards off about 1/8 of a turn and you will take it off lite and it should fix it.

Posted on Oct 10, 2008

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1 Answer

Why want middle burner light automatically but will light with a lighter


That unit is suppose to have electronic quartz igniters. Apparently there's a problem but it doesn't automatically mean the igniter needs to be replaced. If you see a spark from the igniter then it's fine. If you see a spark but no flame then the ignition process is out of synchronization. In other words, the gas hasn't concentrated near the spark enough to ignite. This may be a matter of low gas pressure or the extra length the gas needs to flow to reach the center burner is impeding ignition. Simple fix is turn the knob just enough to start the gas for 2 seconds then continue the turn to click the igniter. or simply use a match. You may also see if there are any adjustments on the gas manifold that will enhance bringing more gas to the center burner quicker. Some unit have one click & that's it, others click the igniter continuously until you release turning the knob. Good luck. you'll figure it out.

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Hello Sharon,
are the two left hand burners "simmer burners" that low come on and go off to simmer a pot?
and the right side just set on and turn off without the simmer option?

if yes this pretty much describes your cooktop the part called the potentiometer is going the be the problem.

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1 Answer

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1 Answer

We have a Thermador SGC365R which was installed in 2000. The center two burners (extraLow burners) have never worked, but we had no authorized repair people in our area so they never got fixed. An...


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1 Answer

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I'm dealing with this same problem. This cooktop has a dedicated simmer burner which is the only thing going on the lowest setting. This simmer burner seems to be how the igniter senses that it can stop. If it doesn't light, the igniter keeps clicking. Usually cleaning the burner will solve this. You may need to unscrew the nut holding the lower piece of the burner in place in order to clean it up.
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2 Answers

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1 Answer

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