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Pilot lites when I turn to on burner lites the pilot goes out flame drops down and goes out

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  • Paul Hughes Feb 10, 2012

    this is a radiant flame heater model rfp30ta

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  • Heating & Co... Master
  • 2,557 Answers

Try cleaning the pilot out sounds like flame is too small and when main burne rlights it takes gas away from pilot .

Clean pilot try blowing it out with can of air or with air line carefully .

Posted on Feb 11, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 48 Answers

SOURCE: heater burns for a while then it goes off and pops and the pilot go out

Hi again,
-perhaps you have resolved your issue, which is why you have not responded to my questions...this is great if it is true, but just incase I will attempt to answer it anyway

-the pilot does not require much fuel to maintain (more than you think..when you look at the summer bills)
-when the thermostat calls for the burner to fire, it opens the valve and the fuel SHOULD flow
-when insufficient fuel is provided, the increased demand actually causes the burner to extinish itself, which results in the valve automatically closing (safety feature)

Solution 1
-if the fuel is liquid (i.e. heating oil) there will be a filter which is likely the cause of the lack of fuel delivery....this is a $15 filter...available at many hardware stores..or even you fuel supplier
-the process is simple.

  1. ..TURN OFF THE FUEL (above/b4 filter)...
  2. spin off the filter...replace with the new one
  3. open the valve...bleed the system (don't screw the housing tight...let the fuel push the air out...ie. wait until the fuel spurts out the filter screws (this can be sorta messy)
  4. tighten filter...tada!
  5. if it works temporarily...then repeats the 'pop...goes out' then you still have air in the line
  6. if you followed the above steps 1-5...then we know it between filter and burner
  7. look at the bottom of the burner for the bleeder valve/screw...similar to car brake bleeder screw or a 1/2inch valve
  8. use a wrench...1/4 to loosen (have small bucket handy to collect fuel
  9. press & HOLD the red button to fire (note the fuel will now be pumped out the bleeder valve)
  10. wait a second or 2 for the 'stream' of fuel to be solid (ie. no bubbles in it)
  11. then tightten the valve the 1/4 turn...and release
  12. occassially you have to repeat this process a few times depending upon the length of fuel line
PLEASE BE CAREFUL....while the above is technically not difficult..you are dealing with a somewhat flamable liquid...(a bucket of fuel oil is actually difficult to light)...the 1st time is a steep learning curve...but after that you can do it in your sleep :)

if you are uncomfortable at all...then call a fuel burner technician...please!
Remember....anything other than a FIX-YA will lower my rating...so please if you have any other questions....ask....if not...then FIX-YA
bearb

Posted on Nov 13, 2008

cinderella_3
  • 4 Answers

SOURCE: Flame goes out Monessen Ventless fire place Model DLX24.

take a needle and put it into the end of the gas pilot hole. Wiggle it around in there, it just might have dust build up in there. Hope this helps ya.

Posted on Jan 17, 2009

  • 1 Answer

SOURCE: laars lite 2 pool heater burner not lite

ive got the same problem and am fitting a new thermal generator i will let you know if it works

Posted on Feb 28, 2009

  • 139 Answers

SOURCE: Pool Heater Light main burner then goes out

take millivolt reads while main burner is on.i suspect you will see a drop in voltage until you get to point where it will no longer operate burner(around 200mv).if this is the case you probably have poor pilot characteristics due to dirty pilot,pilot out of adjustment ,obstruction or insufficient gas pressure

Posted on Jun 21, 2009

FunnyPlumber
  • 43 Answers

SOURCE: Laars Lite 2 Gas-Pilot stays on, but main burner shuts off 10 min

A polit generator produces about 750 MV without a load. Under load it will drop to about 200-250 MV. If the system is working don't worry about it. If the system is not working replace the pilot generator and retest. Pilot generators usually go bad slowly.

Posted on Jun 23, 2009

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2 Answers

PILOT LIGHT COMES ON BUT WHEN YOU TURN THE KNOB TO ON IT DOES NOT LIGHT UP THE CIRCLE PLATE IN THE HEATER. IT JUMPS AND THE FIRE COMES OUT THEN IT GOES OUT.


I'm not sure what unit you are troubleshooting but if the main burner is igniting and that main burner flame is blowing out the pilot flame, it's possible the pilot flame orifice needs to be cleaned. The orifice can get stopped up and produce a weak pilot. And I've seen a pilot lite, but be blown out by the combustion of the main burner igniting. Now you stated IT JUMPS. If you mean the pilot flame jumps, as if it gets large then weak and goes out, then the gas valve is giving you trouble and may need to be replaced.

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Slant fin boiler galaxy natural gas, pump starts and runs. Igniter comes on . Pilot lights. Burner lights. Runs for seconds. Burn shuts down. Igniter starts pilot light, pilot goes out and on and on


The flame sensor, which is located in front of one of the burner flames is probably oxidized and needs cleaning or replacement. If the unit can't "sense" the flame, it will continue to cycle.

Jan 22, 2017 | Slant Fin Heating & Cooling

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Why does burners and pilot forced off after burners are engaged


We get asked this question many times.

If you light your pilot light, hold in the button and then when you release it and the pilot light goes out, generally you need a new thermocouple. Gas repairs can only be undertaken by a qualified gas technician so you can't do this job yourself.

The thermocouple is a safety device that recognises that the pilot has a good flame and is enough to ignite the main burners. The thermocouple open that valve to the burner.

In limited circumstances the thermocouple doesn't need replacing, either the shield that aims the flame to the thermocouple has become dislodged, or the pilot jet is a little blocked by debris. Either way, having the appliance serviced by a qualified gas fitter is the way to go. I am sure you will have seen news stories about explosions caused by gas leaks and faulty appliances.

Jan 18, 2016 | Procom Heating & Cooling

1 Answer

Heater pilot wont stay lite when youn let off the pilot button the flame goes out


First make sure the flame is at least 1 inch high and hitting the pilot generator (a metal tube about round as a pencil and 3 inches long with 2 wires coming from it to the gas valve). If there is not a good flame, then the burner tray needs to be removed and you need to use a paper clip and clean out the hole on pilot generator. Spiders like to make a nice web in that small hole.Reconnect burner tray and light again. If there is a good flame, the next step will take 2 people and a multi meter. while one person holds down the button on the gas valve to keep the pilot lit, the other person turn the multi meter on and set it to the millivolt setting. Take the 2 leads and touch them to the end of the two wires that come from the pilot generator to the gas valve after holding down the button for one minute with pilot lit, test the millivolts, if the reading is not at least 400 millivolts, then the pilot generator needes to be replaced.

Aug 29, 2011 | Pentair Pool & Spa

1 Answer

Pilot light goes out when gas turned on


I am assuming that you are saying that after you have pushed the pilot knob down and the pilot lites and stay lite and then you turn the knob to turn it to ON the pilot goes out...... Then the Gas Valve is bad and will have to be replaced....... Or if you are saying that the pilot goes out when the burners come on then you may need to replace the Thermocouple because the main burner flame is pulling the pilot flame off of the thermocouple and it is weak and will shut the gas off.... Or You could have a cracked heat exchanger that when the burners are on and then the blower comes ON and is blowing the flame around and blowing the pilot flame off of the thernocouple......which will shut the gas off....and then you will need a new furnace or New Heat Exchanger...... These are the most common problems Hope this helps.....

Feb 16, 2011 | Heating & Cooling

1 Answer

My pilot lites, but when you turn the control knob to lite burner the pilot goes out. Help! Please


in the flame of the pilot is what they call a thermocouple you will have to remove this and clean it if that dont work you need to replace it they sell that at the hardware stores

Dec 16, 2010 | Heating & Cooling

1 Answer

Will lite but goes out within a min


Make sure the thermocouples not fully engulfed in flame, it needs to be on;y at the tip end as they operate via temperature differential acrosss the thermocouples surface, if the whole thinfs one temp it drops out electrically(makes 30 millivolts) and the electromagnetically operated pilot safety valve closes, thus stopping the main burners operatin as its sensing no pilot exists. try a new thermocouple, about 15 bucks, and set it as described in pilot flame, if that wont do it, the gas valves bad.

Nov 01, 2010 | Blue Rhino ES200209 Open Flame Gas Patio...

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VN18TB PILOT LITE GOES OUT STAY LITE TILL HEATER COMES ON AFTER THE HEAT RUNS AND TURNS OFF THE PILOT LITE SHUTS OFF NATURAL GAS VANGUARD


Sounds like a weak thermocouple. With the extra heat of the main burner running it can keep the pilot solenoid open...without it it fails shut. Try replacing the thermocouple. (small rod the pilot flame burns against with a skinny copper tube going to gas valve).

Jan 04, 2010 | Heating & Cooling

1 Answer

Pilots lites , holds ok for minutes,but once move


Hello KJGreen, It sounds, based on your description, as though the thermocouple is faulty and should be replaced. If the pilot light stays lit and you've left it on for several minutes before turning the knob on to light the log set, then that indicates that the thermocouple is bad.

The thermocouple is a safety device (heat sensor) designed to stop the flow of gas to the burner in the event the gas flame goes out and the pilot goes out. The sensor will only allow the gas valve to open once it has reached the preset temperature.

To confirm that the thermocouple is defective, I would light the pilot light and allow it to remain lit for up to 10 minutes before I attempted to turn on the log burner. If, after 10 minutes, the log burner still won't stay lit, then you know that the thermocouple needs to be replaced. Otherwise, the burner should light, since after 10 minutes, the sensor should be hot enough to signal the gas valve to open.

If you are going to have this replaced, please make sure you use only an approved supplier, since an incorrect replacement part could cause an unwelcome malfunction of the gas log burner. Safety should be primary when dealing with open flame burners.

Hope you find this Very Helpful and best regards!

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1 Answer

Pilot lites; but, as soon as I turn on gas flame


sounds like your thermacouplar is going out and needs replaced. Sometimes these will act like they are working fine , but when the pilot stays on for awhile and later goes out it is a sure sign that it is bad

Nov 08, 2009 | Procom ML300TBA Heater

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