AOSmith Fault Codes AOSmith is a leading manufacturer of commercial and residential water heaters, boilers, and other products. As with all complex equipment, there are times when things don't go quite as planned. When this happens, AOSmith offers a range of fault codes to help identify and troubleshoot issues. Fault codes are a set of numbers, letters, and symbols that indicate a problem with the equipment. They are designed to help technicians quickly identify the problem and take the necessary steps to resolve it. AOSmith's fault codes are designed to be easy to understand and interpret, allowing technicians to quickly diagnose and repair the issue. The most common AOSmith fault codes are the E and F codes. The E codes indicate an issue with the electrical system, while the F codes indicate a problem with the fuel system. The codes are typically followed by a number that indicates the type of issue. For example, an E-01 code indicates a problem with the power supply, while an F-02 code indicates a problem with the fuel supply. In addition to the E and F codes, AOSmith also has a range of other fault codes. These include codes for temperature control, water pressure, air flow, and more. Each code is accompanied by a brief description of the issue, as well as a list of possible solutions. When troubleshooting an issue with an AOSmith product, it is important to refer to the fault codes. This will help you quickly identify the problem and take the necessary steps to resolve it. It is also important to note that some fault codes may require professional assistance. If you are unable to resolve the issue on your own, it is best to contact AOSmith or a qualified technician for assistance. AOSmith fault codes are an invaluable tool for troubleshooting and repairing AOSmith products. They provide a quick and easy way to identify and resolve issues, allowing technicians to quickly get the equipment back up and running. By familiarizing yourself with the fault codes, you can save time and money, and ensure that your AOSmith products are working properly.