Atwood 1522DCLP furnace no worky(UPDATE)
My Atwood 1522DCLP RV furnace fires up for 5 seconds, 3 times in a row before shutting down. It is not an old unit and has not had a lot of use in the last year. There is plenty of propane and batt...
Forum Discussion
Sounds more like lack of 'flame proofing'
When main flame lights off it needs to engulf the spark electrode. This produces a milivolt signal back thru spark electrode to circuit board that 'proves' main flame lit. Circuit board then keeps voltage on gas valve holding it open.
No flame proofing......circuit board drops out DC voltage and closes gas valve.
Spark electrode position, electrode dirty/sooted up, low propane pressure, dirty burner assembly, loose/corroded contacts on connector to circuit board
HERE is a service manual that covers your model (Atwood 8500 IV series)
When main flame lights off it needs to engulf the spark electrode. This produces a milivolt signal back thru spark electrode to circuit board that 'proves' main flame lit. Circuit board then keeps voltage on gas valve holding it open.
No flame proofing......circuit board drops out DC voltage and closes gas valve.
Spark electrode position, electrode dirty/sooted up, low propane pressure, dirty burner assembly, loose/corroded contacts on connector to circuit board
HERE is a service manual that covers your model (Atwood 8500 IV series)
