A.O. Smith Error Code 03: If you see Error Code 03 on your A.O. Smith Hot Water System, it means that you have set the wrong settings for the dipswitch. You can also tell if the LED light blinks once. To fix this problem, you need to find the right settings for your water heater’s model and reset them on the computer board. You can find the settings in the manual, but if you need help, contact AO Smith support. They can tell you the correct dipswitch settings for your model so you can fix it yourself
A.O. Smith Hot Water – Error Code 03
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A.O. Smith Hot Water System – Error Code 03
Is your A.O. Smith hot water system showing up with Error Code 03 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code 03 and whether you should keep using your A.O. Smith hot water system.
What is a A.O. Smith Error Code 03?
If you see Error Code 03 on your A.O. Smith Hot Water System, it means that you have set the wrong settings for the dipswitch. You can also tell if the LED light blinks once. To fix this problem, you need to find the right settings for your water heater’s model and reset them on the computer board. You can find the settings in the manual, but if you need help, contact AO Smith support. They can tell you the correct dipswitch settings for your model so you can fix it yourself
Recommended solution/fix steps
If you see Error Code 03 on your A.O. Smith Hot Water System, it means that you have set the incorrect settings for the dipswitch. You can confirm this if the LED light is blinking once. To fix this issue, you need to find the correct settings for your water heater’s model and reset them on the computer board. Refer to your water heater’s manual to locate the settings. If you are unable to find them, contact AO Smith support for assistance. They will provide you with the correct dipswitch settings for your model, allowing you to correct the error yourself
Fault codes that are often associated with or mistaken for error code 03 are: Brand: A.O. Smith Hot Water System, Error Code: 03, Description: If this error code has appeared on your AO Smith tankless water heater’s LED screen, then this is a sign that you have set the incorrect settings for the dipswitch.Another sign that you are facing the same problem would be if the LED light is blinking once. To solve this problem, you will need to find the correct settings for your water heater’s model and reset them on the computer board.You should be able to find the settings in your water heater’s manual, but if you are stuck, contact the support at AO Smith.They should be able to tell you the correct dipswitch settings for your model so you can correct it yourself.
Error Code: 0B, 1I, 2Z, 5S, 8B, 6b, 1l, 4A, 7T, 9G
Can I still use my A.O. Smith hot water system?
The machine can still be operated after seeing Error Code 03 on the A.O. Smith Hot Water System. This error code indicates that the incorrect settings have been set for the dipswitch. If the LED light is blinking once, it is another sign of the same problem. To resolve this issue, you need to find the correct settings for your water heater’s model and reset them on the computer board. The settings can be found in the water heater’s manual, but if you are unable to locate them, you can contact AO Smith support for assistance. They will provide you with the correct dipswitch settings for your model, allowing you to correct the error yourself
