Atwood 7920-II furnace failure
My Atwood 7920-II furnace won't do anything, was working 100% perfect day before failure so something just broke. No fan, no clicking, nothing. Been reading tons of forum tech data relating to pr...
Forum Discussion
If you have the newer version with the fan relay on the circuit board you need to check for power from the fan terminal to the fan motor when the thermostat is calling for heat. And make sure the thermostat is closing the circuit between the two white wires on this diagram.
http://techsupport.pdxrvwholesale.com/wp-content/uploads/2017/08/Atwood-7920-II-Installation-Manual.pdf
http://techsupport.pdxrvwholesale.com/wp-content/uploads/2017/08/Atwood-7920-II-Installation-Manual.pdf
