If your AO Smith Water Heater status light flashes 1 time every 3 seconds, it indicates your water heater runs at its best condition. On the other hand, your AO Smith Water Heater goes through problems if the status light flashes more than 1 times followed by a three-second pause.. See Also Honeywell Water Heater Blinking Red Light Troubleshooting Tips for Homeowners
![AO Smith Water Heater Troubleshooting Lights Guide]](https://lildutchuncle.com/wp-content/uploads/2022/08/AO-Smith-Water-Heater-Troubleshooting-Lights.webp "AO Smith Water Heater Troubleshooting Lights Guide]")
No Code (Nothing happens when water flow is activated.) 12 Wiring Diagram COLOR CODING W :White BK:Black BR:Brown R :Red BL:Blue Y :Yellow P :Pink O :Orange G :Green GY:Gray 1 3 BR 3 1 B 1 O 2 F F Dip SW1 3 8 7 6 5 4 F 5 W W B 1 BK BK MIN MAX MODULATING VALVE CURRENT ADJUSTING F. With the water heater turned off, press and hold the ON/OFF.. Overview of A.O. Smith Water Heaters. A.O. Smith water heaters are known for their reliable performance and efficiency. These units provide hot water for various applications, including residential and commercial use. Understanding your A.O. Smith water heater's components and features can help you manage it better. Types of A.O. Smith Water.