Navien Boiler Error Codes

When it comes to Navien boiler error codes, understanding the signals your boiler system is sending can make a significant difference in resolving issues promptly. As a homeowner who has dealt with Navien boiler error codes myself, I know how frustrating it can be when your heating system doesn’t operate as expected. In this article, we’ll delve into the various error codes that Navien boilers may display, decoding these messages to help you troubleshoot effectively.

Common Navien Boiler Error Codes

When it comes to troubleshooting your Navien boiler, understanding the error codes it may display is crucial. These error codes are like your boiler’s unique language, providing insight into what might be causing issues. Let’s delve into some common Navien boiler error codes:

Error Code 001: This code typically indicates a flame loss during operation. It could be triggered by issues with the gas supply, ignition, or ventilation. Checking these components and ensuring everything is functioning properly can help resolve this error.
Error Code 002: A common culprit for this code is a problem with the air supply or exhaust. Checking for any blockages, ensuring proper ventilation, and examining the air intake can often address this issue.
Error Code 003: This code usually points to a flame detection issue. Cleaning the flame rod, checking for proper grounding, and ensuring the flame sensor is in good condition are steps that can be taken to troubleshoot this error.
Error Code 101: An error related to abnormal air pressure, Error Code 101 may require checking the venting system, air pressure sensor, and exhaust conditions to diagnose and fix the issue.
Error Code 108: This code is related to abnormal gas pressure. Problems with the gas valve, gas supply, or even the compatibility of gas types can lead to this error. Ensuring the gas components are operating correctly is essential in resolving Error Code 108.

Remember, while these are common Navien boiler error codes, it’s always best to consult your boiler manual for specific instructions on how to address each error. If you’re unsure or uncomfortable with any troubleshooting steps, contacting a professional technician is recommended to ensure the safety and efficiency of your boiler.

E001: Flow sensor

One of the first error codes you might encounter with your Navien boiler is error code 001. This code typically indicates a problem with the ignition. Check for any issues with the gas supply or the igniter to address this error promptly.

If you come across error code 003 on your Navien boiler, it points towards a flame loss during operation. This could be due to various reasons such as a blocked flue or issues with the gas supply. It’s essential to investigate and resolve the root cause to prevent further interruptions in heating.

Error code 010 is another common issue that Navien boiler owners might face. This code signifies a problem with the flow sensor. Ensure that the sensor is clean and properly connected to restore your boiler’s functionality.

Should you see error code 027 on your Navien boiler, it indicates an overheating problem. This could be a result of issues with the circulation pump or flow adjustment valve. Addressing this error promptly is crucial to prevent any damage to the boiler.

Navien boilers may also display error code 108, signaling a problem with the air pressure sensor. Checking the air intake and exhaust vent for any blockages can help resolve this issue and ensure smooth operation of your boiler.

Error code 001: Ignition problem
Error code 003: Flame loss during operation
Error code 010: Flow sensor issue
Error code 027: Overheating problem
Error code 108: Air pressure sensor problem

E003: Ignition failure

Encountering error codes on your Navien boiler can be frustrating, but understanding what they signify can help you troubleshoot and resolve issues effectively. Here are some common Navien boiler error codes:

Error code 001: Ignition problem
Error code 003: Flame loss during operation
Error code 010: Flow sensor issue
Error code 027: Overheating problem
Error code 108: Air pressure sensor problem

E010: Exhaust temperature sensor

Encountering error codes on your Navien boiler is a common occurrence that can disrupt your heating system’s operation. Understanding these error codes is key to effectively troubleshooting and resolving any issues that may arise.

One of the common error codes you may come across is 001, which typically points towards an ignition problem. It’s essential to check the gas supply and igniter to address this issue promptly and ensure your boiler functions correctly.

Error code 003 on your Navien boiler indicates a flame loss during operation. This could be caused by various factors like a blocked flue or gas supply issues. Investigating the root cause of this error is crucial to prevent further interruptions in your heating system.

Another frequent error code is 010, signaling a problem with the flow sensor. Keeping the sensor clean and properly connected is necessary to restore your boiler’s functionality and maintain efficient heating.

If your Navien boiler displays error code 027, it signifies an overheating problem. Issues with the circulation pump or flow adjustment valve could be the culprits. Addressing this error promptly is essential to safeguard your boiler from damage.

Individuals with Navien boilers may encounter error code 108, which indicates an issue with the air pressure sensor. Checking for blockages in the air intake and exhaust vent can help resolve this problem and ensure your boiler operates smoothly.

Error code 001: Ignition problem
Error code 003: Flame loss during operation
Error code 010: Flow sensor issue
Error code 027: Overheating problem
Error code 108: Air pressure sensor problem

E012: Flame detection

When it comes to Navien boiler error codes, staying informed is the key to maintaining a well-functioning heating system. Let’s delve into some common error codes you might encounter and how to address them effectively.

Error code 001: Ignition problem
Error code 003: Flame loss during operation
Error code 010: Flow sensor issue
Error code 027: Overheating problem
Error code 108: Air pressure sensor problem

E022: Abnormal operation

Encountering error codes on your Navien boiler can be frustrating, but understanding what they mean can help you troubleshoot effectively. Here are some common Navien boiler error codes you might come across:

Error code 001: This code typically indicates an ignition problem, which could be due to various reasons like gas supply issues or faulty components. It’s crucial to check your gas supply and ignition system to resolve this error.
Error code 003: If you see this code, it points to flame loss during the boiler’s operation. It’s essential to inspect the burner, gas supply, and ventilation system to ensure proper operation.
Error code 010: A flow sensor issue is indicated by this error code. You may need to clean or replace the flow sensor to restore proper functioning of your Navien boiler.
Error code 027: Overheating problems can trigger this error code. Check your boiler for any blockages, ensure proper ventilation, and verify that the pump is working correctly to address this issue.
Error code 108: When you encounter this error, it signals a problem with the air pressure sensor. Inspect the sensor and its connections to determine if any adjustments or replacements are necessary.

E110: Overheating

Error code 001: This code typically indicates an ignition problem, which could be due to various reasons like gas supply issues or faulty components. It’s crucial to check your gas supply and ignition system to resolve this error.
Error code 003: If you see this code, it points to flame loss during the boiler’s operation. It’s essential to inspect the burner, gas supply, and ventilation system to ensure proper operation.
Error code 010: A flow sensor issue is indicated by this error code. You may need to clean or replace the flow sensor to restore proper functioning of your Navien boiler.
Error code 027: Overheating problems can trigger this error code. Check your boiler for any blockages, ensure proper ventilation, and verify that the pump is working correctly to address this issue.
Error code 108: When you encounter this error, it signals a problem with the air pressure sensor. Inspect the sensor and its connections to determine if any adjustments or replacements are necessary.

E515: Combustion failure

Error code 001: This code typically indicates an ignition problem, which could be due to various reasons like gas supply issues or faulty components. It’s crucial to check your gas supply and ignition system to resolve this error.
Error code 003: If you see this code, it points to flame loss during the boiler’s operation. It’s essential to inspect the burner, gas supply, and ventilation system to ensure proper operation.
Error code 010: A flow sensor issue is indicated by this error code. You may need to clean or replace the flow sensor to restore proper functioning of your Navien boiler.
Error code 027: Overheating problems can trigger this error code. Check your boiler for any blockages, ensure proper ventilation, and verify that the pump is working correctly to address this issue.
Error code 108: When you encounter this error, it signals a problem with the air pressure sensor. Inspect the sensor and its connections to determine if any adjustments or replacements are necessary.

Troubleshooting Navien Boiler Error Codes

When dealing with Navien boiler error codes, it’s crucial to understand what each code indicates to effectively troubleshoot any issues that may arise. These error codes are designed to help pinpoint problems within the boiler system quickly.

If you encounter an error code on your Navien boiler, the first step is to refer to the manufacturer’s manual. The manual will provide a list of error codes specific to your model, along with instructions on how to address each one.

One common Navien boiler error code is Error Code 001. This code typically indicates a problem with the ignition. To troubleshoot this issue, check for any obstructions in the venting system or inspect the gas supply to ensure it is reaching the unit properly.

Another frequent error code is Error Code 003, which often points to a lack of water pressure. In this case, you can check the water inlet valve to ensure it is fully open and that there are no leaks in the system causing the pressure drop.

For Error Code 010, which typically indicates a problem with the flame rod, you may need to clean or replace the flame rod to resolve the issue. Regular maintenance of this component can help prevent this error from recurring.

It’s important to approach troubleshooting Navien boiler error codes methodically. By understanding what each code signifies and following the recommended steps in the manual, you can effectively address issues and ensure your boiler operates efficiently.

Check for gas supply issues

Handling Navien boiler error codes can be perplexing, but with a bit of know-how, you can tackle them like a pro. Let’s dive into a few more Navien boiler error codes you might face:

Error code 016: This code typically signifies a problem with the thermistor. It’s advisable to check the wiring and connections to the thermistor to troubleshoot this issue effectively.
Error code 027: An error related to the flow sensor can disrupt your boiler’s performance. Cleaning or replacing the flow sensor might be necessary to resolve this error and get your Navien boiler back on track.
Error code 035: When this code appears, it indicates a dual venturi issue. Inspecting the venturi for any obstructions and ensuring proper alignment can help in resolving this error promptly.
Error code 041: A gas valve issue triggers this error code. Verifying the gas supply, checking for leaks, and ensuring the gas valve is functioning correctly are crucial steps to address this error effectively.
Error code 108: Similar to error code 108, this error also points to an air pressure sensor problem. Conduct a thorough check of the sensor and its connections to rectify any issues causing this error.

Inspect and clean the filters

When facing Navien boiler error codes, each code provides a clue to the underlying issue affecting your boiler’s performance. Let’s explore a few more Navien boiler error codes that you might encounter:

Error code 016: This particular code is often linked to a problem with the thermistor. To troubleshoot error code 016 effectively, examining the wiring and connections to the thermistor is essential.
Error code 027: An error associated with the flow sensor can cause disruptions in your boiler’s operation. To address error code 027, consider cleaning or replacing the flow sensor to restore your Navien boiler’s efficiency.
Error code 035: When error code 035 appears, it indicates a dual venturi issue. Checking the venturi for any blockages and ensuring correct alignment can help you quickly resolve this error.
Error code 041: If you encounter error code 041, a gas valve malfunction is the likely culprit. It’s crucial to verify the gas supply, inspect for leaks, and confirm proper gas valve operation to resolve this error effectively.
Error code 108: Similar to error code 108, this error also indicates an air pressure sensor problem. To address this issue, carefully examine the sensor and its connections to identify and fix any issues causing error code 108.

Reset the boiler

Error code 016: This particular code is often linked to a problem with the thermistor. To troubleshoot error code 016 effectively, examining the wiring and connections to the thermistor is essential.
Error code 027: An error associated with the flow sensor can cause disruptions in your boiler’s operation. To address error code 027, consider cleaning or replacing the flow sensor to restore your Navien boiler’s efficiency.
Error code 035: When error code 035 appears, it indicates a dual venturi issue. Checking the venturi for any blockages and ensuring correct alignment can help you quickly resolve this error.
Error code 041: If you encounter error code 041, a gas valve malfunction is the likely culprit. It’s crucial to verify the gas supply, inspect for leaks, and confirm proper gas valve operation to resolve this error effectively.
Error code 108: Similar to error code 108, this error also indicates an air pressure sensor problem. To address this issue, carefully examine the sensor and its connections to identify and fix any issues causing error code 108.

Check the thermostat settings

When dealing with Navien boiler error codes, understanding what each code signifies can be key to resolving issues efficiently. Here are a few more Navien boiler error codes that may appear and how you can troubleshoot them:

Error code 016: This code typically points to a problem with the thermistor. To troubleshoot error code 016, make sure to inspect the wiring and connections related to the thermistor for any issues.
Error code 027: A disruption in your boiler’s operation might be due to an error with the flow sensor. To address error code 027, consider cleaning or replacing the flow sensor to restore proper functioning.
Error code 035: When error code 035 shows up, it suggests a dual venturi issue. Check for any obstructions in the venturi and ensure it is correctly aligned to resolve this error promptly.
Error code 041: If error code 041 appears, a malfunction in the gas valve could be the cause. Verify the gas supply, inspect for leaks, and ensure the gas valve is operating correctly to fix this error.
Error code 108: Like error code 108, this error also indicates a problem with the air pressure sensor. Carefully examine the sensor and its connections to identify and address any issues linked to error code 108.

Inspect the ignition system

When encountering Navien boiler error codes, it’s important to have a grasp of what each code indicates to efficiently tackle any underlying problems. Here are a few additional Navien boiler error codes you might come across and steps to troubleshoot them:

Error code 016: This code usually signals an issue with the thermistor. To troubleshoot error code 016 effectively, check the thermistor wiring and connections for any faults.
Error code 027: A disruption in boiler operation may be linked to a problem with the flow sensor. To address error code 027, consider cleaning or replacing the flow sensor for optimal performance restoration.
Error code 035: Error code 035 points to a dual venturi problem. Inspect the venturi for any blockages and ensure proper alignment to swiftly resolve this error.
Error code 041: When error code 041 appears, a malfunctioning gas valve could be the root cause. Verify the gas supply, look for leaks, and ensure the gas valve is functioning correctly to rectify this error.
Error code 108: Similar to error code 108, this code also suggests an issue with the air pressure sensor. Thoroughly examine the sensor and its connections to identify and resolve any concerns related to error code 108.

Preventive Maintenance for Navien Boilers

When it comes to dealing with Navien boiler error codes, preventive maintenance plays a crucial role in keeping your system running smoothly. As a proud owner of a Navien boiler myself, I have learned the importance of regular upkeep to avoid those pesky error codes disrupting my comfort.

Here are some preventive maintenance tips that have helped me minimize the chances of encountering error codes on my Navien boiler:

Regularly check and clean the air intake and exhaust vents to ensure proper ventilation and avoid blockages that could trigger error codes.
Monitor the boiler’s water pressure and temperature to catch any fluctuations early on, preventing potential errors down the line.
Schedule annual professional maintenance to have a certified technician inspect and service your Navien boiler thoroughly.
Keep an eye on the boiler’s display for any warning signs or error codes, and address them promptly to prevent further issues.
Consider installing a water softener if you live in an area with hard water to prevent mineral buildup that can affect your boiler’s performance.

By staying proactive with preventive maintenance efforts, you can reduce the likelihood of encountering error codes on your Navien boiler and enjoy uninterrupted warmth and comfort in your home.

Regular inspections

When it comes to maintaining Navien boilers, proactive measures can significantly reduce the occurrence of error codes and ensure smooth operation. Preventive maintenance is key to prolonging the lifespan of your boiler and minimizing the need for troubleshooting. Here are some preventive maintenance tips for Navien boilers:

Regular Inspections: Conduct routine inspections of your Navien boiler to check for any signs of wear, leaks, or irregularities. Addressing minor issues early can prevent them from escalating into major problems that trigger error codes.
Clean Filters: Keep the filters of your Navien boiler clean to maintain proper airflow and heating efficiency. Clogged filters can strain the system, leading to performance issues and potential error codes.
Flush System: Periodically flush the boiler system to remove any buildup of sediment or debris. This simple maintenance task can prevent blockages and optimize the operation of your Navien boiler.
Check Venting: Ensure that the venting of your Navien boiler is clear of obstructions to prevent issues with ventilation and exhaust. Proper venting is essential for the safe and efficient operation of the boiler.
Monitor Pressure: Regularly monitor the pressure gauge on your Navien boiler to ensure it operates within the recommended range. Fluctuations in pressure can indicate underlying issues that may lead to error codes if left unaddressed.
Professional Servicing: Schedule annual maintenance by a qualified technician to inspect and service your Navien boiler. Professional maintenance can identify potential problems early on and keep your boiler in optimal condition.

Cleaning and maintenance schedule

Regular Inspections: Conduct routine inspections of your Navien boiler to check for any signs of wear, leaks, or irregularities. Addressing minor issues early can prevent them from escalating into major problems that trigger error codes.
Clean Filters: Keep the filters of your Navien boiler clean to maintain proper airflow and heating efficiency. Clogged filters can strain the system, leading to performance issues and potential error codes.
Flush System: Periodically flush the boiler system to remove any buildup of sediment or debris. This simple maintenance task can prevent blockages and optimize the operation of your Navien boiler.
Check Venting: Ensure that the venting of your Navien boiler is clear of obstructions to prevent issues with ventilation and exhaust. Proper venting is essential for the safe and efficient operation of the boiler.
Monitor Pressure: Regularly monitor the pressure gauge on your Navien boiler to ensure it operates within the recommended range. Fluctuations in pressure can indicate underlying issues that may lead to error codes if left unaddressed.
Professional Servicing: Schedule annual maintenance by a qualified technician to inspect and service your Navien boiler. Professional maintenance can identify potential problems early on and keep your boiler in optimal condition.

Professional servicing

Regular Inspections: Conduct routine inspections of your Navien boiler to check for any signs of wear, leaks, or irregularities. Addressing minor issues early can prevent them from escalating into major problems that trigger error codes.
Clean Filters: Keep the filters of your Navien boiler clean to maintain proper airflow and heating efficiency. Clogged filters can strain the system, leading to performance issues and potential error codes.
Flush System: Periodically flush the boiler system to remove any buildup of sediment or debris. This simple maintenance task can prevent blockages and optimize the operation of your Navien boiler.
Check Venting: Ensure that the venting of your Navien boiler is clear of obstructions to prevent issues with ventilation and exhaust. Proper venting is essential for the safe and efficient operation of the boiler.
Monitor Pressure: Regularly monitor the pressure gauge on your Navien boiler to ensure it operates within the recommended range. Fluctuations in pressure can indicate underlying issues that may lead to error codes if left unaddressed.
Professional Servicing: Schedule annual maintenance by a qualified technician to inspect and service your Navien boiler. Professional maintenance can identify potential problems early on and keep your boiler in optimal condition.

Monitoring boiler performance

Regular Inspections: Conduct routine inspections of your Navien boiler to check for any signs of wear, leaks, or irregularities. Addressing minor issues early can prevent them from escalating into major problems that trigger error codes.
Clean Filters: Keep the filters of your Navien boiler clean to maintain proper airflow and heating efficiency. Clogged filters can strain the system, leading to performance issues and potential error codes.
Flush System: Periodically flush the boiler system to remove any buildup of sediment or debris. This simple maintenance task can prevent blockages and optimize the operation of your Navien boiler.
Check Venting: Ensure that the venting of your Navien boiler is clear of obstructions to prevent issues with ventilation and exhaust. Proper venting is essential for the safe and efficient operation of the boiler.
Monitor Pressure: Regularly monitor the pressure gauge on your Navien boiler to ensure it operates within the recommended range. Fluctuations in pressure can indicate underlying issues that may lead to error codes if left unaddressed.
Professional Servicing: Schedule annual maintenance by a qualified technician to inspect and service your Navien boiler. Professional maintenance can identify potential problems early on and keep your boiler in optimal condition.