Furnace / AC problem?
Got up this morning, turned the Duo Therm thermostat to Furnace, fan is always at "Auto", slid the temp up to 69 (and I heard a relay click in the furnace but the furnace wouldn't come on. Temp in th...
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Well, replaced the thermostat... no change.
I had previously checked voltage at the batteries and at the furnace. 13.1v, so I'm good there.
Pulled the furnace today, checked all connections, checked the squirrel cage which spun freely. Everything was spotless, so cleaning wasnt an issue. Propane flow is fine as well.
Since the AC works fine, I'm thinking it must be the controller board on the furnace.
I had previously checked voltage at the batteries and at the furnace. 13.1v, so I'm good there.
Pulled the furnace today, checked all connections, checked the squirrel cage which spun freely. Everything was spotless, so cleaning wasnt an issue. Propane flow is fine as well.
Since the AC works fine, I'm thinking it must be the controller board on the furnace.
