How to Fix A Patio Heater and Troubleshooting Guide?

Not only does the Patio heater keep you warm and comfortable, but it also improves the beauty of your garden or lawn. In winter, this heater plays a major role and you will be adversely affected if anything were to happen to your patio heater at that time. So, it is very important to know how to fix a Patio heater and troubleshoot it.

In this article, I will clarify briefly how to find the cause to and fix some common issues that can occur in your patio heater. Please read the entire article to get a good idea on fixing these issues. 

Some of the Most Common Issues with Patio Heaters

Patio heaters typically have some common issues. I’m going to mention some of them below. There’s a good chance that your heater is suffering from one of these issues. 

  • The heater does not keep lit.
  • The flame of your Patio heater is very low
  • The Bug Screen of your Patio heater is blocking flame and thus it isn’t working.
  • The transmission of gas is not happening inside the Patio heater.
  • The flame inside the Patio heater is not consistent at all.

If you found any of these common issues in your patio heater, then you don’t have to run down to the store to buy a new one. You can take a few quick steps to repair your heater permanently. Read my directions thoroughly and follow them.

How to Troubleshoot and Repair

Troubleshooting and repairing some of the more common problems of your Patio heater is easier than you might think. Fixing these common issues should not take longer than 15 minutes.  

  • Check the Gas of your Patio Heater

The patio heater runs on gas.  And just like other things that run using gas, the patio heater will also stop working if the level of gas decreases or the gas tank gets empty. It is a very common reason for the heater to stop working. So, the first thing you should do is check the amount of gas inside the cylinder.

The gas level indicator is usually in the base of the patio heater. In some models, the indicator is in other parts of the heater. 

There are some of the patio heaters that do not come with any gas indicator. In that case, try to lift the gas cylinder with your bare hands and see if it is unusually light.

If you feel the cylinder is lighter than it should be, then you have run out of gas and all you need to do is refill the gas cylinder. 

Even if the cylinder has some gas, the Patio heater may stop working. For the basic operation of the burner, some of the gas gets utilized before producing heat. In these cases, people think that their patio is broken when all they need to do is just refill it. 

  • Check the Gas Regulator

Your Patio heater has two basic parts for the transmission of gas, the gas tank, and the gas pipe. For proper connection of these two, there is a gas regulator that ensures the flow and pressure of the gas. 

If for some reason the regulator gets turned off, then the Patio heater will stop working. Sometimes, heavy shakes can turn off the gas regulator. Some Patio heaters even come with automated gas regulators where the regulator gets turned off when there’s a leak or if the pressure inside changes.

Try to find a flip switch which is somewhere on the gas regulator. The gas regulator is at the top of the cylinder. If you see the switch is on the “off” sign, just take it back to on and your problem might get fixed.

  • Check the Gas Pipe

The gas pipe of the Patio heater is the main way of transmission of the gas from the cylinder to the burner. If for some reason, the gas pipe gets blocked, then the fluent flow of gas will not happen and for that, the heater will stop working. In some cases, the pipe gets damaged and gas starts to leak.

For resolving this issue, carefully detach the pipe from the gas inlet and also remove it from the regulator. Be very careful while doing this removal process, because the gas pipe is very fragile and a small accident can break the pipe.

Now, use an air blower to blow out the trash which is blocking the gas. Never ever use water to clean the pipe. If you do so, you won’t be able to use that pipe on the Patio heater again. After the cleaning process, just re-install the pipe properly and your problem will be resolved.

  • Check the Gas burner

The gas burner is the most frequently used part of the whole Patio heater system. It also occupies most of the space. So, there is a very good chance it may get faulty. Checking it on a regular basis is very important, even if your Patio heater is working perfectly.

First of all, you have to remove the burner very carefully. There are some fragile parts inside the burner and if you disassemble it in a rush, then those parts might break. After detaching it, carefully look for any blockage. 

Another thing you need to check is the burner’s aperture. The setting of the aperture of the burner must be absolutely precise. If not, the produced heat and flame won’t be as much as you anticipated.

After finishing the basic checkout work, you have to look for a small chamber inside the burner. In that small chamber, air and gas get mixed up. Often, dirt builds up on that chamber for not having any solid opening. If you find that chamber dirty or dusty, very carefully clean it with a tissue paper or clean cloth.

Keep in mind, opening and cleaning the burner chamber is one of the most complicated tasks of the whole Patio heater troubleshooting process. If you never have worked with a burner before, then I will suggest you do proper research before operating the cleaning process. Even if you are an expert, you have to follow the below cautions:  

  • Turn off the gas properly before doing anything.
  • You have to take out the mantle of gaslight before opening the burner.
  • You have to use pipe cleaners to clean the burner. Don’t put any extra pressure and be very careful about the small chamber.
  • Inspect the Bug Screen

We all know flames attract insects. The main job of the Bug Screen is to keep the insects away from the flames. In most of the Patio heaters, the grilled barrier around the burner is the Bug Screen. In some cases, holes on a glass barrier work as a bug screen. Not cleaning them regularly may cause a blockage of airflow to the flame. 

In this case, you have to take the bug screen out and clean it properly to remedy the problem. Use a clean cloth or a regular cleaning brush and wipe out the dirt from the holes.


It is very important to check the patio heater periodically. Even if it works correctly, check the heater once a month and clean the interior once a week. And remember that most of any problem that you might face with your patio heater is fixable. You just need some patience to troubleshoot and repair the device.  

In this article, I briefly explained how to fix the Patio heater and the troubleshooting process of this machine. Hopefully, from now on you can repair your Patio heater all by yourself.