A.O. Smith Hot Water – Error Code 72

A.O. Smith Error Code 72: The A.O. Smith Hot Water System’s Error Code 72 means that there is a problem with the flame in your water heater. It is detecting a flame that is not actually there. To fix this issue, you should check if there is any moisture or water inside the heater. This can happen if the condensate drain is not correctly installed on the vent collar of the water heater, causing water to get into the internal combustion engine

A.O. Smith Hot Water System – Error Code 72

Is your A.O. Smith hot water system showing up with Error Code 72 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code 72 and whether you should keep using your A.O. Smith hot water system.

What is a A.O. Smith Error Code 72?

The A.O. Smith Hot Water System’s Error Code 72 means that there is a problem with the flame in your water heater. It is detecting a flame that is not actually there. To fix this issue, you should check if there is any moisture or water inside the heater. This can happen if the condensate drain is not correctly installed on the vent collar of the water heater, causing water to get into the internal combustion engine

Recommended solution/fix steps

If you see Error Code 72 on your A.O. Smith Hot Water System, it means that a false flame is being detected in your water heater. To resolve this issue, you should start by checking for any condensation within the heater. Make sure to inspect the condensate drain and ensure it is properly installed on the vent collar of the water heater. If the drain is not correctly installed, there may be water in the internal combustion engine. Correctly installing the condensate drain should resolve the false flame detection problem. If the issue persists after checking and fixing the condensate drain, 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 72 are: A.O. Smith Hot Water System, Error Code: 7Z, Description: indicates that there is a false flame being detected within your water heater. To solve this issue, you need to check for any condensation within the heater.If the condensate drain is not properly installed on the vent collar of the water heater, then there could be water in the internal combustion engine

Can I still use my A.O. Smith hot water system?

No, the machine cannot be operated after seeing Error Code 72 on the A.O. Smith Hot Water System. This error code indicates that there is a false flame being detected within the water heater. To resolve this issue, it is necessary to check for any condensation within the heater. If the condensate drain is not properly installed on the vent collar of the water heater, there could be water in the internal combustion engine. Operating the machine in this condition could lead to further damage or malfunction. It is important to address the issue and fix the condensate drain before attempting to operate the water heater again