What can cause problems with a travel trailer furnace?
Rachel Ross
Published Feb 09, 2026
What can cause problems with a travel trailer furnace?
Parts such as the sail switch, limit switch, blower motor, circuit board or burner assembly can all cause problems, but should be replaced only by a qualified technician. Always be cautious when working around the gas and electrical components of a travel trailer gas furnace.
Why is there soot on the outside of my RV heater?
Replace the blown fuse. Another great RV heater troubleshooting tip: if you see soot on the outside of the RV by the exhaust vent, check all vents. The soot is telling you there’s improper combustion, which is leaving unburned fuel as it is venting. It should be burning somewhat clean. It is not normal to see soot on your exhaust vent.
What’s the best way to troubleshoot an RV heater?
One other RV heater troubleshooting tip is: check the thermocouple. Be sure it is clear of any spider webs or insect nests. The thermocouple needs to be in the correct position in the burner to work correctly.
What to do if your RV air conditioner is not working?
To do this, you will need to check whether there is at least) half an inch of height in the gasket between the Air Conditioner and the RV itself. If the rubber gasket really is the problem, then you will need to replace it with a new one. Here, you can either hire a qualified RV air conditioning specialist or do it yourself.
Parts such as the sail switch, limit switch, blower motor, circuit board or burner assembly can all cause problems, but should be replaced only by a qualified technician. Always be cautious when working around the gas and electrical components of a travel trailer gas furnace.
Replace the blown fuse. Another great RV heater troubleshooting tip: if you see soot on the outside of the RV by the exhaust vent, check all vents. The soot is telling you there’s improper combustion, which is leaving unburned fuel as it is venting. It should be burning somewhat clean. It is not normal to see soot on your exhaust vent.
One other RV heater troubleshooting tip is: check the thermocouple. Be sure it is clear of any spider webs or insect nests. The thermocouple needs to be in the correct position in the burner to work correctly.
To do this, you will need to check whether there is at least) half an inch of height in the gasket between the Air Conditioner and the RV itself. If the rubber gasket really is the problem, then you will need to replace it with a new one. Here, you can either hire a qualified RV air conditioning specialist or do it yourself.
What should I do if my RV furnace is not working?
In case it is less at 10 V then one of the onboard batteries is likely to be the issue. Without adequate electricity being supplied to the furnace or the thermostat, it might not be able to fire, and the fan may or may not work at all. Consider swapping to a backup battery which can generate in excess of 10 Volts, if feasible.
How does the furnace on an Atwood RV work?
Here is how the Atwood furnace works: The thermostat calls for heat when the temperature drops below the setting and a circuit is closed sending the request to the module board. The module board then starts the blower motor which pushes air into the burner chamber.
Why does my Forest River furnace not start?
In terms of Forest River furnaces, they usually have issues with no ignition, cold air blowing or will simply not start. A few people even reported problems with thermostats. When compared to other manufacturers, these problems don’t seem as bad. After all, a thermostat can be easily replaced with any RV model. Suburban RV Furnace Troubleshooting
How does a travel trailer gas furnace work?
The motor runs for 15 to 30 seconds, then the pilot light or direct spark system ignites the burner to heat the air. The blower propels this warm air into your RV. After reaching the set temperature, the furnace turns off in the opposite order.
Why is my furnace not working in my RV?
If a vent inside the rig is closed or blocked with a rug and the air is restricted, the burner chamber gets to hot and the limit switch shuts the unit down. So if furnace #2 is not working, check the fuse at the distribution center, the outlets, and it could be low gauge wiring that will not send the signal at colder temps!
Here is how the Atwood furnace works: The thermostat calls for heat when the temperature drops below the setting and a circuit is closed sending the request to the module board. The module board then starts the blower motor which pushes air into the burner chamber.
What kind of Furnace is in an RV?
As its name suggests, it’s a propane-powered furnace for the motorhome. Each RV comes with furnaces of different sizes, types, and capabilities. Having a functioning one inside the RV is extremely important, and sometimes even the smallest glitches can cause huge issues. Where Is the RV Furnace Located?
What to do if your camper heater is not working?
If the lights do work but the heater is not getting power check the heater fuse (remove the heater faceplate/grate (by removing the two screws that hold the grate to the heater) and look for a red wire with a fuse holder in-line–check the fuse in the fuse holder).
Why is there no heat coming out of my gas furnace?
Check the propane level in your tanks. The furnace blower may be able to start, but there will be no heat coming out because there is no gas to ignite the burner. A tank with very little gas or an issue in the gas line can lead to low gas pressure. This will result in no heat from the furnace or lack of a constant pilot light.
Why are the bearings on my new trailer overheating?
My guess is that the spindle nut is too tight and the added stress on the bearings is overheating the bearings and hub and could be causing damage to the bearings. When you install the castle nut you will want to tighten the spindle nut while turning the hub. When there is a slight bind on the bearing, the parts are seated correctly.
What are the common problems with RV water heaters?
Among some of the common problems is RV water heaters. This article will present some common issues with RV water heaters and some troubleshooting tips. Below you will see a few RV water heater problems most commonly reported for the various types of travel trailers and RVs.
What to do if your RV furnace has no heat?
RV Furnace has no heat? Heres what to do: If your fan on your furnace is running but you have no heat, first check the fuses, breakers, battery voltage, propane tank and regulator, burner pilot light or ignitor, as well as the thermostat to make sure it is sending the heat signal.