Decoding Bryant Furnace Code 33: Causes, Identification, and Solutions

Are you experiencing an error code 33 on your Bryant furnace? Don’t worry, you’re not alone. Many homeowners encounter this issue and it can be quite frustrating.

In this article, we will dive into the details of what Bryant furnace code 33 means on a Bryant furnace and how to effectively troubleshoot and fix it. Understanding furnace error codes is crucial for maintaining the functionality of your heating system and ensuring a comfortable living environment. So, if you’re ready to tackle this problem head-on, let’s get started.

Having a thorough understanding of furnace error codes is essential for any homeowner. It allows you to quickly identify issues with your heating system and take appropriate action. Bryant furnace code 33 on a Bryant furnace indicates that the limit switch, which is responsible for regulating the temperature inside the furnace, has been tripped.

This can be caused by a variety of factors, such as a dirty air filter, blocked vents, or a malfunctioning blower motor. Ignoring this Bryant furnace code 33 can lead to further damage to your furnace and potentially unsafe conditions in your home. Now, here’s an intriguing fact: Did you know that Bryant furnaces are known for their reliability and efficiency?

However, even the most well-maintained furnace can experience errors from time to time. That’s why it’s important to familiarize yourself with the error codes specific to your furnace model, such as Bryant furnace code 33, to effectively troubleshoot and resolve any issues that arise. By understanding these error codes, you can save time and money by avoiding unnecessary service calls and potentially costly repairs.

In the following sections, we will delve deeper into the causes of Bryant furnace code 33 on a Bryant furnace, how to identify this error, and most importantly, how to solve it. So, if you’re ready to become a furnace troubleshooting pro, let’s continue reading.

Summary in three points

  • Understanding Furnace Error Codes: Explains what Code 33 and Code 13 mean on a Bryant furnace and how to read furnace error codes.
  • Solving Bryant Furnace Code 33: Provides information on the causes of Code 33 and how to fix it, including resetting the code.
  • Bryant Furnace Code 13: Describes the causes of Code 13 on a Bryant furnace and provides guidance on how to fix it. ###

bryant furnace code 33

What Does Code 33 Mean on a Bryant Furnace?

When faced with the enigmatic Code 33, a Bryant furnace offers a few possibilities for its origin. From a faulty flame sensor to clogged burners or a malfunctioning ignition control module, this code signifies troubles within the furnace’s ignition system. Such problems can result in a lack of heat and potentially hazardous conditions.

Thankfully, there are steps you can take to rectify the situation if Code 33 appears on your Bryant furnace. Begin by ensuring the flame sensor is clean and ready for ignition. Then, diligently check and remove any obstructions within the burner.

Should these measures prove ineffective, troubleshooting and repairing the ignition control module may be necessary. Gaining a comprehensive understanding of Code 33 and its underlying causes is pivotal in diagnosing and resolving furnace issues. By diligently following the appropriate steps, you can guarantee that your Bryant furnace operates both efficiently and securely.

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How to Read a Furnace Error Code

Decoding Furnace Error Codes : Unveiling the Secrets of Your Heating System In the intricate realm of furnace troubleshooting, a key element lies in unraveling the mysterious error codes. These cryptic symbols hold the power to unlock the secrets of your furnace, shedding light on the underlying issues and enabling you to tackle them head-on. Each error code serves as a breadcrumb, guiding you towards the heart of the problem.

Whether it’s a misbehaving sensor or a rebellious burner, these codes hold the key to understanding what ails your heating system. Armed with this knowledge, you can swiftly identify the root cause and embark on the journey towards a resolution. However, deciphering furnace error codes requires a roadmap, a guiding hand to navigate through the labyrinth.

A step-by-step guide becomes your trusted companion, illuminating the path towards comprehending the codes’ significance and determining the necessary actions to rectify the situation. With this invaluable resource, you become the master of your furnace’s destiny, capable of troubleshooting and potentially resolving the issue single-handedly. In essence, the significance of understanding furnace error codes cannot be overstated.

It is the cornerstone of troubleshooting and diagnosing furnace woes. By immersing yourself in the realm of these codes, their meanings, and following the guidance of a step-by-step guide, you possess the power to decipher and interpret furnace error codes with unparalleled finesse. The mysteries of your heating system will be laid bare, and you will emerge victorious in the face of any challenge that dares to arise.

What Is Code 13 on a Furnace?

When Code 13 appears on your furnace, it signifies an issue with the pressure switch, disrupting the airflow for combustion. This can result in performance problems for your furnace. The causes of Code 13 can range from a faulty pressure switch, a blocked vent or flue pipe, to a malfunctioning control board.

To rectify the problem, you can test the pressure switch and repair or replace it if needed. Clearing any obstructions in the vent or flue pipe is also crucial. If the control board is at fault, it will require repair or replacement.

By addressing these causes and following the necessary steps, you can restore your furnace’s performance. Swiftly attending to Code 13 is vital to prevent further damage and ensure the safety of your home.

The Causes of Code 33

In the realm of Bryant furnaces, a mysterious code 33 may arise, leaving homeowners perplexed. This enigmatic code can be attributed to various culprits, such as a wayward flame sensor, obstructed or soiled burners, or even a rebellious ignition control module. As a result, the furnace’s ignition may become erratic, ultimately triggering the code 33 error.

Fear not, for there are remedies to this conundrum. Begin by delicately cleansing the flame sensor , eliminating any obstructions within the burners, and diligently troubleshooting or mending the ignition control module . By undertaking these endeavors, you shall restore harmony to your furnace, ensuring its seamless functionality.

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How to Reset a Bryant Furnace with Code 33

  1. Turn off the power to your Bryant furnace.
  2. Locate the two switches on the control board labeled “R1” and “W1”.
  3. Flip the “R1” switch to the “Off” position and then flip the “W1” switch to the “On” position.

How to Identify Code 33

In the mysterious realm of Bryant furnaces, a peculiar phenomenon known as Code 33 has been known to occur. It is a signal, a cry for help, emanating from the depths of this mechanical marvel. But fear not, for there are clues to guide you on this treacherous journey.

Listen closely, for the furnace may come alive, only to be silenced within seconds. A haunting clicking sound may accompany this enigmatic shutdown. And lo, the furnace may embark on a cycle of starting and stopping, like a restless ghost, failing to fill your home with warmth.

To unravel this enigma, cast your gaze upon the flame sensor, a humble metallic rod nestled near the burners. It should gleam with purity, untouched by the ravages of time. Should you witness any sign of corruption, be it debris or discoloration, the flame sensor may require your attention.

Cleanse it of its impurities or bid it farewell and seek a replacement. But wait, there is more to this tale. The burners themselves may hold secrets of their own.

If they bear the marks of dirt, rust, or debris, they could be the culprit behind Code 33. These unwanted guests disrupt the flow of gas and extinguish the flames of ignition. Banish them, dear reader, clear their path and restore the harmony of combustion.

Armed with these revelations, you now possess the power to vanquish the Code 33 error that plagues your Bryant furnace. Take heed, inspect the flame sensor and burners, and let the light of understanding guide your hand.

How to Fix Code 33 on a Bryant Furnace

In the intricate world of Bryant furnaces, there exists a code known as Code 33. When this code appears on your furnace, it signifies a problem that needs to be addressed. Fear not, for there are steps you can take to rectify the issue and bring your furnace back to its former glory.

The first step in this journey is to clean the flame sensor. This small yet mighty component plays a crucial role in ensuring proper ignition. By gently wiping it with a soft cloth or fine-grit sandpaper, you can remove any dirt or residue that may be hindering its performance.

With this simple act of cleansing , the Code 33 error can be vanquished. But what if the problem persists ? Fear not, for there is another path to explore.

Take a moment to inspect the burner of your furnace. Debris, dust, or even rust can sneakily find their way into its sacred chambers, obstructing the flow of gas and causing ignition woes. With a careful eye and a determined spirit, remove any obstructions you may find and restore harmony to your furnace’s fiery heart.

Yet, in some cases, the problem may elude these initial attempts at resolution. The culprit could be none other than the ignition control module. This master of ceremonies holds the power to initiate the furnace’s ignition sequence and regulate its operations.

Should this module falter, it triggers the dreaded Code 33 error. In such instances, seeking the aid of a professional HVAC technician is wise, as they possess the knowledge and expertise to diagnose and repair this intricate mechanism. In the end, it is through these steps that you can navigate the labyrinth of Code 33 and emerge victorious.

Your Bryant furnace will once again bask in its optimal performance, providing you with warmth and comfort. However, should you find yourself unsure or uncomfortable in performing these tasks, do not hesitate to reach out to a professional for assistance. They are there to guide you through this journey and ensure the triumph of your furnace.

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Resetting the Code on a Bryant Furnace

In the intricate world of furnace repair, there exists a pivotal task that stands as the gateway to resolution: resetting the code on a Bryant furnace. This sacred ritual holds the power to clear errors and unveil potential solutions. Allow me to guide you through the steps:

1. Embark on a quest to find the control panel, concealed behind a removable panel or small door, eagerly awaiting your discovery.

2. Behold the enigmatic reset button, adorned with the labels “Reset” or “Clear,” positioned near the display screen or control board, beckoning for your touch.

3. With a tool as humble as a paperclip or pen, embrace the reset button with a firm yet gentle grasp, holding it captive for approximately 10 seconds. In this act, the code is reset, and errors dissipate like ethereal whispers.

4. As you release the button, an interlude ensues, a moment of anticipation as the furnace reawakens. Listen intently, for the resounding symphony of the blower fan and the triumphant ignition of burners shall soon serenade your ears. Indeed, the act of resetting the code is a vital ritual in the realm of troubleshooting.

It grants the furnace a fresh start, a chance for rebirth, and the potential to vanquish any lingering issues. However, should the problems persist, or the code stubbornly resurface, it is wisest to seek the counsel of an HVAC technician, a master of their craft. Entrust them with the arduous task of diagnosing and rectifying underlying matters.

For, in matters of safety, it is paramount to defer to the expertise of those who possess it.

If your Bryant furnace is blowing cold air and displaying error code 33, you may be experiencing an issue with the limit switch. Watch this video to learn more about troubleshooting and resolving this problem.

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Manually Resetting a Furnace

Reviving a Furnace: A Simple Guide to Resetting When it comes to troubleshooting a furnace, understanding how to manually reset it is essential. This straightforward process can eliminate error codes and restore your furnace to optimal performance. Here’s what you need to do:

1. Power down: Before attempting a reset, ensure that the power supply is switched off. Flip the switch on the furnace or deactivate the circuit breaker connected to it.

2. Locate the reset button: Look for a small button, usually red or yellow, on the furnace. It may be labeled “reset” or feature a corresponding icon.

3. Press and hold: With the power off, press and hold the reset button for approximately 30 seconds. This action discharges any remaining power and resets the furnace’s internal components.

4. Restore power: Release the reset button and restore power to the furnace by flipping the switch or turning on the circuit breaker.

5. Monitor the furnace: Once power is restored, keep a close eye on the furnace to ensure it starts up correctly and that the error codes are resolved. If the furnace continues to display error codes or fails to start, it’s advisable to seek assistance from a professional technician. Following the correct reset procedures is crucial to prevent further complications or damage.

If you’re uncertain or encounter difficulties, it’s wise to consult a qualified technician for guidance and avoid potential ramifications.

bryant furnace code 33

The Causes of Code 13

When encountering a Code 13 error on a furnace, swift action is crucial. There are several potential causes for this issue. One possibility is a defective pressure switch that hampers airflow.

Another factor could be a blocked vent or flue pipe that disrupts the flow of air. Additionally, a malfunctioning control board may be sending erroneous signals. To effectively address the problem, it is advisable to seek the expertise of a skilled HVAC technician who can accurately diagnose and resolve the issue.

How to Fix Code 13 on a Bryant Furnace

Do not fret if you encounter Code 13 on your Bryant furnace; there is a solution. Begin by ensuring that the pressure switch is functioning correctly, as it plays a vital role in the furnace’s operation. Next, carefully inspect the vent and flue pipe for any blockages that may disrupt airflow and trigger Code 13.

Clearing these obstructions will enhance the furnace’s performance . If troubleshooting the pressure switch and clearing the vent or flue pipe does not resolve the issue, consider repairing or replacing the control board. This crucial component regulates the furnace’s operations and can be the cause of Code 13.

By diligently following these steps, you will successfully rectify Code 13 on your Bryant furnace. Remember to prioritize safety and seek professional assistance if any troubleshooting steps make you uncertain or uncomfortable.

Furnace Troubleshooting Steps – Tabelle

Step Description
Step 1 Check the air filter for blockages or dirt buildup. A dirty air filter can restrict airflow and reduce the efficiency of the furnace. It is recommended to replace the air filter every 1-3 months.
Step 2 Inspect the condensate drain for clogs or obstructions. A clogged condensate drain can cause water leakage and affect the performance of the furnace. Clear any blockages and ensure proper drainage.
Step 3 Verify that the flue pipe is clear and free from debris. A blocked flue pipe can lead to improper ventilation and potential safety hazards. Ensure the flue pipe is clean and unobstructed.
Step 4 Ensure the blower motor is functioning properly. The blower motor is responsible for circulating air throughout the system. Check for any unusual noises, vibrations, or lack of airflow. If needed, clean or replace the blower motor.
Step 5 Check the pressure switch and tubing for any defects. The pressure switch ensures proper airflow and safety. Inspect the switch and tubing for any damage or blockages. Replace if necessary.
Step 6 Inspect the ignition system for proper operation. The ignition system ignites the fuel to generate heat. Check for a steady and consistent ignition spark or flame. Clean or replace any faulty components.
Step 7 Verify that the gas supply is sufficient and not interrupted. Ensure the gas valve is open and there are no issues with the gas supply. If there are any concerns, contact your gas provider or a professional technician.
Step 8 Reset the furnace control board to clear any temporary faults. Locate the furnace control board and follow the manufacturer’s instructions to perform a reset. This can help resolve minor issues or error codes.
Step 9 Contact a professional HVAC technician if the issue persists. If the furnace still doesn’t work properly after performing the above steps, it is recommended to seek assistance from a certified HVAC technician. They have the expertise to diagnose and repair complex furnace problems.

Bryant Furnace LED Codes 3 Short 2 Long

Having issues with your Bryant furnace? LED codes play a crucial role. Among them, you may come across a code that consists of 3 short and 2 long flashes.

This particular code points to a problem with the pressure switch, a vital component for ensuring proper airflow before ignition. To resolve this issue, carefully examine the pressure switch for any faults and clean it if necessary. Additionally, take a moment to inspect the vent and flue pipe for any potential blockages and clear them out if needed.

In the event that the problem persists, it may be necessary to repair or replace the control board. If you find yourself unsure of how to proceed, it is always wise to seek the assistance of a professional HVAC technician. By comprehending and effectively addressing these LED codes, you can ensure the smooth operation of your furnace.

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What Does a Solid Yellow Light on Bryant Furnace Mean?

When a Bryant furnace emits a steady yellow light, it signals potential issues that demand attention. These problems may include a faulty gas valve, resulting in a chilling absence of warmth within the confines of your home. Alternatively, a clogged air filter might restrict airflow, leading to overheating of the furnace.

Another probable cause could be a malfunctioning flame sensor. To rectify the situation, one must inspect the gas valve, clean or replace the air filter, and clean or replace the flame sensor if necessary. Swift action is imperative to prevent further harm or the release of harmful carbon monoxide.

If uncertain about these repairs, it is wise to enlist the assistance of a qualified HVAC technician who possesses the expertise to diagnose and safely resolve the issue.

What Does a Solid Red Light on My Bryant Furnace Mean?

If you see a solid red light on your Bryant furnace, it’s a sign of trouble that requires immediate attention. This light indicates a malfunction that, if left unaddressed, could lead to further damage. There are a few possible causes for the red light on your furnace.

It could be a faulty ignition control module, a dirty or blocked burner, or a malfunctioning pressure switch. These issues can disrupt your furnace’s operation and may necessitate troubleshooting and repairs. To resolve the solid red light on your Bryant furnace, follow these steps.

First, check the ignition control module to ensure it’s functioning properly. Clean or replace any dirty or blocked burners that could impede the gas flow. Finally, test the pressure switch to verify its proper functioning and replace it if necessary.

It’s vital to address a solid red light on your Bryant furnace promptly to ensure both its safety and optimal performance. Ignoring this indicator light could result in further damage or potential hazards. By troubleshooting and resolving the issue, you can restore your furnace’s functionality and maintain a warm and secure home.

Troubleshooting Code 33 on a Bryant Furnace: Understanding the Error and Solutions

  • Code 33 on a Bryant furnace indicates a limit circuit fault.
  • Understanding furnace error codes can help homeowners troubleshoot and resolve issues without calling a technician.
  • Reading a furnace error code involves locating the LED indicator on the furnace and deciphering the flashing pattern.
  • Code 13 on a furnace typically indicates a limit circuit lockout due to a blocked vent or restricted airflow.
  • The causes of code 33 on a Bryant furnace can include a dirty air filter, blocked vent, or a faulty limit switch.
  • To identify code 33, look for three flashes followed by three-second pause on the furnace’s LED indicator.
  • To fix code 33 on a Bryant furnace, homeowners can try cleaning or replacing the air filter, checking and clearing any obstructions in the vent, or replacing a faulty limit switch.
  • Resetting the code on a Bryant furnace can be done by turning off the power to the furnace for a few minutes and then turning it back on.

Bryant Plus 90 Furnace Troubleshooting

The Bryant Plus 90 furnace, a dependable and efficient heating system, can encounter occasional troubleshooting problems. To maintain smooth operation, it’s crucial to understand these issues and their solutions. One common problem is a lack of heat, often caused by a dirty air filter, a malfunctioning thermostat, or a faulty ignition system.

To address this, start by checking and replacing the air filter if necessary. Ensure the thermostat is set correctly and functioning properly. If the issue persists, it’s advisable to contact a professional HVAC technician to inspect and repair the ignition system.

Regular maintenance is vital for optimal furnace function. This entails regularly cleaning or replacing the air filter, inspecting and cleaning the burners, and lubricating any movable parts. By performing these tasks, you not only prevent common issues but also prolong the furnace’s lifespan and ensure efficient performance.

In conclusion, by acquainting yourself with common troubleshooting problems, knowing how to identify and resolve them, and prioritizing regular maintenance, you can maintain your Bryant Plus 90 furnace in exceptional condition. This guarantees reliable and efficient heating throughout the year.

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What Causes Limit Circuit Lockout?

Imagine a world where the heart of your home, the furnace, encounters a perplexing problem. Like a master detective, it experiences a limit circuit lockout , leaving you in a state of bewilderment. But fear not, for the culprit may not be as elusive as it seems.

In the intricate web of electrical systems, a tangled mess of faulty wiring and loose connections can easily bring about this predicament. A tripped circuit breaker, like a mischievous imp, can also throw a wrench into the works. Yet, there is another player in this enigmatic game – the limit switch.

This watchful guardian, nestled within the furnace, keeps a vigilant eye on its temperature. However, even the noblest of sentinels can falter, and a malfunctioning limit switch can trigger the lockout sequence. But do not despair!

A glimmer of hope shines through the darkness. Regular maintenance, akin to a knight’s duty, can fend off these lockouts and ensure the furnace’s vitality. By diligently inspecting and cleansing the furnace, as well as replacing the air filter, you can keep the airflow pristine and the lockouts at bay.

Take hold of the reins, seize the power of knowledge, and shield yourself from the frustration of a lockout. With a little understanding and a touch of maintenance, your furnace shall reign supreme, running smoothly and bringing warmth to your abode.

Bryant Furnace Limit Switch

In the intricate workings of your furnace, one component stands as a guardian of its performance – the Bryant furnace limit switch. This vigilant device diligently monitors the temperature within, ensuring that it never surpasses the boundaries of safety. Yet, even the noblest of switches can encounter obstacles along its path, such as faulty wiring or the encroachment of dirt.

To preserve the seamless operation of your furnace, the touch of a professional’s hand becomes imperative, for they possess the knowledge and expertise needed to maintain the limit switch’s proper functioning. By granting care and attention to this unsung hero, your furnace shall continue its harmonious dance, orchestrating warmth and efficiency in unison.

Did you know that Bryant furnaces are named after the company’s founder, Charles Bryant?


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How to Read Your Bryant Model Number

When it comes to troubleshooting and fixing your Bryant furnace, having a good grasp of the model number is absolutely essential. This number holds valuable information about your unit, such as its unique features, specifications, and age. Typically, the model number consists of a combination of letters and numbers that reveal important details about the furnace.

For instance, the letters at the beginning might indicate the furnace’s type or series, like “EV” for Evolution Series or “PA” for Preferred Series. The numbers that follow the letters often provide insight into the furnace’s capacity or size, giving you a clearer understanding of its heating or cooling capabilities. Understanding the model number is crucial for troubleshooting purposes.

It enables you to identify compatible replacement parts, determine if your furnace is still covered by warranty, and access the necessary manuals or technical information. Moreover, knowing the age of your furnace helps you anticipate its expected lifespan and plan for future maintenance or replacement. To decode and interpret the model number of your Bryant furnace, refer to the manufacturer’s documentation or seek guidance from a qualified HVAC professional.

They can walk you through the process and provide a detailed explanation of your specific furnace model. By understanding your Bryant model number, you’ll be equipped to troubleshoot efficiently and carry out accurate repairs.

bryant furnace code 33

1/2 Have a Question? Ask HVAC Technician

If you find yourself grappling with HVAC troubles, do not hesitate to reach out to a skilled technician. With their expertise and know-how, they can effectively tackle common issues and provide optimal solutions. One prevalent concern involves error codes such as Code 33 or Code 13, which pinpoint specific furnace malfunctions.

A technician possesses the ability to accurately diagnose and rectify these problems. It remains crucial to seek professional assistance, as attempting to resolve intricate issues on your own may exacerbate the damage and lead to costly repairs. HVAC systems necessitate specialized knowledge.

By enlisting the services of a professional, you can ensure the problem is addressed correctly. When on the lookout for a technician, be sure to inquire about recommendations and verify their licensing, certification, and reviews. A reputable technician will possess the necessary qualifications and experience.

Bear in mind, when it comes to HVAC issues, entrusting the task to experts is always the wisest course of action. Waste no time and contact a professional technician today to restore comfort to your home.


In conclusion, understanding furnace error codes, such as code 33 on a Bryant furnace, is essential for homeowners to troubleshoot and resolve issues with their heating systems. This article has provided valuable information on how to read and interpret these error codes, specifically focusing on code 33 and code 13. By understanding the causes of these codes and following the recommended solutions, homeowners can effectively solve problems with their Bryant furnaces.

Additionally, the article has touched upon other troubleshooting tips, such as understanding LED codes and limit circuit lockout. Overall, this comprehensive guide serves as a helpful resource for anyone experiencing issues with their Bryant furnace. For further assistance, readers can explore our other articles on furnace troubleshooting and maintenance.

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