Rv Furnace Blowing Cool Air

Your next rv furnace troubleshooting is to verify that there is 10 5 volts of battery power coming into the unit.

Rv furnace blowing cool air.

We have plenty of propane. As a result the vent will work but no heat will be produced. It worked fine in june and we didn t use it through the summer but now it does read more. People get confused and sometimes even scared when this happens.

This issue is often caused by the thermostat receiving false readings. Anything under 10 5 will result in the fan operating but just blowing cold air as the gas valves will not open. Furnace could also make nosie. Fan is running but furnace produces no heat.

The blower keeps blowing to cool the furnace down to a safe level. Several things can be checked for a cause in this case. 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. I have a duo therm propane rv furnace that will only blow cold air.

2 furnace overheated let s say your furnace blows hot air then cold air but then stops blowing any air at all after a while. After all a furnace shouldn t be blowing cold air right. A weak power source won t trigger the sail switch and it won t regulate the air flow. It does kick on and off.

Rv furnace troubleshooting may also be necessary when a spider has spun its web inside the furnace area. It s possible your furnace overheated. Rv furnace stops and starts. Common rv furnace problems include the furnace wont light it wont heat properly or it could cycle on and off.

This issue or if the furnace is blowing cold air could be due to the circuit board issue or the limit switch issue. As a first step you may want to clean the combustion area.