Gas Fireplace Fan Won’t Turn Off [5 Easy Solutions]

Your gas fireplace fan won’t turn off for several reasons like setting issues of the thermostat, faulty components, furnace fan manual override issues, remote control malfunction, or motor issues. 

Today, our experts have come up with all the solutions to these problems. Stick right here to know more.

Gas Fireplace Fan Won’t Turn Off [5 Easy Solutions]

As you are aware of the 5 fireplace fan issues, let us move on to the solutions real quick.

1. Setting Issues of the Thermostat

The thermostat is responsible for maintaining the temperature of the furnace. It directs the fan’s functionality to maintain the directed temperature. However, in many cases, the thermostat setting might have got changed.

For instance, it might have been set to manual mode. In manual mode, the fan will keep on going even if the furnace is colled down. However, automatic settings are always recommended to maintain the functionality of the fireplace. Follow the solution steps one by one for remedy:


Step 1: Locate the Thermostat Setting Panel

Go down the basement where your furnace is placed. Now, open the furnace control panel and try to find the thermostat setting panel.

Step 2: Set the Thermostat to Automatic

If your thermostat setting is set to manual, shift that to automatic. If not, then your thermostat is faulty, follow the next solution to know more about it.

Step 3: Set the Furnace Temperature

Now, set the furnace temperature lower than the current reading. 

Step 4: Wait for 3 to 4 minutes to Turn the Fan off

Wait for 3 to 4 minutes, the fan will automatically turn off when the temperature matches the assigned reading. 

Note: Here you can learn how to add a gas fireplace thermostat easily.

2. Faulty Components

Despite setting the thermostat to automatic, the fan is not turning off. In such cases, faulty components can be the cause of the problem. The components that are responsible for the fan’s functionality are:

  • Thermostat
  • Thermostat Panel
  • Fan Motor & Connections

In the majority of the cases, a faulty thermostat is the main culprit. Follow the solution to eliminate the threat.

Solution: Call a Certified Technician

Thermostats are sensitive components. You cannot fix a thermostat all by yourself. We always recommend assigning a professional technician to do these repairs.

3. Furnace Fan Manual Override Issues

Furnace fans blow the air inside the furnace to control the temperature. You can manually override the settings of a furnace fan. There is a white button on the top right corner of the furnace control panel. This button can manually override the fan settings.

In situations like these, the manual override might have been set to manual. The solution to this problem will be:

Solution: Set the Manual Override to Automatic

Locate the manual override switch first. It should be white and located on the topmost corner of your furnace panel. Set it to automatic. By doing this, you will allow the fan to stop or start automatically. If it is still functional, then there might be another issue.

4. Remote Control Issues

Sometimes, faulty remote control can be the culprit under plain sight. You might have spent hours figuring out the problem. But, changing the batteries should have saved the hustle. Follow the solution down below to fix your gas fireplace remote.

Solution: Change the Batteries or Remote

First, change the batteries and then try to remotely turn off the gas fireplace fan. Check the remote’s connectivity. If it is still not responding after changing the batteries, you might have to get a new remote. Contact your dealer or find a spare remote online. It will do the job for you.

5. Fan Motor Issues

In a few cases, the fan motor faces short-circuit and starts behaving abnormally. In such cases, you will have to follow the instructions.


Step 1: Inspect the Motor Connectivity

Inspect the motor connectivity carefully. You might find a loose wire. This will indicate the problematic spot right away.

Step 2: Call a Professional

Call a certified technician to repair the furnace fan motor for you. Once the repair is done, you will have a functional fan again.


Follow the said precautions before performing any of the solutions. It will save you from serious accidents.

  • Do NOT touch or open the furnace door while it is functional.
  • First, turn off the gas valve as well as the furnace. 
  • Wait for the furnace to cool down, then carefully open the door to inspect.
  • Don’t touch a rotating fan blade. It will cut or seriously injure you.
  • Always keep the kids away from the furnace.


When does a fireplace blower turn off?

When the temperature has reached the assigned level, the fireplace blower will turn off. If it is still on, then there might be an issue.

Can you clean the fan blades by myself?

Yes, you can clean the fan blades all by yourself. However, keep in mind that you need to cool down the furnace first.

Does your room temperature manipulate the fan speed?

Yes, the temperature sensor of your gas fireplace takes the room temperature, furnace temperature and compares those. Then it adjusts the fan speed accordingly.

Can I manually turn off my gas fireplace fan?

Yes, you can do that. However, we recommend the settings remain automatic. It will allow the fan to act according to the furnace’s temperature.

Final thoughts

We hope that our tips and tricks to solve the ‘gas fireplace fan won’t turn off’ problem could save the day for you. If you are still facing problems regarding the fan, call a certified technician to have a closer look.

Also, if you have any other issues, feel free to share those with us in the comment section down below. Our exciting team of experts will find a cure for you in no time!  

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