furnace, no heat
Got to our campground this last weekend and set the thermostat for the night. Woke up several times and heard the front funace running,which was fine as it was cold and windy. The next morning I found...
Forum Discussion
As I understand things, this generally means either the sail switch isn't activating or the burner isn't lighting.
For the first problem, the cause could be something causing low airflow in the combustion side of the furnace (a blockage, for instance), low voltage at the furnace leading to too-slow blower motor operation, or a dirty, sticky, worn, or broken sail switch.
For the second, it's typical propane appliance sorts of problems and solutions: igniter adjustment, burner adjustment or blockage, flame sensor problems, etc.
For the first problem, the cause could be something causing low airflow in the combustion side of the furnace (a blockage, for instance), low voltage at the furnace leading to too-slow blower motor operation, or a dirty, sticky, worn, or broken sail switch.
For the second, it's typical propane appliance sorts of problems and solutions: igniter adjustment, burner adjustment or blockage, flame sensor problems, etc.
