Roof A/C, Furnace, and Thermostat Control
Three weeks ago both A/C's worked normally- have had no issues in the past.
Two days ago the propane furnace worked normally-have had no issues in the past.
Yesterday afternoon neither a/c would turn on. Tried each with generator and 30 amp shore power. No results. Tripped and reset each breaker. Changed zones and demand temps, No results.
Left the shore power connected over night and the Duo-Therm control Mode set to cool and demand temp at 43F.
About 1/2 hour ago the furnace fired up on its own. Control still set for cool!
I turned the Duo-Therm control to Off. After the normal cool down the furnace turned off.
How/where do I start to trouble shoot?
I suspect that the control is "stuck" in furnace mode even though the display indicates Cool.
1998 36FDS Alpine
Red Bluff, Ca.