Why Won’T My Rv Furnace Turn on

Your RV furnace might not turn on due to a faulty thermostat or ignition system. If you’re having trouble getting your RV furnace to turn on, it could be caused by a couple of common issues.

One possible reason is a malfunctioning thermostat. A faulty thermostat can prevent the furnace from receiving the signal to start heating.

Another potential problem could be with the ignition system. If the ignition system is not functioning properly, it may not be able to ignite the fuel and initiate the heating process.

By troubleshooting these areas, you can address the problem and get your RV furnace up and running again.

Common Issues With Rv Furnaces

The igniter not working is a common issue that can prevent your RV furnace from turning on. This component is responsible for generating the spark that ignites the propane and starts the furnace.

If the igniter is faulty or dirty, it may not produce a spark, hindering the furnace’s operation. Regular cleaning and maintenance can help prevent this problem.

Propane supply issues can also cause the furnace to not turn on. Make sure the propane tank is not empty and that the supply lines are free from blockages or leaks. Insufficient propane pressure can prevent the furnace from igniting properly.

A malfunctioning thermostat is another potential cause. If the thermostat is not accurately sensing the temperature or if it is not sending the signal to the furnace, it will not activate. Check the thermostat settings and replace it if necessary.

Igniter Not Working

Signs of a faulty igniter

  • No heat: One of the top signs that your RV furnace igniter is not working properly is that there is no heat coming from the furnace. This could indicate a problem with the igniter not producing a spark to ignite the fuel.
  • Clicking Sound: Another sign of a faulty igniter is a continuous clicking sound coming from the furnace. This could mean that the igniter is attempting to spark but is unable to ignite the fuel.
  • Intermittent Heat: If you experience intermittent heat from your furnace, it could be a result of an igniter issue. The ignition process may be inconsistent, causing the furnace to only produce heat sporadically.

Steps To troubleshoot And Fix The Igniter Issue

  • Inspect the igniter: Check for any visible signs of damage or wear on the igniter. Replace the igniter if necessary.
  • Clean the igniter: Use a soft brush or cloth to remove any debris or dirt from the igniter. This can help improve the spark and ignition process.
  • Test the igniter: Use a multimeter to test the continuity of the igniter. If it does not show any continuity, it may need to be replaced.
  • Replace the igniter: If the igniter is found to be faulty, replace it with a new one. Ensure proper installation.

Importance of regular maintenance for the igniter

Regular maintenance for the RV furnace igniter is crucial to prevent igniter issues and ensure proper functioning.

Cleaning the igniter regularly can remove any buildup or debris that may affect its performance. Additionally, inspecting the igniter during routine maintenance checks can help identify any signs of damage or wear early on, allowing for timely repairs or replacement.

By taking proactive measures in maintaining the igniter, you can avoid unnecessary heat interruptions and ensure the comfort of your RV.

Propane Supply Issues

Is your RV furnace not turning on? One possible reason for this could be propane supply issues. Here are some signs that indicate problems with propane supply:

  • Check the propane tank and valves to ensure they are not empty or turned off.
  • Inspect for any leaks or damaged connections that may be preventing propane flow.
  • If the tank and valves are fine, you can try troubleshooting the issue by following these steps:
  • Turn off the furnace and wait for a few minutes.
  • Turn it back on and check if the igniter sparks. If not, it may need cleaning or replacement.
  • Verify that the thermostat is set to the desired temperature and working properly.
  • Ensure the air intake and exhaust vents are clear of any blockages.

If the problem persists, it may be best to contact a professional RV technician for further assistance.

By following these troubleshooting steps, you can easily resolve propane supply issues that may be causing your RV furnace to not turn on. Remember to always prioritize safety when dealing with propane-related systems.

Thermostat Malfunction

A malfunctioning thermostat is a common reason why an RV furnace may fail to turn on. Recognizing the signs of a faulty thermostat is essential for diagnosing and fixing the problem.

Look out for indications such as inaccurate temperature readings, unresponsive controls, or a complete lack of response from the furnace. To diagnose the issue, you can start by checking the power supply and ensuring the thermostat is set to the correct mode and temperature.

If necessary, replace the batteries or clean the contacts to restore proper functionality. Regular maintenance of the thermostat is crucial to prevent future problems.

Clean any dust or debris from the device, and consider scheduling professional inspections to identify and resolve any lurking issues. By taking these steps, you can troubleshoot and resolve thermostat problems, ensuring your RV furnace operates efficiently and provides a comfortable environment.

Frequently Asked Questions On Why Won’t My Rv Furnace Turn On

Why Wont My Furnace Kick On In My Rv?

Your RV furnace may not kick on due to a variety of reasons like a blown fuse, low propane, a faulty thermostat, or a clogged air filter. Check these components and make necessary repairs or replacements to ensure proper functioning of your furnace.

How Do I Reset My Rv Furnace?

To reset your RV furnace, locate the reset button or switch on your furnace unit. Press or flip the reset button or switch to reset the furnace. Make sure to follow the manufacturer’s instructions for your specific RV furnace model.

Where’s The Reset Button On My Furnace?

The reset button on your furnace is typically located near the blower motor. Look for a small red or black button on or near the motor. Press the button to reset your furnace if it shuts off unexpectedly. Make sure to consult your furnace’s manual for specific instructions.


Troubleshooting your RV furnace not turning on can be a frustrating experience. However, by following the steps outlined in this blog post, you can identify and resolve the most common issues effectively. Remember to check the power source, gas supply, thermostat settings, and other potential culprits.

Regular maintenance and professional assistance are also crucial to ensure your furnace operates smoothly. Stay warm and enjoy your RV adventures!

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