How to Reset Goodman Furnace

How to Reset Goodman Furnace

To reset a Goodman furnace, first turn off the power supply by flipping the breaker in the circuit box. Then, locate the reset button on the furnace and press it down until it clicks.

If the button is already popped up, press it down. Finally, return the cover to the blower compartment and turn the power back on. If your Goodman furnace is not starting up, check the circuit breaker or fuse box and reset the circuit or replace a blown fuse if necessary.

If that doesn’t solve the issue, try resetting the furnace using the steps mentioned above.

Indicators Of A Furnace In Need Of Reset

Indicators of a Furnace in Need of Reset

Recognizing when your Goodman furnace requires a reset is crucial in ensuring optimal functioning and efficiency. By identifying the early signs, you can promptly address any issues and prevent them from escalating into major problems. In this section, we will discuss the importance of recognizing early signs and common symptoms that necessitate a reset.

Importance Of Recognizing Early Signs

Being able to identify the early signs that indicate your furnace requires a reset is essential for several reasons. Firstly, it allows you to address the issue promptly, preventing any further damage to your Goodman furnace. Secondly, recognizing these signs can help you avoid potential breakdowns during extreme weather conditions when you heavily rely on your furnace for warmth. Lastly, being aware of these indicators helps you save on repair costs by resolving minor issues before they escalate into major repairs.

Common Symptoms Precluding Reset

To determine if your Goodman furnace needs a reset, watch out for these common symptoms:

  • Inconsistent heating: If you notice that your furnace is blowing out cold or lukewarm air instead of warm air, it may be an indicator of a system malfunction that requires a reset.
  • Frequent cycling: If your furnace keeps turning on and off in short intervals, it may be struggling to maintain a consistent temperature, suggesting a need for a reset.
  • Unusual noises: Strange noises such as banging, rattling, or grinding coming from your furnace indicate a potential issue and may require a reset.
  • Ignition problems: If your furnace’s pilot light keeps going out or the burners fail to ignite, a reset might be necessary to address the underlying issue.
  • Faulty thermostat: Inaccurate temperature readings or unresponsive controls on your thermostat could be a sign of a wiring issue, which may require a reset to resolve.

By paying attention to these symptoms, you can recognize when it’s time to reset your Goodman furnace and ensure it continues to operate efficiently and effectively.

Performing The Goodman Furnace Reset

Resetting your Goodman furnace can help resolve common issues and restore it to proper functioning. By following a few simple steps, you can perform a reset on your furnace and potentially avoid the need for a costly repair or service call.

Safety First: Powering Down

Before attempting any maintenance or troubleshooting on your furnace, it’s important to prioritize safety. Begin by turning off the power supply to the furnace. Locate the circuit breaker in the circuit box and switch it off. This will ensure that there is no electrical power running to the furnace, minimizing any potential risks. Safety should always be your top priority when dealing with household appliances.

Locating The Reset Button

Once you have powered down the furnace, you can proceed to locate the reset button. The reset button is typically found on the furnace itself, often near the burner compartment or blower area. It may be labeled or marked with a small red button or a reset symbol. Take a moment to visually locate the reset button before moving on to the reset process.

Step-by-step Reset Process

Now, it’s time to perform the reset process. Follow these step-by-step instructions to ensure a successful reset of your Goodman furnace:

  1. Press the reset button firmly and hold it down for a few seconds. This will initiate the reset process.
  2. If the reset button pops up, release it and wait for a few minutes. This may indicate that the furnace has reset successfully.
  3. Next, return the cover to the blower compartment. Ensure that it is securely in place.
  4. Finally, turn the power back on by switching on the circuit breaker in the circuit box.

Once you have completed these steps, your Goodman furnace should now be reset and ready to operate. Observe the furnace for any changes or improvements in its functionality. If the reset process has not resolved the issue or if you encounter any further problems, it may be necessary to seek professional assistance from a qualified HVAC technician.

Remember, regular maintenance and proper care of your furnace can help prolong its lifespan and ensure it operates efficiently. Performing a reset is just one of the troubleshooting steps you can take to address common furnace issues. By following the safety precautions and guidelines outlined above, you can confidently perform a Goodman furnace reset and potentially save time and money.

After The Reset: Ensuring Furnace Functionality

Once you have successfully reset your Goodman furnace, it is important to ensure that it is functioning properly before assuming all is well. In this section, we will discuss the necessary steps to follow after the reset to evaluate the functionality of your furnace. It is important to follow these steps carefully to prevent any potential issues and avoid the need for further professional help.

Powering Up And Observing Behavior

After resetting your Goodman furnace, the first step is to power it back on and observe its behavior. Here’s how:

  1. Turn on the power supply to the furnace by flipping the breaker switch in the circuit box.
  2. Listen for any unusual sounds such as screeching, grinding, or banging noises.
  3. Observe the startup sequence of the furnace. The flame should ignite within a few seconds, and the blower should start shortly after.
  4. Pay attention to the diagnostic light on the furnace control board, if applicable. It can provide valuable information about any potential issues.

Listening For Usual Sounds Of Operation

As you power up your Goodman furnace, it is important to listen for the usual sounds of operation. Here’s what to listen for:

  • The sound of the blower motor running smoothly without any excessive vibrations or rattling noises.
  • The sound of the burners igniting and the flame burning steadily.
  • The sound of the blower motor transitioning from low to high speed as the warm air is distributed throughout your home.

Evaluating If Professional Help Is Needed

While resetting your Goodman furnace can often resolve minor issues, there are situations where professional help may be necessary. Here are some factors to consider:

Indicators that professional help may be needed
The furnace still does not start up or produce warm air.
Unusual or persistent noises continue after the reset.
The diagnostic light on the control board indicates a specific issue that requires expert attention.
You are unsure about performing any further troubleshooting steps.

If you encounter any of these indicators, it is best to reach out to a professional HVAC technician for assistance. They have the knowledge and tools to diagnose and repair more complex furnace issues.

By carefully powering up your furnace, listening for usual sounds of operation, and evaluating if professional help is needed, you can ensure the functionality of your Goodman furnace after performing a reset. Following these steps will help you determine if further action is required or if your furnace is back to working order.

Regular Maintenance Tips

Regular maintenance is crucial to ensure the optimal performance and longevity of your Goodman furnace. By following these routine maintenance tips, you can keep your furnace running efficiently and avoid costly repairs. Here are the essential steps to include in your regular maintenance routine:

Cleaning And Replacing Filters

Regularly cleaning and replacing filters is integral to the proper functioning of your Goodman furnace. Dirty filters can restrict airflow and reduce the efficiency of your system, leading to higher energy consumption and decreased heating performance. Follow these steps to clean and replace the filters:

  1. Turn off the furnace and locate the filter compartment.
  2. Remove the filter from the compartment.
  3. If the filter is reusable, carefully wash it with mild soap and water. Make sure to completely dry it before reinstalling.
  4. If the filter is disposable, replace it with a new one. Ensure you are using the correct filter size and type recommended by Goodman.
  5. Slide the filter back into the compartment, making sure it is securely in place.
  6. Turn on the furnace and monitor the airflow to ensure it is smooth and unrestricted.

Checking And Cleaning Vents

Proper ventilation is essential for the efficient operation of your Goodman furnace. Over time, vents can become clogged with debris, dust, and pet hair, inhibiting airflow and decreasing performance. Follow these steps to check and clean your vents:

  1. Inspect all the vents throughout your home to ensure they are not blocked or obstructed by furniture or other objects.
  2. If you notice any visible debris or dust, use a vacuum cleaner or a soft brush to gently clean the vents.
  3. Pay extra attention to the intake and exhaust vents, as they tend to accumulate more debris.
  4. Ensure that supply vents (that blow warm air) are fully open and unobstructed.
  5. Regularly clean the area around the vents, removing any dust or obstructions that may hinder proper airflow.

Scheduling Professional Inspections

While regular maintenance tasks can be done by homeowners, it is recommended to schedule professional inspections at least once a year to ensure your Goodman furnace is in optimal condition. Qualified technicians can identify potential issues before they escalate and perform comprehensive checks that homeowners might miss. Here’s what to expect during a professional furnace inspection:

  • Thorough examination of all furnace components, including the blower motor, heat exchanger, burners, and electrical connections.
  • Cleaning and lubrication of moving parts to reduce friction and ensure smooth operation.
  • Testing and calibration of thermostats and controls to ensure accurate temperature readings and efficient operation.
  • Inspection of the venting system to ensure proper airflow and safe exhaust of combustion gases.
  • Verification of gas pressure and combustion efficiency to maximize performance and safety.
  • Detection and repair of any potential gas leaks or carbon monoxide issues.

By following these regular maintenance tips and scheduling professional inspections, you can extend the lifespan of your Goodman furnace and enjoy reliable heating performance year after year.

Troubleshoot Common Goodman Furnace Problems

If you’re experiencing issues with your Goodman furnace, troubleshooting common problems can help you avoid unnecessary expenses and ensure your furnace is running efficiently. In this section, we’ll discuss diagnostic error codes and solutions, as well as when to attempt DIY repairs versus calling a professional.

Diagnostic Error Codes And Solutions

Goodman furnaces are equipped with diagnostic error codes that can provide valuable information about the underlying issues. These error codes are displayed on the furnace control board using a series of flashing lights. Understanding the meaning behind these codes is crucial in troubleshooting the problem.

Here are some common error codes you may encounter and their possible solutions:

Error Code Solution
1 flash Check for a blocked air filter or a malfunctioning pressure switch. Clean or replace the air filter and ensure the pressure switch is functioning correctly.
2 flashes Inspect the flame sensor for any dirt or corrosion. Clean the sensor using a light abrasive pad and reposition it properly.
3 flashes Verify if there is an issue with the pressure switch. Check for any obstructions in the venting system or a faulty pressure switch. Remove any obstructions and replace the pressure switch if necessary.
4 flashes Ensure the limit switch and the thermostat are set correctly. Adjust the settings if needed and verify proper airflow throughout the system.

When To Attempt Diy Vs. Calling A Professional

While troubleshooting common Goodman furnace problems can often be done by homeowners, there are certain situations where calling a professional is recommended. Here are some guidelines to help you determine whether you should attempt DIY repairs or seek professional assistance:

  • If the furnace issue can be solved by simple adjustments or cleaning, such as changing the air filter or repositioning the flame sensor, it is usually safe to attempt DIY repairs.
  • However, if the problem involves complex electrical components, gas valves, or requires specialized tools, it is best to leave the repairs to a professional technician.
  • Additionally, if you are unsure about the cause of the problem or have tried troubleshooting without success, it is advisable to contact a professional for diagnosis and repair.

Remember, safety should always be a priority when dealing with furnaces. If you are uncomfortable or unsure about any aspect of the repair process, it’s best to leave it to trained professionals.

How to Reset Goodman Furnace


Frequently Asked Questions Of How To Reset Goodman Furnace

How Do You Manually Reset A Furnace?

To manually reset a furnace, first, turn off the power supply to the furnace by switching off the breaker in the circuit box. Then, locate the reset button on the furnace and press it to reset the furnace. If the button is popped up, press it down.

Finally, return the cover to the blower compartment and turn the power back on.

Why Is My Goodman Furnace Not Starting Up?

If your Goodman furnace isn’t starting up, check the circuit breaker or fuse box first. Reset the circuit or replace a blown fuse if necessary. If that doesn’t work, locate the reset button behind the front access panel and press it.

How Do I Get My Furnace Out Of Lockout Mode?

To get your furnace out of lockout mode, follow these steps: 1. Turn off the power supply to the furnace by switching off the breaker in the circuit box. 2. Locate the reset button on the furnace and press it to reset the furnace.

3. If the button is popped up, press it down. 4. Return the cover to the blower compartment and turn the power back on. (Source: Aireserv)

How Do You Reset The Limit Switch On A Goodman Furnace?

To reset the limit switch on a Goodman furnace, locate the rollout limit switch on the burner assembly. Press and hold the red “Reset” button for one second.


To conclude, resetting a Goodman furnace is a simple process that can help troubleshoot various issues. By following the steps mentioned, such as turning off the power supply, locating the reset button, and pressing it, you can potentially resolve problems and restore your furnace’s functionality.

Remember to check for blown fuses or circuit breakers before proceeding with the reset. By being proactive and knowledgeable in furnace maintenance, you can ensure optimal performance and comfort in your home.

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