Like other heat pump water heaters, AO Smith Heat Pump Water Heater uses the ECC or transformative solid state technology to reduce the energy usage. Why is AO Smith's water heater beeping? Your AO Smith Water Heater will make a beep once it detects a problem to notify you that something is going wrong with the unit.. maintenance code history "00" is substituted for "LC") LC • Clean inlet water supply filter. On new installations ensure hot and cold water lines are not reversed. • Check for bleed over. Isolate unit from building by turning off hot water line to building. Isolate the circulating system if present.
![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]")
Page 31 TB-A028-06 - A. O. SMITH - FVIR INTELLI-VENT TROUBLESHOOTING CHART LED STATUS PROBLEM SOLUTION The self diagnostic test has 1 Turn off power to the water heater. Ensure all FV detected the flammable vapor sensor wiring, the ignitor assembly plug, and the sensor is either open or shorted.. To display the water flow through the water heater, press the thermostat button (hold for 2 seconds) and then press the ON/OFF button while continuing to hold the thermostat