And secondly, loose wiring connections can also cause this symptom. The thermopile of your water heater can’t produce the required voltage output for two reasons. Start with turning off the gas control valve to the off position. In this case, the pilot light will be lit but the thermopile fails to generate the required output voltage. Two consecutive flashes every three second stand for thermopile voltage issue. You don’t need to take any corrective actions as the status light of a functioning unit blinks 1 time every 3 seconds. It means you don’t need to worry about anything. The status light flashes 1 times with a three-second pause indicating your water heater operates at its tip-top condition. You May Find Interesting: Rheem Gladiator Solid Red Light 03. Once the thermopile reaches its operating temperature, the status light will no longer remain solid red. It may take 90 seconds of pilot operation before the thermopile comes to its normal operating temp. Then, relight the pilot by following the lighting instructions I mentioned in the previous chapter. Now, wait for 10 minutes to let the thermopile cool down. Turn the gas control valve to the off position in the first place. Status Light Remain Solid Redĭoes the status light of your AO Smith Water Heater remain solid red? If yes, it’s because the pilot light got extinguished recently and the thermopile is cooling down. Regarding this, you need to replace the thermocouple or the wire connectors. In other words, the thermopile itself gets defective or the wire connectors come loose. If the status light still doesn’t come on, I bet the pilot flame fails to heat the thermopile sufficiently. Generally, it takes up to 90 seconds of continuous pilot operation before the thermopile reaches its operating temp. Secondly, the status light won’t flash a single time until the thermopile reaches its normal operating temperature. Release the gas control knob once the status light starts flashing and set the temperature to your desired setting.You should keep depressing the igniter button for 90 seconds. Press down the gas control knob all the way in while depressing the igniter button continuously.Now, set the gas control knob to the Pilot position.Wait for ten minutes to allow all the gas to clear out.Turn the gas control knob to the off position by moving it counter-clockwise.Go along with the following steps to light up your water heater: Whether you have a newly installed AO Smith Gas water heater or an older one, you must light up the pilot first. Second, the thermopile of your gas water heater has not reached its operating temperature yet. First, the pilot light won’t come on until you try to light it up.
The LED status light flashes 0 times or it doesn’t come on due to two reasons. This chapter will discuss everything you need to know about the flashing light codes on AO Smith Water Heater. AO Smith Water Heater Troubleshooting Lights In contrast, 4 consecutive flashes with a 3-second pause indicates the temperature sensor of the unit senses the water temperature is too high.īelow, I will explain the meaning of status light codes and what steps you should take to stop the blinking light.
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.įor example, if the status light blinks 2 times, there is an issue with the thermopile voltage output.
If your AO Smith Water Heater status light flashes 1 time every 3 seconds, it indicates your water heater runs at its best condition. It depends on how many times the flashing light is blinking. End-Note What Does Flashing Light Mean On Ao Smith Water Heater?.AO Smith Water Heater Troubleshooting Lights.What Does Flashing Light Mean On Ao Smith Water Heater?.Takagi Water Heater Error Codes Table of Contents
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