Navien E110 Error Code

Encountering the Navien E110 error? It signals issues like exhaust pipe obstructions or air filter blockages. Regular maintenance is important to prevent malfunctions. Check for vent blockages, clear snow drifts, and clean the air filter. Drain the condensation trap to avoid water buildup. Adequate airflow is key. Need professional assistance? It guarantees accurate diagnosis and solutions, preventing further damage. Maintaining peak performance is essential. Remember, taking these steps can help you troubleshoot the E110 code effectively.

Key Takeaways

  • Check exhaust pipe for obstructions to prevent E110 error.
  • Clean air filter regularly for optimal airflow.
  • Drain condensation trap to avoid water accumulation.
  • Ensure proper ventilation for consistent performance.
  • Seek professional help for accurate diagnosis and resolution.

Common Causes of E110 Error

Identifying common causes of the E110 error in a Navien water heater involves inspecting potential obstructions in the exhaust pipe or air filter. When the exhaust pipe is blocked, proper ventilation is hindered, leading to abnormal air pressure inside the system. This change in pressure triggers the E110 error, indicating a problem with the air supply.

Similarly, a clogged air filter restricts the airflow necessary for combustion, causing the heater to detect the anomaly and display the error code. To address this issue, ensuring that the exhaust pipe is clear from any blockages and regularly cleaning or replacing the air filter can prevent the E110 error from occurring.

Importance of Regular Maintenance

To maintain peak performance and prevent issues such as the Navien E110 error code, getting regular maintenance is essential for ensuring proper airflow and system functionality. Regular maintenance tasks play an important role in preventing malfunctions.

Cleaning the air filter regularly is essential to prevent debris buildup and potential blockages that could trigger error codes. Additionally, draining the condensation trap as part of routine maintenance helps avoid water accumulation that can lead to system malfunctions.

Inspecting and clearing vents and exhaust pipes of obstructions is also critical to maintaining efficient operation and preventing errors. By scheduling professional maintenance for thorough inspections, potential problems can be identified early, ensuring the system runs smoothly and minimizing the risk of error codes like E110.

Troubleshooting Steps for E110 Code

When troubleshooting the E110 error code on a Navien water heater, make sure to first check for obstructions in the exhaust pipe and clear any snow drifts covering vents. These obstructions can lead to abnormal air pressure, triggering the error code E110.

Additionally, cleaning the air filter and draining the condensation trap are vital steps in troubleshooting this issue. By ensuring proper airflow and drainage, you can address potential causes of the error code.

Remember to reset the system after performing these troubleshooting steps and keep an eye out for any recurring error codes. Regular maintenance, which includes clearing obstructions and checking vents, is essential in preventing E110 issues in Navien units.

Clearing Obstructions in Exhaust Pipe

Clear any obstructions in the exhaust pipe to prevent the E110 error code on Navien water heaters. When the exhaust pipe is blocked, it can lead to abnormal air pressure, triggering the E110 error code and disrupting hot water supply. To guarantee proper functioning, regularly check for snow drifts or debris obstructing the vents connected to the exhaust pipe. Use a snow shovel to clear any blockages around the vents, allowing for adequate airflow. Here is a table summarizing key points:

Steps to Clear Obstructions in Exhaust Pipe
Check exhaust pipe for blockages
Clear snow drifts and debris from vents
Ensure adequate airflow in the exhaust system
Prevent E110 error code occurrence
Maintain consistent hot water supply

Inspecting Air Filter for Debris

Inspect the air filter for debris regularly to prevent airflow restrictions that may trigger the E110 error code on Navien water heaters. Making sure the air filter is clean and free of any dirt, bugs, or debris is essential for peak heater performance. Accumulated debris can lead to abnormal air pressure readings, causing the unit to malfunction.

Draining Condensation Trap

To ensure peak performance and prevent issues like the E110 error code on Navien water heaters, regular maintenance should include draining the condensation trap to prevent water accumulation that can impact heater functionality.

Draining the condensation trap is an important step in maintaining your Navien water heater. Here are some key points to keep in mind:

  • Regularly check and drain the condensation trap to prevent water build-up.
  • Accumulated water in the trap can trigger error codes and affect heater performance.
  • Water accumulation may lead to blockages, hindering proper system function.
  • Proper maintenance, including draining the condensation trap, is essential for a consistent hot water supply.

Ensuring Proper Airflow

Maintaining proper airflow is vital for peak performance and error prevention in Navien water heaters. The air pressure within the system must be sustained at ideal levels to avoid issues like the E110 error code.

To guarantee sufficient airflow, regularly inspect the exhaust pipe for any obstructions that could hinder the flow of air. Additionally, clear any snow drifts around the vents that may cover the air intake, as this can disrupt proper ventilation.

It's also essential to check the air filter for bugs or debris that could block airflow. By ensuring these airflow conditions are met, you can prevent the E110 error code and ensure the efficient operation of your Navien water heater.

Seeking Professional Assistance

For best resolution of Navien E110 error code issues, professional assistance is recommended by HVAC technicians. When seeking help from professionals, here are some benefits they'll be able to provide:

  • Accurate Diagnosis: Experts can pinpoint the exact cause of the error.
  • Effective Solutions: They'll offer solutions that address the root of the problem.
  • Prevent Further Damage: Professionals can prevent any additional harm to the water heater unit.
  • Maintenance Tips: They can provide valuable advice on maintaining the Navien tankless water heater properly.

If you encounter the Navien E110 error code, it's advisable to contact a professional HVAC technician. Their expertise can help resolve the issue efficiently and effectively.

Frequently Asked Questions

How Do I Reset My Navien Error Code?

To reset a Navien error code, locate the power button on the unit's front panel. Hold it for 5 seconds. The unit will restart and attempt to clear the error. Confirm proper power and ventilation. If the error persists, consult the manual or contact support.

What Is the Error Code E10 on a Navien Boiler?

When I encounter the E110 error on my Navien boiler, I troubleshoot by checking for exhaust pipe obstructions and ensuring proper airflow. Snow drifts over vents can trigger this code. Regular maintenance is important to prevent E110 errors.

What Is Error Code E 11 on Navien?

When troubleshooting Navien E11 error, make sure proper air pressure. Understanding Navien error code meanings is essential. Maintenance like checking vents prevents issues. Resetting after resolving errors restores functionality. Regular upkeep avoids reoccurrence.

How Do You Reset a Tankless Water Heater?

To reset a tankless water heater, locate the power button, press and hold for 5 seconds to turn it off. Wait 10 seconds and press the button again to restart. This troubleshooting tip can resolve issues and restore normal operation.


In summary, the Navien E110 error code can be caused by various issues such as obstructions in the exhaust pipe, debris in the air filter, or a full condensation trap.

Regular maintenance is essential to prevent this error and maintain proper airflow.

By following the troubleshooting steps provided and seeking professional assistance when needed, you can quickly resolve the E110 error and keep your Navien system running smoothly.