Troubleshooting Tips: Mr Heater Buddy Not Lighting?

To fix a mr heater buddy not lighting issue, first, check the pilot tube for blockages and debris. Then, try cleaning the tip of the thermocouple for better connection.

Mr heater buddy is a top-rated portable propane heater that provides warmth in cold temperatures. It is compact, efficient, and easy to use. However, sometimes users can face a problem where the mr heater buddy fails to light up, no matter how much they try.

A heater not lighting issue can happen due to various reasons, such as a clogged pilot tube, bad thermocouple connection, or low gas pressure. In this article, we will go over some common solutions to fix a mr heater buddy not lighting problem. We will provide you with step-by-step instructions on how to troubleshoot the heater to get it up and running again. Following these simple steps will save you time, money and keep you warm in the coldest weather.

Troubleshooting Tips: Mr Heater Buddy Not Lighting?


Understanding The Mr Heater Buddy: A Brief Overview

The mr heater buddy is a portable, propane heater that is commonly used for camping, hunting, and in small enclosed spaces like garages, tents, and cabins. Here’s a quick rundown of what you need to know about the mr heater buddy:

Introduction To Mr Heater Buddy

  • The mr heater buddy is a propane heater that generates heat using a combustion process.
  • It has an automatic ignition system that makes it easy to light up.
  • The heater is lightweight and portable, making it ideal for outdoor activities and emergencies.
  • It comes in various sizes, from 4,000 btus to 18,000 btus, depending on your heating needs.

The Benefits Of Using Mr Heater Buddy

  • It provides a quick and efficient source of heat without the need for electricity.
  • It’s a safe and reliable option for enclosed spaces as it has built-in safety features like low oxygen sensors and accidental tip-over switches.
  • It’s portable and easy to carry around, making it ideal for camping and emergencies.
  • It has a long burn time, with some models lasting up to 6 hours on a single propane cylinder.

Maintenance And Safety Precautions

  • Always use the heater in a well-ventilated space to avoid carbon monoxide poisoning.
  • Check the propane cylinder and connections regularly for leaks. You can do this by applying soapy water to the connections and checking for bubbles.
  • Make sure the heater is on a stable surface and keep it away from flammable materials.
  • Clean the heater’s surface and components periodically to prevent dust buildup and ensure optimal performance.
  • Always turn off the heater and disconnect it from the propane tank when not in use.
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A Quick Review Of The Common Issues With Mr Heater Buddy

  • The heater may not light up when the automatic system fails. In such cases, lighting it manually may solve the problem.
  • The pilot light may go out, either due to wind or a faulty thermocouple. In such cases, relighting the heater may fix the issue.
  • Low propane pressure may also cause the heater to not light up or produce insufficient heat. Checking the propane cylinder and regulator can help resolve this.
  • The heater may produce incomplete combustion, leading to soot buildup. Regular cleaning and maintenance can prevent this issue.

Possible Causes Of Mr Heater Buddy Not Lighting

If your mr heater buddy is not lighting up, there could be several reasons behind it. Do not worry; we’ve got you covered. Below are some possible causes of mr heater buddy not lighting up:

Gas Supply And Pressure Issues

  • Make sure that your gas tank is full, and the fuel is flowing smoothly.
  • Check for any leaks in the gas line and tighten the connections if necessary.
  • Verify that the regulator is working correctly by replacing it if it is not.

Blocked Pilot Tube Or Burner Orifice

  • Dirt, dust, and other debris can accumulate in the pilot tube or burner orifice, leading to blockage.
  • Use compressed air to clean the tube and orifice regularly.
  • Check the pilot assembly for any damage or wear and tear and replace it if needed.

Faulty Thermocouple Or Safety Feature

  • A dysfunctional thermocouple or safety feature can prevent your heater from lighting up.
  • Make sure to replace a faulty thermocouple immediately as it can cause a gas leak hazard.
  • For safety features like an oxygen depletion sensor, try resetting the unit or replacing the sensor.

Dirty Or Clogged Heater

  • Dirt and dust can clog the heater, resulting in a malfunction.
  • Use a soft brush or cloth to clean the surface of the heater regularly.
  • If any corrosion has occurred, use a wire brush to remove it.
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Low Battery Level

  • Your heater’s ignition system may not function correctly if the battery is low.
  • Replace the battery or charge it if necessary.

Damaged Ignition System

  • Any damage to the ignition system can prevent the heater from lighting up.
  • Check for any loose wires or connections, and tighten them if needed.
  • Replace any damaged ignition parts.

Keep in mind that if your mr heater buddy is still not lighting up after trying these solutions, it is best to consult a professional. Stay warm and safe!

How To Fix Mr Heater Buddy Not Lighting

Troubleshooting And Diagnosis Of The Problem

If your mr heater buddy is not lighting, there could be several reasons for the issue. Before moving on to the solution, you need to first diagnose what may be causing your mr heater buddy not to light. Here are some common problems you may encounter while using a mr heater buddy:

  • Low fuel level or blockage in the propane line
  • Pilot light not functioning properly
  • Clogged burner orifice
  • Damaged or faulty thermocouple
  • Broken igniter or control valve

Step-By-Step Guide For Cleaning And Maintenance

Regular cleaning and maintenance are essential to keep your mr heater buddy functioning correctly. Here is a step-by-step guide to cleaning and maintaining your heater:

  • Turn off the propane tank and unplug the heater from the power source.
  • Remove the burner cover and unscrew the burners from the unit.
  • Use a soft-bristled brush to clean the burners and orifice.
  • Wipe down the heater’s body with a damp cloth.
  • Check for damage or wear on all parts and replace them if necessary.
  • Reassemble the unit and test to see if it works correctly.

Replacing Damaged Or Faulty Components

If your mr heater buddy is still not functioning correctly after troubleshooting and cleaning, you may need to replace some parts. Here is a list of common parts that may need to be replaced:

  • Thermocouple
  • Igniter
  • Control valve
  • Burner assembly

Make sure to purchase parts that are compatible with your specific model of mr heater buddy. If you’re not comfortable replacing parts yourself, consider hiring a professional to do the job.

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Adjusting The Flame And Gas Pressure

If you’re still having trouble getting your mr heater buddy to light, you may need to adjust the flame and gas pressure. Here’s how:

  • Turn the heater off and let it cool down.
  • Remove the front panel and locate the gas valve on the control valve.
  • Use a wrench to turn the gas valve clockwise to decrease the gas pressure or counterclockwise to increase it.
  • Turn the heater back on and test the flame.

Tips For Safe Operation And Extended Use

To ensure safe operation and extended use of your mr heater buddy, keep the following tips in mind:

  • Check your propane tank regularly and replace it when necessary.
  • Always use your heater in a well-ventilated area and keep it away from flammable materials.
  • Do not leave your heater unattended while it’s in use.
  • Periodically clean and maintain your heater to keep it in good working condition.
  • If you’re not comfortable troubleshooting or repairing your heater, consider hiring a professional to do it for you.

By following these steps and taking proper care of your mr heater buddy, you can troubleshoot and fix any issues you may encounter with it not lighting. Remember to always prioritize safety when using any heating equipment.


It’s frustrating when your mr. heater buddy won’t light up. However, fixing it isn’t as difficult as you might think. By following the steps outlined in this blog post, you can troubleshoot and fix the problem. From checking the propane tank to clearing the fuel line, these solutions are easy to follow and can save you from having to buy a new heater.

Remember to always follow safety precautions and turn off the gas supply before working on your heater. With a little patience, persistence, and some basic maintenance, you’ll have your mr. heater buddy up and running again in no time. Regular maintenance will also prevent future issues and keep your heater in good working condition.

Now, grab your tools and get to work!


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.