Takagi Hot Water System – Error Code 391
Is your Takagi 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 Takagi hot water system.
What is a Takagi Error Code 391?
The Takagi Hot Water System may display an Error Code 391, which means that there is a problem with the air-fuel ratio rod. This rod helps to regulate the amount of air and fuel that is used to heat the water. If the rod fails, it can cause the system to malfunction and stop producing hot water.
To fix this issue, you should first check the wire connections to make sure that they are secure. If there are no loose wires, then you will need to replace the air-fuel ratio rod. This should be done by a professional technician who is familiar with the Takagi Hot Water System. Once the rod is replaced, the system should be back to normal and producing hot water again
Recommended solution/fix steps
If you encounter Error Code 391 on your Takagi Hot Water System, it indicates an air-fuel ratio rod failure. To resolve this issue, start by checking the wire connections. Ensure that all wires are securely connected and there are no loose connections. If the wire connections are fine, the next step is to replace the AFR rod. Contact the manufacturer or a professional technician to obtain a replacement AFR rod and follow the manufacturer’s instructions for installation. Once the new AFR rod is installed, reset the system and check if the error code persists. If the problem persists, it is recommended to seek further assistance from a qualified technician or the manufacturer’s customer support
Related Fault Codes
Fault codes that are often associated with or mistaken for error code 391 are: 391, 3B1, 39I, 39Z, 39S, 39B, 396, 3l1, 3g1, 3q1
Can I still use my Takagi hot water system?
After encountering Error Code 391 on the Takagi Hot Water System, the machine may still be operated, but it is recommended to address the issue promptly. This error indicates a failure in the air-fuel ratio (AFR) rod. To resolve the problem, one should first check the wire connections for any loose connections. If no loose wires are found, it is necessary to replace the AFR rod. Ignoring this error could lead to inefficient fuel combustion and potential damage to the system. Therefore, it is advisable to take the necessary steps to rectify the issue before continuing to operate the machine
