Why does my furnace not start when I Turn Up the thermostat?

If the furnace motor doesn’t start when you turn up the thermostat, the possible problems are the fuse for the furnace, the thermostat, the module board, the small fan relay that is separate on older model furnaces, or the motor itself.

What to do if you have an RV furnace problem?

If by chance you do have a furnace problem, get it taken care of as they only get worse over time, beginning as an occasional nuisance and then failing completely when you need heat most! Maintain your RV furnace and keep warm! You can get highly rated Camco mud dauber screens at Amazon.

Are there any problems with the Keystone Furnace?

Another problem the Keystone RV with a Suburban furnace has is that the duct work is squished in most units in installation. You can reduce that by loosening the screws so they aren’t too tight. At least you are not accusing me of having a screw loose.

What happens when the furnace gets too hot?

That thermo switch opens if the furnace gets too hot and shuts down the gas. These two switches are safety switches and they are in series, which means power passes from one to the other and then to the module board, which sends power to the gas valve and the igniter, which does the sparking and ignites the gas.

If the furnace motor doesn’t start when you turn up the thermostat, the possible problems are the fuse for the furnace, the thermostat, the module board, the small fan relay that is separate on older model furnaces, or the motor itself.

If by chance you do have a furnace problem, get it taken care of as they only get worse over time, beginning as an occasional nuisance and then failing completely when you need heat most! Maintain your RV furnace and keep warm! You can get highly rated Camco mud dauber screens at Amazon.

Another problem the Keystone RV with a Suburban furnace has is that the duct work is squished in most units in installation. You can reduce that by loosening the screws so they aren’t too tight. At least you are not accusing me of having a screw loose.

That thermo switch opens if the furnace gets too hot and shuts down the gas. These two switches are safety switches and they are in series, which means power passes from one to the other and then to the module board, which sends power to the gas valve and the igniter, which does the sparking and ignites the gas.