Question about Teledyne Laars Laars Lite 2 Pool Heater 325,000 Btu / Natural Gas

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Pilot comes on but no gas flow.

The pilot glows followed by a loud click but no ignition because there is no gas flow. (Outside Gas valve is on) . Pilot goes off and another click sound. This cycle repeats.

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Hello. you need to replace the thermocouple which is a safety device that turns the gas on and off. Joe

please rate my answer as very helpful. Thanks.

Posted on May 01, 2010

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My furnace will not ignite


If it has a glowing igniter, that must mean it is a Gas furnace?-- LP or Natural Gas?-- We need to establish a few things like:
1.) Is there a good supply of Gas?
2.). When the Igniter starts to glow, can you hear a gas valve click'?- and then is there a small flow of Pilot gas? (over the area where the burners will need to flow gas-- so the gas in the burner tubes can be ignited safely.)
3.) There is a circuit somewhere in there, that detects that you have established FLAME-- (Usually a 'flame rod' that allows the main gas valve to open.) Can you see the 'pilot flame' touching that rod? A very small electric current is actually conducted thru the flame, -- completing the circuit that allows the safety circuit to go to the next step, before it opens the main gas valve.)
These things have to exist, before the safety circuitry allows the main gas valve to open.
Tell us more, what you observe, as you try to start it again.
Mack B

Nov 29, 2016 | Heating & Cooling

1 Answer

Napoleon Fireplace propane Pilot won't light main burner even though gas flows in?


  • I'm going to assume your fireplace has a pilot light.
  • Follow the little holes in the burner that lead to the pilot light.
  • Make sure the pilot flame is pointing directly at the closest burner hole. (adjust if necessary).
  • Often, you will need to sprinkle a layer of "glowing embers" in this area. The embers will help the gas travel to the pilot light and ignite.
  • Always start your propane appliance on "High" never "Low". Cold propane likes to drop to the bottom of the firebox and accumulate until it reaches the pilot (this is called delayed ignition). Keeping it on "high" will help the fuel travel over to the pilot without buildup.

Jan 21, 2013 | Napoleon 36" Zero Clearance Top/Rear Vent...

1 Answer

I have a Maytag gas over/stove, Model number MGR5755QDW. The broiler heats, but the oven does not. What are the possible causes and how do I troubleshoot?


If you are having problems with the oven, the first thing to do is figure out if you have a pilot light system or a glow bar system.
Problems with the pilot light system.....The flame has gone out, re-light the pilot. The pilot flame will not light - possible oven control is not sending gas for the pilot light. The pilot light works but no main burner ignition - possible pilot assembly is dirty and the pilot flame is too small, safety valve and thermocouple is faulty, the bulb from the safety valve is out of position and the pilot flame is not touching the thermocouple bulb. Some ranges use a standing pilot light ( small flame is on all the time ) while others use an spark ignition to light the pilot light flame and the pilot light flame heats up the thermocouple bulb to allow the main gas to flow through the oven burner.
The flame needs to heat the bulb up enough to tell it to open the gas valve. Several things can go wrong here that keep this from happening:
The pilot flame may not be hot enough, usually because the flame is yellow instead of pure blue or is too small. The cause for this is usually a dirty pilot assembly. The pilot assembly would either need to be cleaned or replaced.The thermocouple bulb may not be positioned properly in the flame. You can't heat the bulb properly if it's not in the pilot flame! The thermocouple bulb needs to be in the upper third of a pure blue pilot flame--that's the hottest part of the flame.
The thermocouple itself may be burned out. It happens. It's a internal part of the gas valve so, no, you can't just change the thermocouple bulb separate from the gas valve.
But when you turn on the oven or the thermostat calls for heat, the pilot flame gets bigger and jumps down so it can heat up the thermocouple bulb. This extra gas to increase the pilot flame size comes from the thermostat.
If the pilot flame jumps upwards or just gets bigger, but doesn't shoot down, then you need to replace the pilot assembly.If the pilot flame size does not increase or jump down when turning on the oven thermostat, then the problem is the thermostat not sending enough gas to the pilot assembly. It's also possible that the pilot gas supply tube has a hole in it somewhere.
One final point on the spark-assisted pilot ignition systems. The spark comes from the spark module--the same module that sends spark to your surface burners to light them up. If you're not getting a spark when you turn the oven on, then there are several possibilities:
There could be a problem with the switch in the thermostat. You can confirm this by doing a simple continuity test of the thermostat contacts. If you don't read zero ohms when you turn the switch on, replace the thermostat.The spark module could be bad. You'll need to measure the voltage at the oven terminals of the spark module when you turn on the oven. If you get 120v but no spark, it's probably a bad spark module. Replace it.
Could be a bad spark wire or broken electrode.
Problems with the glow bar system.....You may even see the orange "glow plug" (called a hot surface igniter) glowing orange and so assume that it's OK. Not necessarily!! You have to measure the current/amp drawn by the igniter and compare it to this repair sheet before you can say it's OK or not. The gas valve has a bi-metal that open when a certain amount of current flows through it to heat it up. The igniter is wired in series with the gas valve. As the igniter gets older or weaker, it's resistance increases to the point where not enough current is flowing to the gas valve bimetal to open it up. As a result, the gas valve never opens up. BTW, a common symptom of the early stages of this problem is erratic temperature control in the oven due to delayed firing of the bake burner while cooking.
The hot surface igniter will not come on - check igniter with a ohm meter, you should have continuity through the glow bar, the glow bar can also crack = new igniter time. The glow bar comes on but the main burner will not light - you should have an amp probe to check properly, but often this is a hot surface igniter problem. The hot surface igniter often looses it's ability to get hot enough to open the gas safety valve. The safety valve can fail, but most times it is just a bad hot surface igniter. The hot surface igniter can also quit part way through cooking , in other words the oven may cycle a couple of times and then it just sits there with the red glow from the igniter. See this service sheet for the proper way and amp readings for the hot surface igniter system. Hot surface igniters do weaken and will eventually generate less heat than they normally could. When this happens they can still allow marginally correct current to flow to the oven gas valve for it to open but not get quite hot enough to ignite the gas burner immediately. When this happens, gas released into the oven can sometimes build up to the point where when finally ignited, the amount of gas lit can cause a small explosion inside the oven or cause an odor of gas with out the oven working. Yes, your glow bar igniter can glow orange-red and still be bad!! How a common gas valve works -click here.
You can get required parts from www.repairclinic.com
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

Jan 26, 2010 | Kitchen Ranges

1 Answer

I have a Frigidaire gas range, model #FGF316BSA. When I attempt to operate the oven it won't light. The glow bar comes on but nothing happens after that.


Hi


Thanks for using FixYa. From what you have described it seems that possible oven control is not sending gas for the pilot light. The pilot light works but no main burner ignition - possible pilot assembly is dirty and the pilot flame is too small, safety valve and thermocouple is faulty, the bulb from the safety valve is out of position and the pilot flame is not touching the thermocouple bulb. Some ranges use a standing pilot light ( small flame is on all the time ) while others use an spark ignition to light the pilot light flame and the pilot light flame heats up the thermocouple bulb to allow the main gas to flow through the oven burner.


Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Jan 15, 2010 | Kitchen Ranges

1 Answer

Gas Furnace Will not light


Hi, normally when you turn the gas off at the flex line valve and leave it off for awhile, the gas has to clear the gas valve and lines up to the pilot. Purge its self of air before it will light again. It will take the electronic ignition several clicks and more before there is enough gas to light the pilot and then open the main gas valve to fire the burners. Tell me, what kind of gas furnace is this when you speak of water? you say the site glass was full and you had to drain it and then the ignitor kept on clicking when it normally only took one click to light it. Please let me know the style as in a split system, a package unit, all in one, or what you have. I will wait to hear back from you. If the pilot does not light right away, then yes let it continue to click and see if it will light. On a heater with the electronic ignition control module on it or a circuit board, this is what tells the pilot coil to energize to light the pilot. It will send power to the pilot coil to open and let gas through to light and same for the main gas valve, will get a signal to open when the pilot is on. It will not open unless the pilot is lite for saftey. I will wait for you're responce.
Shastalaker7

Nov 27, 2009 | Honeywell CT87B ROUND HEATING&COOLING...

1 Answer

GE DRYER DDG7288- Not getting hot. No flame. Is there normally pilot flame? How is ignition reached?


There is not a pilot flame. These dryers use a glow bar igniter. As they heat up, there resistance to electricity changes, which in turn causes the amperage use to change. When the amperage use reaches a certain level, the gas valve opens and the gas ignites when it contacts the orange hot igniter. (30 to 90 seconds or so) Then, if the flame sensor detects a flame, you are good to go. If not, gas is shut down. Make sure you have a good strong flow of air out the outside vent pipe. If so, the igniter is the most likely culprit. It is located at the begining of the cumbustion chamber, about six inches or so from the gas valve.

Oct 26, 2009 | GE Dryers

1 Answer

Does it have a pilot light? the flame does not come on anymore


Gas dryers do not have a pilot light. They usually use a glow-bar type igniter which is located on the burner assembly. It usually takes about 30-90 seconds for the gas to ignite on these dryers. The reason for the delay is because the burner assembly is equipped with a gas safety valve that prevents free flowing gas from entering the appliance cabinet without ignition. The following link explains:

http://www.fixya.com/support/r401858-replacing_oven_igniter_gas_range

The link is for a gas range, but the principle of operation and the type of igniters used is still the same. The igniter is the more common failure when it comes to gas ignition problems. More than likely you have an igniter that has become weak and needs to be replaced. Just because an igniter glows, does not mean it is good. It should only take about 90 seconds or less for the oven to ignite. If you've been experiencing longer ignition times, this could be the case.

Read through the link provided and let me know if you have any questions. Please post a complete brand name and model number as this will help in providing directions on how to access the dryer interior. I hope this helps you solve your problem.

Jun 21, 2009 | Dryers

1 Answer

How do you light pilot light?


Dryer does not have pilot light.  There is an ignitor that glows when the dryer is started and lights the flame when the gas begins to flow.  With the front of the dryer off start it up and look for the glow. when it glows hot enough (or on a newer model it might be a spark) the gas should ignite.  When the flame sensor sees that the gas is ignited it shuts off the ignitor and keeps the gas valve open until the temperature sensor gets high and shuts it off.  When the temp sensor cools down the cycle repeats.
If no glow or spark-->bad ignitor If no gas flow-->bad flame sensor or bad gas valve coil If gas comes on and goes off quickly-->lint filter and/or vent pipe or outlet may be clogged or bad flame sensor.

May 29, 2009 | Whirlpool Dryers

2 Answers

Burners work,Broiler works but oven does not preheat


If everything works on your range, but the oven, the most likely culprit is the igniter for the BAKE manifold. What is confusing me, though is the statement in your question where you say the "oven will light up, but never get hot". Yet, you say the oven does not ignite. Can you clarify this? In some ovens the BAKE and BROIL manifolds BOTH light when preheating, to reduce the warm up time. Once the desired temperature is reached the manifold not in use, will shut off.

In any case, on a gas range, the burners for the BAKE and BROIL manifolds use an electric glow bar type igniter. There's a separate igniter for EACH burner. When you make a bake or broil selection on your oven control, the respective igniter begins to glow. After the igniter reaches a certain current potential, the gas safety valve is opened, gas flows to the manifold, and voila! You have ignition. It can take as long as 90 seconds for the burner to ignite. What can happen over time, is the igniter becomes weak or fails. If the igniter becomes weak, it will still glow, but it never reaches the desired current potential to open the gas safety valve. The result: you end up with an igniter glowing with no ignition. And, if you're like me, you're left scratching your head wondering why the thing isn't working when it "looks" like it is. You can easily tell if the igniter is working by opening your oven door and selecting bake. Watch the oven pan in the bottom of the oven. You should see an orange glow coming from under it. It here's no glow at all, the igniter has probably failed. If there IS a glow, a current reading will tell if it's within tolerance. The following link explains more on these igniters and how to replace one:

http://www.fixya.com/support/r401858-replacing_oven_igniter_gas_range

The bake igniter is a common fail item as it gets used more frequently than the broil function. On your range both igniters are interchangeable. You can purchase replacements on line at searspartsdirect.com, repairclinic.com, or appliancepartspros.com. The part number is WB2X9154. Shop all three sites for the best price.

I hope this helps you. If my assessment of your symptoms is wrong, or if you need further assistance, please let me know.

Jan 15, 2009 | Hotpoint RGB745 Gas Kitchen Range

1 Answer

Kenmore ddryer 11072812101


Your dryer does not have a pilot. The dryer has an igniter on the burner assembly. When you push the start button, the igniter begins to glow. Once it reaches a certain current potential, the gas valve is opened, gas flows and you have ignition. This is a a built in safety feature of the burner assembly that prevents free flow of gas without ignition. Without it, you could have a build up of gas inside the dryer cabinet followed by the loud "phoooom!' of an explosion when it finally DOES ignite. More commonly the igniter either fails to where it does not glow, or becomes weak and will not produce the required current to open the gas valve. The following link explains a little theory about glow bar type igniters and what their current potential should be:

http://www.fixya.com/support/r401858-replacing_oven_igniter_gas_range

I know the link is for a gas range, but the igniters in some of these appliances are identical and the theory is the same.

Another cause of an ignition failure are bad gas valve coils. There are two of them on your burner assembly. It is recommended that if one fails, you replace BOTH of them at the same time. If you go to searspartsdirect.com and type in the model number you provided, there's an excellent exploded view diagram of your burner assembly and parts. The igniter is listed as item number 4 (part #279311) and the safety valve coils are items number 13 (part #694540) and item 14 (694539).

If you can view inside your dryer under the drum, you should see an orange glow as the igniter comes on. If you do not see the glow, or if the igniter glows and there's no ignition after 90 seconds, I would recommend replacing the igniter. If the dryer ignites, then shuts off after a short period of time and will not reignite, you may have a bad coil (you may hear a rattling sound too).

I hope you find this information helpful. Let me know if you require additional assistance.

Sep 26, 2008 | Dryers

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