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Pilot stays lite but burner won't ignite - Desa International Blower Glow Warm Wall Heater

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To be certian of what is wrong I would need more information about yoru cituation. Although I suspect either your ignitor is not working or your control board is not providing voltage to it.

Posted on Feb 17, 2009

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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 Heaters

1 Answer

The pilot light will only stay lit when you hold the pilot reset button in, as soon as you let the button out the pilot light goes out and the actual burners never come on. Any ideas?


Gas line is clogged if your pilot lite goes out - They got rid of pilot stoves because the pilot was always lit and using gas.

And without a lit pilot no way you can get the burner to ignite unless you use a match, assuming you have gas going to the burner!

Nov 08, 2015 | Heaters

1 Answer

Fireplace burner won't stay on


try cleaning the pilot sounds like its a short pilot and when the burner comes on it pulls the gas from the pilot light .

Feb 22, 2013 | Heaters

1 Answer

I changed the thermo coupler and the pilot light does stay lit but the burners won't light


If you are referring to a gas fireplace:

  • Make sure the pilot knob is turned from "pilot" to "ON" or it will never run.
  • If the pilot knob is "ON", and the pilot is lit, but the burner won't light, it could be a bad Thermopile. The thermopile is the other safety mechanism in the pilot assembly that controls the burner.

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2 Answers

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.

Jun 22, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

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

Jun 21, 2009 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Pilot light stays on but burner doesnt ignite


usually the small opening on the burner that 'points' to the pilot light will get clogged with cleaning soap or spills. Look carefully (the burner may be very easy to remove for inspection. There should be a small hole on the side pointing toward the location of the pilot light. It will be lower down than the main burner openings. Clean it out with a wooden toothpick.

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1 Answer

Pilot wont stay lite


You either have a bad thermocouple or you need to reset the burner control.

Jan 29, 2009 | Coleman Propane Forced Air Heater...

2 Answers

Laars lite 2 pool heater burner not lite


If the pilot flame is not strong enough, it will not tell the gas valve to open, or if the gas valve is not getting the signal to open, it won't. Check all wire connections at the thermostat and gas valve. Check ground wires. Clean the pilot light and flame rod.

Aug 31, 2008 | Lite On Laars Lite 2 Heaters: 250,000BTU...

1 Answer

Pilot stays lit, but burners underneathe do not light up or burn.


Check pump is working, if so could be stuck flow switch or gas valve fault get unit serviced

Aug 31, 2008 | Lite On Laars Lite 2 Heaters: 250,000BTU...

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