So it appears you have an ignition lockout fault. That would mean that the electronics is not detecting a flame that MAY be there. Maybe a bad ground at the electronic board. Or, the sparking you hear may not be taking place at the place it should be.
Topic: Atwood Furnace Wont Light … I was checking out a friends furnace today, its an atwood, sorry don’t know model … You are having an ignition lockout fault.
I’m wondering if any of you have had this problem, and if so what did you do to fix it? While out…in cooler weather, I turned on my furnace.
I am attaching a copy of the Atwood Service Manual for you. Print out a copy of at … American RV is pretty competitive. See if your board has the .
This code pretty much means that the contol board or electronics is not sensing or detecting the flame. It could be the control board or possibly the electrode or high tension wire. IF you can hear it trying to ignite (clicking) I would go cycle your main LP tank valve, close it very slowly and then open it slowly.
If you stand in front of the furnace while it is coming on, you will be able … see a glow inside the furnace, or no glow or gas, it could be the ignite.