Question about Coleman LG40811E Grill

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The grill will not light.

The first burner, if started with a match will light but only faintly and then blow out. We have tried several tanks with same result. Is it the connection between the tank and burner?

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Hello, here is a check list for your most common gas grill lighting problems. Maybe one will help.

1) Check your tank. Is it empty or nearly empty? The tare weight (T.W.) of your cylinder is stamped on the collar. This is the weight of your empty cylinder, usually around 18 lbs. Weigh it on your bathroom scaleThe grill will not light. - 2_bing.gif. Propane weighs 4.25 lbs/gal. If it weighs around 20 lbs or less - Refill it. If not, go to #2.

2) Make sure you didn't turn the gas tank valve on too fast. Some gas hoses have a built-in excess flow valve that stops the flow of gas to a trickle if opened too fast. Close the tank valve and let sit for a few minutes. Or just disconnect it and reconnect it. Turn the tank valve very slowly and then try lighting it again. If it doesn't help, go to #3.

3) Is the igniter sparking? Some are battery2_bing.gif powered-check the battery or replace it. If you have a standard push button piezzo igniter or a rotary style2_bing.gif igniter, check for spark. Can you hear or see the spark? It's hard to see the spark in bright daylight. It's easier to view the spark at dusk or dawn. It should spark an "arc" at the burner. If not, adjust it if necessary. The igniter wire may have a short, causing the spark to arc somewhere else along the wire and not at the burner. Replace igniter wire. It's also possible the igniter tip where it sparks has a cracked or broken porcelain portion of the igniter, causing the spark to not arc at the tip where it's supposed to. Replace the igniter piece. If not, go to #4.

4) You may have a rusted, clogged or damaged burner or venturi tube. With a flashlight, check for spider webs, wasp nests or dirt (mud) dauber nests in the opening of the venturi tube where it connects at each gas valve orifice. Clean it out manually or blow it out with air compressor. Make sure the air adjustment opening (on the end of the burner's venturi tube) has not been changed. If it's closed too much, it will be difficult to light and cause lazy yellow flames. If it's not clogged, the burner may just be old and rusted and the burner holes are not allowing very much gas through anymore. It's also possible the burner has rusted so bad, the burner holes have been enlarged, it is falling apart or has cracks along the burner seams. If so, replace the burner(s) immediately. It is unsafe to use. Your local propane co can usually order the parts you need and some will even do the work, if you are uncomfortable doing it yourself. Bring with you the Make, Model and Serial number of the grill, so they can order the correct parts for your specific grill. Also specify whether it's natural gas2_bing.gif or propane.

5) If none of these resolve the issues you are having, it is also possible you have a faulty or defective regulator, which may mean replacement. If the pressure still seems too low and none of the above has helped, and you have a silver/gray regulator; many have an adjustment screw on the top center of the diaphragm. Remove the outer cap and turn the inside screw clockwise in 1/4 turns to increase the pressure until the desired flame size is accomplished. Flames should be as blue as possible, but will burn orange if there is food or drippings on it. Yellow flames are not good, and will soot up everything and not cook as hot as blue flames do. Yellow flames could mean you do not have the right air shutter adjustment, clogged burners, or possibly defective burners, as mentioned above in #4.

6) Also make sure you have the hose connection tightened snugly to the propane tank valve to ensure the inner valve seat is fully depressed allowing gas to exit fully without any restriction. The black plastic female fitting should be hand tightened only. Older versions that use a left-hand male brass POL valve, requires a 7/8 open end wrench or adjustable wrench to tighten.

Hope this helps! Good luck in your trouble shooting! Douglas

Posted on May 28, 2010

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1 Answer

We just used the grill the other night went out to cook tonight will not ignite ....I can hear the gas so that is not it ...any suggestions? I am newby at all this but have been doing fine .....


Are you saying the ignitor won't light the burner(s), but you can hear gas going thru the burners?
If that's the case, try match lighting the burners. That's a good way to find out if you are really getting enough gas for combustion.

If after match lighting it, you find that burner flames remain low, even when they're turned to High. Here's what you need to do:

1. Turn the gas tank valve OFF.
2. Disconnect the hose from the tank and wait 5 minutes.
3. Reconnect the hose to the tank and open the tank valve VERY, VERY SLOWLY (Slow Motion,
slow).
4. Once the tank valve is fully open, try lighting the burner farthest away from the tank first and turn
it to High. Did the burner light and the flame height looks normal? If so, light the remaining
burner(s) the same way. Do all the flame heights look normal? If so, you solved the problem.

Remember to always turn the tank valve ON Very, Very Slowly.

Hope this helped you to troubleshoot and solve the problem. Pleas let me know and Happy Grilling, Newby!!

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1 Answer

Gas grill wont lite manuallly


Do you mean it won't match light or the ignitor won't spark and light the burners? Or both?

If it won't match light or the ignitor sparks, but the burners don't light, that means you're not getting gas to the burners.

Check to the tank valve and make sure it's turned ON. Also, make sure that there's gas in the tank.
If both of those check out as OK, turn the gas tank valve OFF. Disconnect the hose from the tank and wait 5 minutes. Reconnect the hose to the tank and turn the tank valve ON VERY, VERY SLOWLY (Slow motion, slow). Once the valve is fully open, light the burner farthest from the tank first and turn it to HIGH. Did the burner light and the flame height looks correct? If so, light the remaining burners following the same procedure. Now, are they all lit and the flames heights look correct? If so, you solve the problem. Just remember to always open the tank valve very, very slowly.

if the burners failed to light. Remove and clean all the burners, as well as the venturi valve on the open of each burner. Spiders like to build nest in the venturi valves.

if cleaning the burners did not solve the problem, you will need to replace the grill's hose/regulator assembly. You can find it in any home center or hardware store that sells gas grills and accessories, for about $30.00. Take you old one with you for comparison purposes.

Hope this helped you troubleshoot and solve the problem. Please be kind enough to let me know. Thanks and Happy grilling!!

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Brinkman gas grill won't start. Don't hear clicking sound. Hooked up new gas tank, but no success


Victor, are you sure you're getting gas to the burners after installing the new tank? You can try match lighting them to make sure. But, I suspect, that it's the installation of the new tank, that's causing the problem.

To test my theory, tune the tank valve OFF and disconnect the hose from the tank. Wait 5 minutes and reconnect the hose to the tank. Ope the tank valve VERY, VERY SLOWLY (Slow motion, slow). Once the valve is fully open, try lighting the burner that's farthest from the tank first and turn it to high. Did the burner light and does the flame height look correct? If so, light the remaining 3 main burners the same way. Did those burners light and the flame heights looks correct? If, so you solved the problem. Remember to always turn the tank valve ON VERY, VERY SLOWLY.

Hope this helped you solve the problem. Happy Grilling.

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1 Answer

Hi, my grill will not start. I press the ignitor button and I can hear the clicking which sounds like it's coming from the side burner area not the main burners. No lighting though, any ideas? I replaced...


Ronald, I doubt that the gas regulator has much to do with this problem, unless the tank valve is turned OFF or the gas tank is empty Have you tried match lighting the burners, to determine if you're getting gas to them? Also, check the spark ignitors at each burned for a grease build up. using a cotton ball and alcohol clean each ignitor tip.

If you've checked all of the above and you're now getting a spark at each burner, but little or no gas to the main burners, do the following:

Turn the tank valve OFF and disconnect the hose from the tank. Wait 5 minutes and reconnect the hose to the tank. Turn the tank valve ON VERY, VERY SLOWLY (slow motion, slow). Once the tank valve is fully open, light the burner farthest from the tank first and turn the burner to the highest setting. Does the flame height look correct? If so, light the remaining burner(s) the same way. Does their flame height look correct? If so, you solved the problem. Remember to always turn the tank valve ON very, very slowly.

Happy Grilling!!

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My first question ... Is gas getting to the burners? Have you tried match lighting the burners with any success? If "NO" to both, if you're using bottled propane for fuel, is the tank empty or not turned ON?

If the tank has adequate gas, turn the tank valve OFF and disconnect the hose from the tank. Wait 5 minutes and reconnect the hose to the tank. Turn the tank valve ON, VERY, VERY SLOWLY (Slow motion, slow) until the valve is full open. Turn on and attempt to light the burner farthest from the tank. If it lights, turn it up to high and light the remaining burners the same way. If everything has returned to normal, you've solved the problem. Just remember to always turn the Tank Valve ON, VERY, VERY Slowly.

If that didn't solve the problem, did you have to remove the piezo ignitors when your replaced the burners. If so, the ignitors need adjusting, so that they are closer to the burner(s)

And, finally, if all of the above fails to solve the problem, you'll need to replace the grill hose/regulator assembly, as the regulator is permanently locked up. If you purchased the grill from Lowe's, you can get the whole assembly from them. Make sure you take the old one with you, so that you can match it up with the new one.

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  3. you are looking for a valve or connection that is clogged. if gas escapes from the tank the reconnect the tank and check at each connection.
  4. if all connections are complete and functional, your problem may be at the burner itself. Using a push pin, **** the holes in the burner, paying attention to the amount of greasy build up.
  5. If the level of build up is severe, remove the burners completely and soak them in a tub of concentrated dish soap and warm water. DO not use hot or cold water.
  6. remember to shut the tank valve off in between each test cycle.
  7. a clean grill is the key to keeping it functioning properly,
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Best regards, --W/D-- please feel free to rete this solution! Thanx!

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