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Furnace won't start

Pilot light is on but gas furnace won't start

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Find out if it has a thermocoupler and if so i think it will need replaced. that would sttop it from lighting

Posted on Feb 01, 2009

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hotuna
  • 288 Answers

SOURCE: gas furnace wont stay lite

I'm a little confused by your terminology. You are saying you have a pilot lite and electric heat strips? Are you possibly meaning burners? Is the heater running for 2 hours straight without shutting off? how cold is it there? Lastly what temperature do you have the thermostat set at and how close does it get to the temp. before it shuts off?

Posted on Dec 20, 2007

  • 10 Answers

SOURCE: pilot light on furnace wont start

Make sure your cleaning company didn't shut off the furnace at its disconnect located on or adjacent to and forgot to turn it back on. Other than that nothing they did should have effected the furnace unless they cleaned the furnace too and maybe left the blower door loose so the door switch can't connect.

Posted on May 04, 2009

koolbreezes
  • 540 Answers

SOURCE: Intertherm furnace pilot won't light

There should be a reset button in the upper chamer next to the fan motor. In the middle ,push in on the center red button to reset it, this tripps because it says I,m not gettig enough air flow due to a plugged or dirty fliter located on the front cover or door.

Posted on Dec 18, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

Pilot light wont light


Rita, Check the attached links,instruction and guides to trouble shoot pilot light, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Gas Heater Pilot Light Troubleshooting
What to Do if Gas Furnace Pilot Light Won Stay Lit DoItYourself com
Furnace Won Ignite Why and What to Do

Aug 03, 2016 | Heating & Cooling

1 Answer

How do I light my gas furnace


light my gas furnace Marbillw, Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
How to turn your furnace pilot light on
How to Light Furnace Pilot Light HowStuffWorks
http://www.centralhtg.com/blog/how-to-light-a-furnace
How to Light Pilot Light

Jun 08, 2016 | Heating & Cooling

1 Answer

I replaced the thermocouple and I can not get furnace to light.


turn to pilot to light pilot
hold and wait should be instructions on control
turn to on position if pilot goes out start again

Nov 02, 2015 | Heating & Cooling

1 Answer

Furnace burners won't ignite


Assuming this is a gas furnace, when the thermostat calls for heat the pilot heats an igniter to produce voltage that opens the burner gas valve. In your furnace, the igniter may have failed and the burner can't fire up

Mar 09, 2013 | Sport & Outdoor - Others

1 Answer

GE furnace pilot won't ignite


Check for 24 volts at the pilot valve on the gas valve, if there is voltage, take an amp reading, if you get amperage it's trying to work, see if pilot orifice is obstructed by webs etc. very common to see this.

Oct 31, 2012 | Heating & Cooling

1 Answer

Furnace Pilot Light Won't Stay Lit


Here is something similar that happened to me. I went through the same steps you went through and upon closer inspection, I found a spider had made a web inside the supply line only letting a small trickle of gas through. Have you verified there is nothing blocking the line?

Oct 02, 2012 | Heating & Cooling

1 Answer

Pilot light won't ignite


Wait 30 minutes; press reset button. Repeat if necessary. 4. Pilot light out. 4. Relight pilot. 5. No gas. 5. Make sure gas valve to furnace is fully open. Not enough ... home.howstuffworks.com/how-to-repair-gas-furnaces1.htm

Just checked this site. I am sure you will find it useful - Good luck

Feb 07, 2012 | Heating & Cooling

1 Answer

I have a Dayton 3E290 wall heater that was installed new 30 years ago. The pilot light started to extinguish a few years ago. Gradually this began to occur more frequently. I've changed the...


The pilot assembly may need cleaned out and the orifice cleaned, also the gas valve may need to be replaced, to check for proper voltage from the thermocouple you need a flame source and it takes a meter that can register DC milliamps, and should be 350 to 750 millivolts. Heat the thermocouple with the pilot or other flame source and check, if OK, gas valve is weak.

Nov 02, 2011 | Dayton Gas Furnace Heater

1 Answer

How to light pilot on Dayton furnace and then start furnace


If this is a standing pilot system, turn the gas valve to pilot position. push in the knob & hold while lighting pilot...keeping holding knob down for a minute... this will pick & hold the gas valve. Let go of the knob & see if the pilot stays lit, if it does, then turn the knob to on position & the furnace should start if there is a call for heat from the thermostat

Sep 15, 2011 | Dayton Gas Furnace Heater

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...

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