Atwood furnace
I have a trailer with a Atwood 7920-II furnace. I have worked it down to the point it gives a code 3 for ignition lockout fault. Does anybody know what that means or what might be causing it? I am gue...
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Still not lighting.
I ordered a manometer to check gas pressure. Got impatient and bought a gas regulator and installed. Nice fat blue stovetop flame but no furnace lighting.
I checked ignitor gap, 1/8 inch not 1/4, shined up probes. I even took a video of the thing arcing. If I can figure out how to get it off my phone.
Not recommended, but, with ignitor out I turned on furnace long enough to get my ear down by the unit and you could literally hear the gas going into the burner. I only ran it several seconds, not a full cycle, and then turned it off.
I ordered a manometer to check gas pressure. Got impatient and bought a gas regulator and installed. Nice fat blue stovetop flame but no furnace lighting.
I checked ignitor gap, 1/8 inch not 1/4, shined up probes. I even took a video of the thing arcing. If I can figure out how to get it off my phone.
Not recommended, but, with ignitor out I turned on furnace long enough to get my ear down by the unit and you could literally hear the gas going into the burner. I only ran it several seconds, not a full cycle, and then turned it off.
