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Furnace won't light


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#11 Rob~

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Posted 12 October 2010 - 12:00 AM

I say it shouldn't matter where you set it-- the thermostat sends a signal as a relay (12v on or off) and not a rheostat/potentiometer (variable resistance based on the setting) to the furnace. If you didn't care about temp settings you could run the furnace with an on/off switch.


Thanks, that makes sense, I had the board tested today and it was fine. Bought a ignitor, will put that in and see if that's the issue. I'm getting ready for hunting season and can't wait.
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#12 Rob~

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Posted 12 October 2010 - 12:40 AM

I installed the ignitor, still no heat. I read that I should hear it clicking but can't seem to. Maybe it's me. I suppose if it's has spark if I so assume after testing the board and installing the ingitor then I'll look at gas next. I think I'm missing the old pilot light furnaces already.
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#13 Stan@FourWheel

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Posted 12 October 2010 - 04:52 AM

have you tried the reset switch ?


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I installed the ignitor, still no heat. I read that I should hear it clicking but can't seem to. Maybe it's me. I suppose if it's has spark if I so assume after testing the board and installing the ingitor then I'll look at gas next. I think I'm missing the old pilot light furnaces already.


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#14 Rob~

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Posted 12 October 2010 - 04:57 AM

have you tried the reset switch ?


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Well, this is a bit embarrasing :unsure: but perhaps someone will read this and and prevent their own Duh moment. The battery cables were reversed, corrected the polarity and bang she fired up. I was sitting on the couch watching football and comtemplating taking it in to a shop and it hit me to check the obvious.
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#15 Barko1

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Posted 12 October 2010 - 01:19 PM

Well, this is a bit embarrasing :unsure: but perhaps someone will read this and and prevent their own Duh moment. The battery cables were reversed, corrected the polarity and bang she fired up. I was sitting on the couch watching football and comtemplating taking it in to a shop and it hit me to check the obvious.


That makes you an official member in good standing of this forum!
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#16 ski3pin

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Posted 12 October 2010 - 01:50 PM

That makes you an official member in good standing of this forum!


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#17 natjwest

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Posted 13 October 2010 - 06:15 PM

have you tried the reset switch ?

Stan, where is the reset switch? That little white push-button that says "5" ?
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#18 UglyScout

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Posted 13 October 2010 - 06:32 PM

The reset on mine is in the furnace on the outside of the fan shroud -- in the picture below it is the black square with the little white button on top in the right part of the picture...

Posted Image
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#19 natjwest

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Posted 13 October 2010 - 11:08 PM

The reset on mine is in the furnace on the outside of the fan shroud -- in the picture below it is the black square with the little white button on top in the right part of the picture...

Yeah, I thought so. That button does nothing for me. Thanks for the picture.
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#20 UglyScout

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Posted 13 October 2010 - 11:16 PM

Yeah, I thought so. That button does nothing for me. Thanks for the picture.


If the button is 'soft' it hasn't been tripped and will feel like it does nothing.
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