Question about Miele 23 in. KM360G Gas Cooktop

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Burner ignites but doesn't stay lit

The burner ignites every time, but does not stay on, no matter how long held. This after about 15 months of trouble-free use. I cleaned and dried everything very carefully...

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Re: Burner ignites but doesn't stay lit

The Thermocoupler is faulty or has a bad connection - once the burner is lit, it heats the thermocoupler which then send a small signal to the valve to stay on - at that time you release the knob and the valve stays on ( supplies gas). If you give me a model number, i can get you a part number and price.

Posted on Nov 27, 2008

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Re: Burner ignites but doesn't stay lit

Mpservices - Thank you for the correct diagnosis. Well done!

I had a similar "burner will not stay lit" problem, unil I read mpservices' solution/comment. I realized that of the two pins at the burner base the one in the ceramic insulator is the igniter lead, but the other is the Thermocoupler probe! Closer examination showed my TMC to be cacked with residue (it was the coffe maker burner). An emery cloth cleaning restored proper operation.

Thank you again MPSERVICES!

Posted on Jun 22, 2009

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Re: Burner ignites but doesn't stay lit

Did you check the hose? maybe it has a leakage or pinched..

Posted on Jan 23, 2008

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I have bosch pgl985uc burner problem. The center burner will not stay lit. Seems other have had this problem. I ordered all new thermo-couplers. Installed, since Bosch changed them to a new part number...

If The Burner lights and stays lit as long as the knob is depressed, but goes out after the knob is released then there is a failure with the thermocoupler or the valve itself. The thermocoupler can be tested once removed from the cooktop - as follows
Heat the tip on the thermocoupler with a match or lighter and measure the electrical connection (other end) with a voltmeter - it should read about 15 mV or slightly more with in a few seconds. If no voltage is read then the thermocoupler is faulty and should be replaced.
The valve coil can also be tested for continuity at while the unit is disassembled. If no continuity is found the valve is faulty and should be replaced
The small voltage created from heating the thermocoupler energizes the coil in the valve which in turn keeps the gas turned on while there is heat at the thermocoupler.
Some units actually reignite the burner if the heat is lost and the control knob is in the on position.

Hope this helps ....

Dec 14, 2013 | Bosch PGL985UC 36 in. Gas Cooktop

1 Answer

Gas burner will not stay lit. works fine when pressing knob for igniter function but goes out when knob is released

You have what we call a flame safe device fitted to the burner, (thermocouple lead), have you checked to make sure your flame on the burner is touching the tip of the "probe" on t'couple, if it isn't make sure that the ports on the burner are clear. If this does not solve problem then the thermocouple needs replacing by a Gas Safe engineer.

Oct 25, 2013 | Verona VEFSGG365SS 36" Gas Range with 5...

1 Answer

Igniter works, but the clicking doesn't stop


The electrode (spark plug) for that burner is not telling the spark module the burner is lit and go ahead and turn off the spark. That electrode and the wiring on it need to be replaced,from that burner back to the spark module. I found this place online that sells that part


Aug 11, 2011 | DCS 36 in. CP-364GD Gas Cooktop

1 Answer

The burners light, but it takes an inordinate time for them to stay lit. One of the burners will not stay lit when the knob is released, regardless of how long you depress the knob.

Need a new fsd ( looks like a small brass pencil) for the burner that won't light. The alignment of the ignition electrodes needs looking at and there over all condition I. E broken , worn , misaligned ect

Jul 13, 2011 | Bosch PGL985UC 36 in. Gas Cooktop

1 Answer

I have bosch pgl985uc burner problem. The center burner will not stay lit.

I have the same problem especially with the center burner, but now am having increasing difficulty with two other burners. Those will eventually stay lit if I depress the knob for 20 - 30 seconds. The center burner will not stay lit, even when keeping the knob depressed for 2 - 3 minutes!

Mar 19, 2011 | Bosch PGL985UC 36 in. Gas Cooktop

1 Answer

All 4 electrodes spark when only one is turned on

Electric gas igniters sometimes get stuck in one position causing a clicking sound. The clicking sound that you hear is the electric arc that is pulsing from the igniter conductor (wire) to ground (the gas burner). It receives power from the electrical outlet that the stove is plugged into.
Residue from food and sometimes cleaning products may be preventing the igniter from producing a spark (Arc) to the base of the burner. This is a common problem that occurs when the stove has been cleaned or food is allowed to build up. Make sure that the igniter and the burner base are clean and dry. This will help with proper operation. Oven cleaner and a small tooth brush may be used to accomplish this. Another problem with ignition may occur if you have too little (touching) or too much space between the igniter and the base of the burner; it will prevent the burner from igniting. You should only have a little more space than the thickness of a nickel between the burner base and the igniter. A good "blue" arc from the igniter to the burner base is optimal. If this doesn’t work, you may need to replace the electric igniter module. Good luck.

Jul 20, 2010 | GE 36 in. JGP628 Gas Cooktop

1 Answer

All 4 Igniters keep firing after the burner is lit.

Here is a tip that I wrote that will help figure out why the burner spark keepson clicking...

Gas Range RepairBurners Keep on Clicking


May 02, 2010 | Jenn-Air 34 in. Expressions CVGX2423 Gas...

1 Answer

Burner not lighting

Yes, you need a technician. It could be spark module or spark igniters on each burner.

Dec 15, 2008 | Cooktops

2 Answers

Viking professional 30 inch, sparking problem

If you have replaced the spark module with the new, blue PA020041 Tytronics 0+4 spark module, the physical positions of the leads that go to the burner igniters are reversed compared to the positions on the old, white module. Make sure that the switch wire for the burner and the position of the spark wire both go to the same burner! The positions are marked on the white label with green lettering.

Nov 25, 2008 | Viking 31 in. VGSU101 Gas Cooktop

1 Answer

Burner will not stay lit

Presuming the flame is touching the thermocouple, try putting slightly more pressure on the knob and hold for a few seconds longer. If this doesn't work try going through the same process with the knob removed - if this works you need to put a small piece of packing in the shaft of the knob ( a small piece paper might do). If this fails you need a new thermocouple.

Nov 10, 2007 | Miele 20 in. KM405 Gas Cooktop

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