If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. There are even certain. If the thermostat isnt working right then the water wont be heated and the circuit will turn off. The error code may also be flashing three times. Whether you own a gas or electric heater, the electrical box can be pulled open as well as any insulation, then press the red reset button until a click is heard, indicating the reset. As An Amazon Affiliate We Earn From Qualifying Purchases But This Does Not Affect Price Of Product. 2. Stay tuned. Thermistors are an important component of any water heater as it helps your water heater heat your water to the correct temperature. Here is a step-by-step guide on how to do just that: AO Smith Tankless Error Codes: Problems And Troubleshooting Keeping it clean is critical to guarantee the long-lasting operation of your device. When completely rebooted, run the hot water faucet from any area and see if hot water is present. If it is damaged or has a short in it, the temperature of the water will continue to rise. But if this error shows again, you must check the sensor and change it if necessary. How To Repair Code 391 Ao Smith Tankless Water Heater AO Smith Tankless Error Code Troubleshooting - Sensible Digs Also, look for external particles or grease on the fan and burner. If the connection of the gas valve is also disconnected, reconnect those connections as well for analyzing the working of the tankless water heater. Once removed, press the red reset button and hold it down until it clicks, as the click is an indication that the reset was successful. Ensure that the unit receives enough water to complete the circulation this way, the water pressure will be equal in the whole unit. This error code is telling you about the flow adjustment valve fault. This error code usually means there is a fault with the flow adjustment valve. The way a water heater works is pretty simple . In order to solve this problem, check the gas valve and make sure that it is open. The red LED light on the computer board will show to inform you the unit is on. If you have a gas water heater, you will need to re-ignite the pilot light on the tank to get it operational again. For tankless models, it's typically located on the side or front of the unit, but you should check your owner's manual to confirm. The reset button is a feature on the upper thermostat. Electric Tankless; Resources. Smith electric water heater installed, you can adjust the temperature in a matter of minutes as long as you have access to the heater's panels. AO Smith Tankless Water Heaters | Review and Buying Guide This is the thermistor attached to your outlet pipes. Smith line of water heaters is a broad one, covering both residential and commercial use and electric and gas options. Even so, some units need to be reset and if your water heater is in need of such, what does this process look like? Step by Step Complete Guide 2021, codes and troubleshoot your system without requiring, How To Determine The Age Of A Water Heater? Smith Water Heater. You can also use a toothbrush for deep and proper cleaning. 3. In the following case, keep the tankless water heater turned off. on: function(evt, cb) { 5. Pinpoint the switch on the computer board and make sure the settings are according to the user manual. Water heaters provide a luxury to individuals that many seem to overlook until they are left without the hot water that such units provide. They should be able to tell you the correct dipswitch settings for your model so you can correct it yourself. window.mc4wp.listeners.push( The first step is to disconnect all the connections in order to avoid a short circuit. In many circumstances, you can see when there is an issue with the wiring of your units components. If you own an AO Smith tankless water heater, then its important that you know how it works and what to do when things go wrong. Once this time has passed or you see that the sensor has reset, you can then reconnect it to the water heater, turn the unit back on, allow it time to reheat after lighting the pilot or giving the heating elements time to do so, and check for proper function. . Just follow up on the below step-by-step guide to reset your Tankless Water Heater effectively and get the unit out of standby mode. Propane. The flammable vapor sensor on a water heater works to detect any flammable vapors within one minute of them being released, thus triggering the gas to stop flowing and preventing any fires or explosions from occurring. The A.O. This error code indicates that there is a problem with the flow sensor on your AO smith tankless water heater. It is better to check the AO Smith tankless water heater installation manual to determine what model you have and where to look for the numerical code. Note: All indoor, non-condensing tankless water heaters from AO Smith must use category III stainless steel venting. This guide will walk you through the detailed process of How to Reset Tankless Water Heater and bring it back to the functional track. Smiths gas and electric water heating are quite common. The fan motor could also be blocked by dust, debris or dirt and needs a clean. Electrical Problems (Bad or loose Wiring and Circuit breakers). Why am I not getting the hot water from the tankless water heater? If the machine is not functioning properly, the remote will make a sound, and the error code will appear on the display screen. The best way to solve these problems is to call an expert as it involves technicality.

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