Reasons Why An RV Furnace Blower Won’t Start

1. The furnace switch is turned off

2. The furnace is unplugged

3. The fuse in the RV’s electrical system has blown

4. There’s no propane in the furnace

5. The blower motor is burned out

6. The thermostat isn’t set to “heat” mode

7. There’s something blocking the airflow to the furnace

8. The blower wheel is dirty or clogged with dust and lint

9. The air filter needs to be replaced