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Old 12-03-2015, 12:39 AM   #11
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my acted the same way, bad house batteries. didn't make a difference when I was plugged into shore power or not. replaced the batteries, problem solved, heater worked fine.

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Old 12-03-2015, 06:49 AM   #12
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Originally Posted by Bama Rambler View Post
While it could be gas flow it could also be a failing flame detection circuit.
X2 on the flame detection circuit.

Had an Atwood in a Jayco with similar symptoms. Changed board, no difference. Would light and go out. Changed igniter (and board) solved issue. Igniter sends feedback signal to board. But, what a royal PIA to fix. Had to remove kitchen sink and plumbing to get furnace out.

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Old 12-03-2015, 10:13 AM   #13
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Location: Full timer,,,at Lake Georgetown in central Texas for the winter.
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Jeff64,,,,In my 40 years of repairing furnaces,,,,I've never seen an ignitor such as the ones on RV's go bad. They just get coated with residue that interferes with the flame. Cleaning them with steel wool has always worked for me and my customers.

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