Furnace issues

[Bugg013]

Happy holidays all.

Does any one have any experience with the furnaces in these units. While dry camping, does it need a “specific” charge level on the batteries to run. Cold night last night in the 20’s. Clicked on a time or two in the evenings. But, woke up to a very cold morning and it won’t come on.

Have the generator running now to charge the rig, and run the space heaters.

Hopefully it just needs a good amount of battery to kick over, if not... I’d hate to know what it’s like to take it to a shop

[kenandterry]

Your profile doesn’t provide any details about your rig. You don’t have a lot of posts, so we’ll assume you’re still a bit of a newbie.

RV units are not 4 season.
Yes.....RV furnaces use a lot of propane.
Yes.....they need a good solid 12+ volts to run the fan and spark igniter.
You can only run so many electric heaters before you trip breakers.

Good luck.

[Bugg013]

Originally Posted by kenandterry

Your profile doesn’t provide any details about your rig. You don’t have a lot of posts, so we’ll assume you’re still a bit of a newbie.



RV units are not 4 season.

Yes.....RV furnaces use a lot of propane.

Yes.....they need a good solid 12+ volts to run the fan and spark igniter.

You can only run so many electric heaters before you trip breakers.



Good luck.

Yes, they do use a lot of propane. And yes, they need a solid 12v source. However, all that aside because it does have both of those. I was curious if others have had the same issue of it just not working with sufficient battery and plenty of fuel.

Fuses and breakers are fine.

[kenandterry]

Originally Posted by Bugg013

Yes, they do use a lot of propane. And yes, they need a solid 12v source. However, all that aside because it does have both of those. I was curious if others have had the same issue of it just not working with sufficient battery and plenty of fuel.

Fuses and breakers are fine.

So, after running your generator, does the furnace work now?

[Bugg013]

Originally Posted by kenandterry

So, after running your generator, does the furnace work now?

It does not.

[Scrapper]

Include the make and model number of the appliance and as much detail as to what is happening when asking for help with appliances. That way we can give you specific answers to your questions. If I knew which furnace you have I could direct you to the Service Manual specific for your furnace.

These furnaces are what is called a forced air furnace. The blower motor has to turn fast enough so the air flow is high enough to push the sail switch down to close the switch so the power allows the gas valve to open. Without enough battery power there will not be enough air flow.

Many things can cause the loss of performance. Bad connections, bugs, dirt and spider webs are a few.

Seeing that your fairly new to this forum and possibly new to RV’s, you should read this thread 'New to RV's helpful hints’

[Bama Rambler]

You have to have both plenty of propane and a good charge on the battery(s) in order for the furnace to run? If the battery gets low the furnace will not run and go into lockout. You have to remove power from the furnace to reset it. Usually turning the thermostat off and back on will do it, but sometimes you need to remove the fuse and replace it.

Same thing can happen if you run out of propane, except that you may have to reset it a few times to get the gas flowing enough for it to light.

[Bugg013]

Originally Posted by Bama Rambler

You have to have both plenty of propane and a good charge on the battery(s) in order for the furnace to run? If the battery gets low the furnace will not run and go into lockout. You have to remove power from the furnace to reset it. Usually turning the thermostat off and back on will do it, but sometimes you need to remove the fuse and replace it.

Same thing can happen if you run out of propane, except that you may have to reset it a few times to get the gas flowing enough for it to light.

Thank you, that’s exactly the information I was looking for. I know I had plenty fuel, and dead batteries. Hooked up the generator, let it run for a bit. Cycled the thermostat and she’s back to heating.

[Bama Rambler]

I'm glad it worked, and thanks for coming back and letting us know that you got it working.