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Normal operation for an RV furnace:
Fan starts, control board gets information that the fan is spinning fast enough.
Flame is applied and warm air is sent through ducting.
When "set temp" is reached, flame is shut off and fan runs for a prescribed period of time called "cool down".
"Fan" operation is for the fan in the AC unit on the roof.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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