Question about Heating & Cooling
Having a problem with the pilot burning very yellow and sutting badly also making a bad ododr in builing . trying to understand why it is sutting so. its new / pressure switch is new / valve is a new smart vavle/control board is new/ and limit swith is new. also having trouble with duct fan coming on to soon before plenium is heated
Pilot needs cleaning sounds like its blocked or change injector in pilot
try blowing out pilot out with air , check afc to see if it is dirty on the back side of it you should be able to remove it and see if it is clean ,also check air filter is clean.
Posted on Jan 07, 2013
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Posted on Jan 02, 2017
OK, if the furnace is not lighting for even a few seconds, you have either a bad gas valve, bad wire, bad control module or no gas. The pressure switch is not the issue. Check all wires to the gas valve and look for 24 volts across them when the ignitor glows and you hear the click. Then test for 24 volts to ground. It could be a bad ground wire.
Posted on Oct 21, 2008
Test while the unit is firing with a meter. you should have 24 volts going to gas valve. If you do and no gas is coming out, you have a bad gas valve. You will need a gas pressure test kit to install a new one correctly.
Posted on Dec 01, 2008
If the snap switch is not located close enough to the plenum, this can be problem. The other option would be to cover the switch area with a metal shield or liatherm paper (fire rtardant paper).
Posted on Jan 29, 2008
it could be leaking when the fire place is on you said you checked for leaks was this to the burner as well ? it sounds like unbrunt gas check the burner , hope this helps , are you feeling sick or headaches as this would b e fumes ?
Posted on Jan 14, 2009
Go to www.grainger.com and look for a "power pile generator" this is a millivolt thermocouple that may be just what you need to make your heater work again
Posted on Nov 12, 2009
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