Reliance Hot Water – Error Code 391

Reliance Error Code 391: The Reliance Hot Water System’s Error Code 391 means that there is a problem with the air-fuel ratio rod. To fix this issue, you should check if there are any loose or broken wires connected to the rod (Part #708). Additionally, you should also inspect the flame rod (Part #108) for any soot buildup. If you find any issues with the wires or if there is soot on the flame rod, you will need to address these problems to resolve the error code

Reliance Hot Water System – Error Code 391

Is your Reliance hot water system showing up with Error Code 391 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code 391 and whether you should keep using your Reliance hot water system.

What is a Reliance Error Code 391?

The Reliance Hot Water System’s Error Code 391 means that there is a problem with the air-fuel ratio rod. To fix this issue, you should check if there are any loose or broken wires connected to the rod (Part #708). Additionally, you should also inspect the flame rod (Part #108) for any soot buildup. If you find any issues with the wires or if there is soot on the flame rod, you will need to address these problems to resolve the error code

Recommended solution/fix steps

If you encounter Error Code 391 on your Reliance Hot Water System, it indicates a failure related to the air-fuel ratio rod. To resolve this issue, you should first check for any connection issues or breakage of wires (Part #708). Ensure that all wires are properly connected and intact. Additionally, inspect the flame rod (Part #108) for any soot buildup. If you notice soot on the flame rod, clean it thoroughly. Once you have checked and addressed these potential causes, restart the hot water system and monitor if the error code persists. If the problem persists, it is recommended to contact a professional technician for further assistance

Related Fault Codes

Fault codes that are often associated with or mistaken for error code 391 are: Error Code: 3g1, 39l, 3o1, 39i, 3z1, 39s, 3b1, 39b, 361, 39l

Can I still use my Reliance hot water system?

After seeing Error Code 391 on the Reliance Hot Water System, the machine may still be operable. However, it is important to address the issue promptly. Error Code 391 indicates a failure related to the air-fuel ratio rod. To resolve this, it is recommended to check for any connection issues or breakage of wires (Part #708). Additionally, inspecting the flame rod (Part #108) for any soot buildup is necessary. By addressing these potential problems, the machine can be restored to proper functioning. It is advisable to consult the manufacturer’s instructions or seek professional assistance to ensure a safe and effective resolution to Error Code 391