Question about Ducane 30400040 Stainless Steel Grill

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Cannot light new burners

I have just replaced the burners on my three burner ducane but now they will not light. there is gas getting to the burners and the ignition jets it is as if there is too much gas getting to the burners

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  • Jay Glendenning
    Jay Glendenning May 11, 2010

    Will it manually light if you use a match/lighter etc?

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  • Contributor
  • 9 Answers

I just replaced my burners and I also cleaned the starters. Get a wire brush about the size of a tooth brush to clean the starter, the thing that makes the spark to start the flame.

Posted on Jun 26, 2009

  • chivano Jun 26, 2009

    Compare the old burners to the new. Good chance the variable opening is larger than the original. This adjusts the mixture (fuel vs air). Loosen the screw & close the gap. On mine I had to close it as much as possible. Reinstall.

    If the burner is only paritially lit or the flame runs up and down the tube on high but is good on low, you need to close the mixture even further.

    To save time just work on one burner until it is adjusted properly. Then set the others to the same gap size.

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1 Answer

I have a one burner that doesn't ignite - what do I do?


Assuming the igniter to that burner is working properly, the best bet is that the burner is clogged an not getting gas. This will require removing the burner to clean it and the venturi valve (which is part of the burner), as it can become a haven for spiders.

Since removing the burners on a Ducane grill can be a bear to do. I have included a link to your Owner's Manual, in case you have misplaced yours, that you can download and print for future reference. Pay particular attention to the Annual Maintenance section. As it will walk you thru how to remove and clean the burners.

http://help.weber.com/manuals/ducane/2008%20Manuals%20pdf/20529916_030308.pdf

I hope this helps you and thanks for choosing FixYa. Happy Grilling!!

Jul 26, 2011 | Ducane 30400040 Stainless Steel Grill

1 Answer

One burner wont light of the 3


Is the igniter not sparking or is gas not getting to that burner? Have you tried to match light that burner? Those three things is where you start troubleshooting the problem

If the igniter is not sparking, it could be that the igniter is covered with cooking grease or the wire to the igniter has come loose either at the igniter or the igniter module. And simply needs to be reattached (pushed back on).

If the burner won't match light, than it's not getting gas and should be removed and thoroughly cleaned. And while you're at it, remove and clean all the burners and the venturis valves.

Removing the buner burners on a Ducane grill is a bit of a task, so I have included a link to your Owners Manual to assist you. Pay particular attention to the section Annual Maintenance, starting on page # 28.

http://help.weber.com/manuals/ducane/2009%20Manuals%20pdf/Affinity_3100_4100_LP_OwnersManual_27010331_101508.pdf

Hope this helped you troubleshoot and solve the problem. Please let me know and Happy Grilling!!

May 10, 2011 | Ducane Affinity 3100

1 Answer

Burners will not ignite when starter is fired


Are you able to match light the burners? Is there any gas getting to the burners?
Please advise by clicking on the comments link.

Mar 22, 2011 | Ducane Grilling

1 Answer

Some of my burners will not lite...i see a small spark. It will light if i use a lighter. what part will solve the issue?


There is likely a buildup of crud inside of the gas unit - this can best be cleared with a toothpick poked into the gas jet holes - specifically the holes in front of the igniter. It is also likely the igniter is sparking, but not enough to light up the gas. Theoretically, very little spark is needed to light propane - but I think we've both seen that as not such a practical theory!! If cleaning out the holes ( I would also remove the burner and shake out the crud ) doesn't work, then I would consider replacing the igniter. It is not difficult to replace and your local BBQ store should have igniters in stock. Take the old igniter with you to match it up, to be sure you get the right configuration for your Q. Best of luck in this and Merry Christmas - AND thanks for using Fixya!!

Dec 16, 2010 | Ducane 30400040 Stainless Steel Grill

1 Answer

Does conversion from LP gs to Natural gas on Ducane 30400040 (essentially makes it a model 30400041) require changing the inlet orofice on the IR burner ? I purchased conversion kit that included all new...


Did the conversion kit give you an LP orifice for every new gas valve? LP gas orifices have smaller holes than Nat gas orifices. Can you smell gas when you turn on the IR burner by itself? Some burners styles have an air adjustment on the end that fits over the orifice. Make sure it's getting enough air. Also make sure your ignitor sparker is positioned where the spark can ark against the top of the burner. Ducane grills have rotary ignitors, so turn it (with gas off) and see if you can actually see where it's sparking. If it's not sparking in the right place, it will be difficult to light.

May 14, 2010 | Ducane 30400040 Stainless Steel Grill

1 Answer

Burner will not stay lit


try to replace the regulator on the grill

Mar 20, 2010 | Ducane 30400042 (LP)

1 Answer

I hope that I can get this problem resolved. Can there be a thread started to help me through this? I will try to keep this as short as possible, I have a Ducane Mod. CMPB050C3A Nat. gas furnace. The...


say that you have the glow bar (Hot surface igniter) working
if the flame starts make sure you don't trash on the orifice of the burner, you can try to use a piece of wire or someting small to pick on the orifice of the burner, also make sure is not rust bewteen the burners gap where the flame spread to all the burners because if the flame sensor don't feel flame don't stay light up
hopes this help

Oct 09, 2009 | Heating & Cooling

1 Answer

One burner on the Ducane gas grill lights only weakly. Gas is coming through but only some of the holes ignite. The other side is uniformly lit, but the flame only goes maybe 1/4" high. Clues?


try opening the tank really slowly. the tank has an overfill protection devise built inside and if it is opened too quickly it can restrict the gas flow to the burners. hope this helps.

Sep 14, 2009 | Ducane Grilling

2 Answers

I get an ignite but my burners wont light. I have


did you try replacing the battery? it is inside the ignitor button.

Aug 04, 2009 | Ducane 30400042 (LP)

1 Answer

Lighting Problem/2 year-Old Ducane Grill


Do you have enough gas pressure coming out of the regulator and gas valve? You'll need a pressure guage for this.

If yes, try taking out the burners and cleaning them with a wire brush, especially the flame spreading sections.

Sep 15, 2008 | Ducane 30400040 Stainless Steel Grill

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