Navien Combi Boiler – Error Code 4
Is your Navien Combi boiler showing up with Error Code 4 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code 4 and whether you should keep using your Navien Combi boiler.
What is a Navien Combi Error Code 4?
The Navien Combi Boiler is a type of heating system that can sometimes experience an error code 4. This error code is known as a false flame error, which means that the boiler is not detecting a proper flame. When this happens, the boiler will automatically reset itself to try and fix the issue.
This error code can be caused by a variety of factors, such as a dirty or faulty sensor, a blocked gas line, or a malfunctioning ignition system. If you experience this error code, it is important to contact a professional technician to diagnose and fix the issue. Ignoring the problem can lead to further damage to the boiler and potentially dangerous situations.
Recommended solution/fix steps
When you see Error Code 4 on a Navien Combi Boiler, which indicates a false flame error, the first step is to wait for the boiler to auto-reset. This process may take a few minutes. If the error persists after the auto-reset, the next step is to check the gas supply to ensure it is not interrupted or blocked. If the gas supply is fine, the next step is to inspect the ignition system for any issues such as loose connections or faulty components. If the problem still persists, it is recommended to contact a professional technician or the manufacturer’s customer support for further assistance and possible repair or replacement options.
Related Fault Codes
Fault codes that are often associated with or mistaken for error code 4 are: 4, 0, i, Z, S, B, b, l, 7, 9
Can I still use my Navien Combi boiler?
Yes, the machine can still be operated after seeing Error Code 4 on the Navien Combi Boiler. This error code indicates a false flame error, which means that the boiler will automatically reset itself. Once the boiler resets, it should be able to continue operating normally. However, it is important to address the cause of the false flame error to prevent it from happening again in the future. This may involve checking the gas supply, ignition system, or other components of the boiler to ensure they are functioning correctly. If the error code persists or if there are any concerns about the boiler’s operation, it is recommended to contact a professional technician for further assistance.
