Most rv furnaces are controlled by a thermostat on the wall.
Rv heater blowing cold air.
The air conditioner blows out hot air.
Yesterday i turned on the furnace to take the chill out of the trailer and it quickly warmed right up and cycled off.
Either hot air from the duct is blowing on the thermostat causing it to think the rv is warmer than it actually is or cold air is blowing across the thermostat resulting in a similar issue.
A read more.
The blower came on and i noticed after several minutes it was just blowing cold air so i turned the t stat to off.
After all a thermostat can be easily replaced with any rv model.
This issue is often caused by the thermostat receiving false readings.
Furnace turns on but no heat.
If your ac is blowing out hot air then the first step is to check the thermostat.
See of the cleaning dies the trick.
In terms of forest river furnaces they usually have issues with no ignition cold air blowing or will simply not start.
If however you set the temperature right and the ac keeps blowing out hot air then it is possible that the problem itself is in the thermostat.
Anything under 10 5 will result in the fan operating but just blowing cold air as the gas valves will not open.
This issue or if the furnace is blowing cold air could be due to the circuit board issue or the limit switch issue.
A few people even reported problems with thermostats.
The temperature is not increasing enough in the camper to reach the temperature set on the thermostat.
If the ducts can be directed make sure they point away from the thermostat.
As a first step you may want to clean the combustion area.
My atwood rv propane heater is igniting and the blower is blowing but the air is not very warm.
Next the control panel at the distribution center inside the rv to ensure there is power coming into the rv and the 12 volt automotive fuse is not blown.
Clean all the debris or spiders.
Suburban rv furnace troubleshooting.
Trailer life and motorhome magazines bob livingston and bill gehr cover the workings and troubleshooting techniques of your rv heating system.
