Question about Heating & Cooling
Can you hear ignitor sparking when gas flowing? How did you confirm gas is flowing?
Posted on Jun 23, 2013
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Posted on Jan 02, 2017
SOURCE: Fault Code on Dayton Gas Furnace
This happens when the furnaces tries to light to many times and doesnt succeed. If you stand in front of the furnace while it is coming on, you will be able to hear the problem. If its an electronic start, there will be a clicking sound, followed by the gas valve opening to start it. If it has a pilot light, make sure it is lit, then listen for the gas to come out, it will make a hissing sound. If no gas is coming out, first double check to see if the gas is turned on to the unit, if it is, then its possibly the gas valve. Oh, if it is electronic, and you hear gas, but dont see a glow inside the furnace, or no glow or gas, it could be the ignite. Hope this helps.
Posted on Dec 28, 2009
look at circuit board and follow wires that come from fan motor, if this is a standard motor black is high and it will be going to a prong that says cool, red is low and it will go to heat, you will have a yellow and a blue that are "parked" remove red park it were the blue is and put blue on heat, if this is a variable speed motor you will have to set dip switches via your equipment manual
Posted on Sep 30, 2009
if you dont see the glow of the ignitor it is probably bad . you can check with a meter that has an ohms scale, unplug and test ignitor side OL would be a bad ignitor 45-110ohms ok.
Posted on Oct 03, 2009
SOURCE: goodman furnace
Check the roll out switch(s) and the lock out switches. They are a small disc looking about the size of a nickle, with with 2 wires attached on them. There will be a re-set button in the middle that resembles a small peg. Push this in to re-set. As the glow coil shorted out, the fuse on the control board may have blown. On the newer furnaces find the main board and look for a car type fuse. If blown, replace. You also have the symptoms of a bad limit switch, by the clicking noise (the heat fan relay) and the blower fan running instantlly.
Posted on Jan 07, 2008
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