skip to Main Content

Comfort, Efficiency, Innovation, Insight

Amana furnace fault codes

How To Fix The Common Amana Furnace Fault Codes

Heating and cooling systems are essential to the comfort and safety of our homes, and Amana furnaces are well-known for their dependability and efficiency. However, like any sophisticated machine, they…

This post may contain affiliate links. Please read my disclosure policy.

Heating and cooling systems are essential to the comfort and safety of our homes, and Amana furnaces are well-known for their dependability and efficiency. However, like any sophisticated machine, they can encounter issues from time to time. 

Recognizing and interpreting Amana furnace fault codes can be your first step to troubleshooting and potentially solving these problems yourself.

Understanding Amana Furnace Fault Codes

The unique feature of Amana furnaces and most modern HVAC units is their ability to communicate issues through fault codes. If you encounter any of the Amana furnace fault codes, don’t worry, this is the furnace’s intelligent way of telling you something isn’t right. 

Understanding these Amana furnace fault codes can help you find quick and effective solutions, reducing downtime and discomfort.

The Common Amana Furnace Fault Codes and Their Solutions

Before delving into the common Amana furnace fault codes, it’s important to remember that some issues may require a trained technician’s expertise. Always prioritize safety and consult a professional if you’re unsure.

Fault Code 1 – Ignition Failure

This code indicates that the furnace has made several unsuccessful attempts to ignite.

How to Fix It:

Reset your furnace by turning it off and back on. If the problem persists, check for gas supply issues, ensure that your gas valve is fully open, and check for any possible obstructions in the ignition. If these steps don’t resolve the issue, it’s best to contact a professional technician.

Fault Code 3 – Pressure Switch Stuck Open/Closed

This code typically means that there is a problem with the furnace’s pressure switch or the switch tubing.

How to Fix It:

Check the tubing connected to the pressure switch. Ensure it’s clean, undamaged, and properly connected. If the tubing is in good shape, you may need a new pressure switch. In this case, consult with a professional.

Fault Code 4 – Limit Switch Open

This fault code usually signifies that the furnace is overheating.

How to Fix It:

Firstly, check the air filter. If it’s dirty, replace it. Next, ensure that all air supply vents in your home are open and unobstructed. If these steps don’t resolve the problem, it could indicate a more serious issue such as a failing blower motor or problems with the heat exchanger. Call a professional to investigate further.

Fault Code 7 – Flame Sensor Fault

The flame sensor monitors the furnace’s burner, ensuring that it is working correctly. If this fault code appears, the sensor might be dirty or malfunctioning.

How to Fix It:

Try gently cleaning the flame sensor with a soft cloth or a wire brush. If the issue persists, the sensor might need replacing, a task best left to a professional.

Fault Code 9 – Invalid Board Operation

This is a general error and can indicate a few possible issues.

How to Fix It:

Resetting your furnace is one of the common ways to troubleshoot Amana furnace fault codes. However, if the fault code persists, the problem might lie in the control board, and a professional should be called to examine the system.

Final Thoughts

Amana furnace fault codes provide a helpful way for homeowners to understand and potentially troubleshoot issues with their heating system. However, furnaces are complex, and if you’re ever unsure about what you’re doing, it’s always best to call a professional.

A well-maintained furnace will not only ensure a comfortable living environment but will also function more efficiently and have a longer lifespan. Thus, a regular maintenance schedule is key to keeping your Amana furnace in good working condition and reducing the likelihood of facing these fault codes.

If you found this guide helpful, bookmark it for future reference and share it with friends or family who might benefit from understanding their Amana furnace fault codes a bit better. Remember, knowledge is power – especially when it helps keep you warm and cozy during the coldest months of the year!

Remember that even though these common Amana furnace fault codes can be fixed in many cases by homeowners themselves, always call a professional if you’re not sure about the process. It’s better to be safe and ensure your furnace is running efficiently and effectively.

Read more posts here.

Frequently Asked Questions for Amana furnace fault codes

Q: Where is the furnace reset button located?

A: The reset button on most furnaces is typically located on or near the furnace motor housing. It’s usually a red or yellow button. If the furnace shuts off due to overheating, you can press this reset button after the furnace has cooled down. However, if the furnace continually overheats and shuts off, necessitating multiple resets, this may signal a more serious problem, and you should contact a professional HVAC technician.

Q: What is code 13 on an Amana furnace?

A: Code 13 on an Amana furnace generally indicates a limit switch lockout. This could mean that the furnace is overheating, possibly due to reduced airflow from a dirty filter, closed or blocked vents, or a problem with the blower motor. The system should reset itself after about an hour, but you should address the underlying cause to prevent the issue from recurring.

Q: What is the error code E11 on an Amana furnace?

A: Error code E11 on an Amana furnace usually indicates an Ignition Retry Failure. This means that the furnace tried to ignite multiple times but failed. This could be due to several reasons including a problem with the gas supply, a dirty or malfunctioning flame sensor, or issues with the ignition components. If resetting the furnace doesn’t resolve the issue, it’s advisable to call a professional.

Q: What is the error code E7 on an Amana furnace?

A: Error code E7 on an Amana furnace typically signals a Primary or Auxiliary Limit Switch Open. This generally means the furnace is overheating. The common reasons for this could be a dirty air filter, closed or blocked vents, or a problem with the blower motor. Replace the air filter if it’s dirty, ensure that all vents are open and unblocked. If the problem persists, contact a professional to inspect the furnace.

Remember, while these codes provide helpful insights into what might be going wrong with your furnace, some issues will require professional attention. Always consider safety first and don’t hesitate to contact a HVAC professional if you’re unsure about performing any furnace maintenance or repairs.

I'm an HVAC enthusiast and a passionate writer dedicated to sharing valuable insights and practical tips about heating, cooling, ventilation, and air conditioning systems.

Latest Posts

Hi there, I'm Robert Brooks

Hi there, I'm Robert Brooks

I’m so glad you are here! Welcome to my website, where I’ll share easiest HVAC troubleshooting tips, buyers guides, and everything about HVAC cooling and heating system. Learn more about me.

Back To Top