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Top 10 Navien Error Codes and How to Resolve Them

Navien Error Codes

Navien Error Codes

Navien tankless water heaters are known for their efficiency and reliability, but like any appliance, they can encounter issues from time to time. When your Navien water heater displays an error code, it’s essential to know what it means and how to resolve it. In this article, we will explore the top 10 Navien error codes, including Navien Error Code 515-09, and provide solutions for each.

What are Navien Error Codes?

Navien error codes are numerical or alphanumeric indicators that your tankless water heater displays when it encounters a problem. These codes are designed to help homeowners and professionals diagnose issues quickly, ensuring that your water heater runs smoothly.

Understanding these error codes can save you time, money, and the inconvenience of a malfunctioning water heater.

Common Navien Error Codes and Their Meanings

Navien Error Codes

Error Code 001

Error code 001 on your Navien water heater typically indicates low water pressure. This can happen when there is insufficient water flow to activate the unit properly. To resolve this issue, check your water supply and ensure it meets the heater’s requirements. You may need to clean or replace the water filter.

Error Code 003

Error code 003 points to an ignition failure. If your Navien water heater can’t ignite, it won’t provide hot water. First, ensure that your gas supply is functioning correctly. If that’s not the issue, you may need to clean or replace the igniter or check for gas leaks.

Error Code 010

Error code 010 signifies a flame failure. This can be caused by various factors, including a dirty burner, gas supply issues, or combustion problems. It’s crucial to contact a professional to diagnose and resolve this error, as dealing with gas issues can be dangerous.

Error Code 016

Error code 016 indicates that your Navien water heater is overheating. To fix this, you can try turning off the heater and letting it cool down. If the problem persists, there may be an issue with the unit’s circulation pump, temperature sensors, or the venting system.

Error Code 026

Error code 026 relates to air supply problems. It can occur when there’s insufficient airflow to the unit. Check for any obstructions in the venting system and ensure that the air supply and exhaust are not blocked.

Error Code 027

Error code 027 is triggered by inadequate gas supply. To resolve this, check your gas line and ensure it’s not blocked or restricted. If the problem persists, consult a professional to address potential gas supply issues.

Error Code 031

Error code 031, also known as water heater freeze protection, typically occurs in cold weather. To resolve this issue, you can use the unit’s built-in freeze protection feature or insulate the water lines to prevent freezing.

Error Code 032

Error code 032 is related to the dual venturi issue. This may require a professional technician to assess and repair the water heater’s components related to this error.

Error Code 038

Error code 038 signifies abnormal air pressure. Check the venting system and the combustion air supply to ensure there are no obstructions or issues.

Error Code 039

Error code 039 indicates inadequate combustion air. Ensure that the air intake and exhaust are not obstructed, and there is proper ventilation for your water heater.

Error Code 515-09

Error code 515-09 is a specific code that can indicate a range of issues. To diagnose and resolve this error, it’s best to consult the manufacturer’s documentation or contact Navien customer support for assistance.

How to Resolve Navien Error Codes

To resolve Navien error codes, you can follow these steps, depending on the specific error:

Error Code 001 – Low Water Pressure

Error Code 003 – Ignition Failure

Error Code 010 – Flame Failure

Error Code 016 – Overheating

Error Code 026 – Air Supply

Error Code 027 – Inadequate Gas Supply

Error Code 031 – Water Heater Freeze Protection

Error Code 032 – Dual Venturi

Error Code 038 – Abnormal Air Pressure

Error Code 039 – Inadequate Combustion Air

Error Code 515-09

Conclusion

Navien error codes may seem daunting, but with a bit of knowledge, you can diagnose and resolve many issues on your own. However, for gas-related problems and complex errors, it’s best to consult a professional technician. Keeping your Navien tankless water heater in good working order ensures a consistent supply of hot water for your household.

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