Sometimes the water gets too hot which causes the switch to trip. In such a case, resetting the tankless water heater is necessary in order to solve these problems. Turning off the electricity to your A.O Smith water heater should be the first step in your troubleshooting process. I also enjoy blogging about my findings and helping others to find the best heating options for their needs. If you need further direction, try this helpful Homeowner Repair video. Electrical issues are a common cause for the A.O Smith water heaters reset button to trip. Fuel Type: Natural Gas. Manufacturers design access to the button for safety and to prevent accidental activation. The process of resetting starts by finding the electrical panel and circuit label. The spark on the gas burner is ignited, warming water in the heat exchanger. Check there are not burnt or damaged wires on the control board. This debris will be what is preventing your water heater from functioning properly. Step By Step Instructions, How To Flush A Tankless Water Heater? We are constantly working on providing the best content for our readers. Error Code 03 (031) 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. There are a range of potential causes to this error. It is indicating the incorrect gas combustion. Intake and exhaust terminals must have accurate clearance between them. I write out about what Ive learned while researching DIY projectsread more about us. You should also ensure they are securely attached. Condensing units tend to provide the best efficiency ratings out of tankless options. Examine the fan and burner for dirt and grime, and clean if required. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], How To Reset Rinnai Tankless Water Heater? } Before AO Smith tankless water heater troubleshooting, test the hi-limit switch and confirm it is working fine and the wire connections are not loose and broken. Smith Water Heater, look no further! This error is caused due when the exhaust overheats. 3. First, check to see if the power supply to the unit is turned on. The reset button is a feature on the upper thermostat. Step By Step InstructionsContinue, Are you looking for an in-depth guide on how to flush a tankless water heater because debris and calcium have accumulated on the heating elements and inside your units filters? The reset button might be tripped by loose wires. Verify there are no cuts and burns on the wire connections and also they are not loose. After you hit the reset button, you should hear a clicking sound to indicate you successfully reset the water heater. Instant Hot Water After that, release the button and turn the thermostat back to the On position. Most AO Smith water heaters come with a warranty of between 6 and 12 years. A. O. Smith Water Heaters (the warrantor) will furnish the ORIGINAL OWNER, 1) a replacement A. O. Smith water heater of equivalent size and current model if the glasslined tank in this water heater leaks and, 2) a replacement part for any component part which fails. Commercial Oil Fired. IT. To see how to reset an AO Smith water heater as well as other components of the device, continue reading to find what you need. The first step is to turn off all the electric circuits, gas valves, and hot water faucets. There should not be any obstructions in the gas supply. Get information and support for all A. O. Smith models. The best part of these tankless water heaters is that they do not require much maintenance. Also, make sure there are no obstructions in the venting system, and the distance between the intake and exhaust is not too small. The unit stops heating water when you turn off the tap. The foremost step to resetting a Takagi tankless water heater is to disconnect all the electrical and gas connections in order to avoid short circuits. Just like with the previous thermistor failure errors, you should follow the same process to solve it. It was attached to a 120-volt grid, was sufficiently grounded, and had unblocked access to gas and water. Ensure that the water circulates appropriately so that the unit does not overheat again. Ao Smith Water Heaters Troubleshooting. Products: Filters . When owning a hot shower button using your flat, them mayor occasionally encounter A.O Smith Water Heater Reset Push (Ultimate Guide . I have a consistently recurring issue where the thermostats trip (requiring manual reset) AFTER the water has been heated. Head to your hot water tank. Smith tankless water heater. Here's what you need to know to reset a tankless water heater. AO Smith water heaters have a lifespan of more than 20 years. Best power vent water heater reviews. This is the most common tankless water heater, available in an affordable price range. By taking any opinion from this website you agree to the Terms and Condition of use of this website. Probably not. It is informing you about the failure of the inlet thermistor. Do tankless water heaters need servicing? Smith water heater reset button is not immediately visible. 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. However, if you are experiencing some issues with your tankless water heater, how can it be reset? The thermostats in the water heater are responsible for monitoring the temperature in the tank. Checking for and removing electrical problems as a possible reason of your units reset button tripping is an important step in the troubleshooting process. When you are resetting an AO Smith water heater and are using the reset button to complete this process, the clicking of the reset button is the sound you want to look for to indicate that the button is functioning and the reset has taken place. If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. The A.O Smith water heater reset button on a gas or electric version can be found under the metal cover close to the middle of the unit. This button is located in the lowest corner opposite the on and off switch. By providing high-quality content and expert guides, Adam hopes to help anyone looking for expert water heater advice. To reset an AO Smith electric water heater that hosts a tank for heating water, remove the electric panel from the front of the unit as well as any insulation. Different manufacturers might have different resetting settings so well dig into the detail of how to reset some best-selling tankless water heaters. Alternatively, the error code will flash four times. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Liner for Pools: Essential Guide and Tips, Above Ground Pool Steps: A Comprehensive Guide, 3 Chlorine Tablets: Essential Guide for Pool Maintenance, How To Fix A Toilet Backing Up Into A Bath/Shower, Why Your Toilet Keeps Clogging And How To Fix It. Furthermore, this tankless water heater involves an error code chart for easy detection and identification of the issue and accordingly finding the solution to the respective problem. If you want to reset the flammable vapor sensor on your water heater, how can it be done? Locate the water heater's circuit breaker box and turn off the power to the unit. If your Ao Smith water heater isnt working properly, you may need to reset it. Complete Guide 2022, How To Convert RV Water Heater To Tankless? This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption (drinking or cooking) to meet low-lead standards. Wait for the water in the unit to cool before proceeding. window.mc4wp = window.mc4wp || { 3. Is there a reset button located on my tankless water heater? When the insulation is removed, press the red reset button until you hear a click, and the unit will reset. It will allow the controller to how to reset Rinnai tankless water heater bleed fully. . Step 1 - Locate the tankless water heater reset button The location of the reset button can vary depending on the make and model of your water heater. (function() { AO Smith models ATI 110C, 310C, and 510C are indoor and non-condensing that utilize a built-in temperature controller and concentric or one-pipe venting system for easier installation. Ao Smith Water Heater Troubleshooting. However, like all appliances, they will eventually need to be reset. Ensure that the unit receives enough water to complete the circulation this way, the water pressure will be equal in the whole unit. Jake Attachments To remove this error code, you must check that the ignitor is producing a proper spark and the central electric cord is connected to the unit in the right way. This can be done by following a few simple steps. [Gas, Electric, Tankless Water Heaters Complete Guide 2021]Continue, If you have a Rinnai tankless water heater, kudos to you, you have made one of the wisest investments of your life. By turning ON the circuit breaker, run the unit for several minutes. Examine the wire connections of the thermistor and make sure they are good and not damaged. Copyright 2023 Heater Guides. Gas Connection: 3/4" Water Connection: Flexible power vent installation through the wall or roof up to 180 feet. The best way to solve this problem is to adjust the temperature correctly. You might want to reset the computer to clear . The reset button is a precautionary part of the water heater. To perform an AO Smith water heater gas valve reset, turn the power the water heater off and back on. Also, inspect the PC board. However, with a model number we can check to see what yours is capable of. Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. The reset button of this unit is found under the metal cover which is further hidden under the insulating or protective covering. The cause of this problem could be a range of different issues including connection issues, broken wires, and even corrosion around the connectors. The last step is to reconnect all the electrical and gas connections and turn on the breaker, providing electricity to the unit. If you have an AO Smith water heater and are looking to reset the gas valve, read below to see what this process looks like. Remove the access panel from the front of the water heater so you can access the thermostat and heating elements. Ao Smith Water Heater Troubleshooting & Repair | Repair Clinic Choose Product 02 Identify Problem 03 Find Solutions Back Water Heater Repair Help Have Your Model Number? The best way to solve this problem is to clean the filter and flush the heat exchanger. Product Type: Tankless Heater. The best part of this tankless water heater is that it operates on electricity and does not function on the gas line. The location of the button may also be influenced by the type of hot water tank you have, whether it is gas, electric, or tankless. This error code usually means there is a fault with the flow adjustment valve. The best part of this tankless water heater is that it is easy to use and can also be reset easily with the help of the control panel. event : evt, What Is A Thermocouple? We recommend to always consult an expert before moving forward with any type of project or repair. This error occurs when the fan motor is not working correctly. Push the Reset Button After identifying the location of the reset button, press the button. Verify the wire connections are not broken or loose and clean the rod. } It may look like a technical piece, Read More How To Turn On Water Heater? Furthermore, the next step is to set the thermostat of the water heater by turning the knob to the highest temperature for maximizing the capacity. If the remote controller is not deployed on the unit, and there is something wrong, the code will be displayed differently. Commercial Gas. This error code indicates that there is a problem with your water heaters computer board. 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. To solve this error, check the thermistor to see if there are any loose wires or breakages that are causing the failure. Main Menu. For that, you must keep reading the article, and you will learn the easy way to reset. WaterHeater HUB 2021 - All Rights Reserved. This code tells you about the output thermistor failure. Disconnecting the tankless water heater is a safety measure. If not, repeat steps 1-3. Pinpoint the switch on the computer board and make sure the settings are according to the user manual. Our product specs, warranty sheets, installation guides, and user manuals are online. Also, turn the knob off in order to control the temperature. I followed your instructions and it worked, thank you for writing this post it helped me a lot! The flame rod should be free from dirt and grease, and the computer board should not be damaged. One of the main causes for the reset switch to trip is because the water heater is actually letting the water get too hot. AO Smith water heaters have certainly made a name within the industry as a reliable, affordable, and generally long-lasting product. Tankless Water Heaters. Note: All indoor, non-condensing tankless water heaters from AO Smith must use category III stainless steel venting. Condensing type This error code occurs when the unit detects a false flame. If your device is displaying a mysterious code and you cannot interpret what it means, dont panicwe are here to help you understand those enigmatic error codes and troubleshoot your system without requiring professional assistance. Also, look for any accumulation on the valve and clean it if necessary. But before that, it is advised to turn off all the connections again until the issue is not solved properly. Step 1: Disconnect Your Tankless Water Heater Before starting anything, you have to disconnect your water heater from the power connection. If your display screen is showing this error code and is flashing twice, then this is a sign that there is a problem with your water heaters air-fuel ratio rod (sometimes referred to as the AFR for short). A.O. 1. After the air filters dry out, then you must fix them back. It is caused due to the overheating of the heat exchanger because of high temperature. And it's all in short to reset your water heater. This post was first published on 2022-04-04. No spam, we promise. The best part of these tankless water heaters is that they are easy to use and can be reset easily in less time than conventional tank water heaters. Whether you have installed a new heater or moved into an apartment that has been empty for a long time, you need to know how to turn on water heater. I must have hooked something up wrong. If the error persists, then reset the water heater. . I am a mechanical engineer and love doing research on different home and outdoor heating options. Are you looking for a detailed guide on AO Smith tankless water heater troubleshooting? As a leader, we refuse to sit quietly. If the water heater works properly, it will provide hot water excessively. Besides that, more errors also require resetting of the whole unit. Smith Water Heater Troubleshooting - YouTube If you're looking for help fixing your A.O. This time, it is referring to a problem with your exhaust thermistor. This error code occurs when there is a problem with the inlet thermistor. After that, identify the reset button and press it hard for a few seconds. or This tankless water heater is reliable, easy to use, compact in size, and available in an affordable price range. Keeping it clean is critical to guarantee the long-lasting operation of your device. Circuit breakers deteriorate as they age as well. This guide will walk you through the detailed process of How to Reset Tankless Water Heater and bring it back to the functional track. If the above process is not working for you try calling a professional as this indicates a big problem. This is a popular problem that a lot of AO Smith tankless water heater owners suffer from because this error code usually occurs when there is an ignition failure. There could be an issue with the power supply of your water heater and thus it could be failing. The venting was done according to the code, the correct type was utilized, and the device obtained an adequate air supply. Most of the time, the gas connection can be wrong or pressure is not applied according to the proper amount or perhaps the meter or the gas line are not of the correct size. There are several reasons behind the failure of the tankless water heater. While it may be igniting, its not keeping its flame and is going out before it can adequately warm up your water. Please check which brand of water heater you have and then try resetting it. Once the lights are steady and are no longer blinking, this is an indication that the valve is reset and if it is stuck in lockout mode, you should be able to have access to the valve again. If the connection of the gas valve is also disconnected, reconnect those connections as well for analyzing the working of the tankless water heater. If you have an AO Smith electric water heater, the device is powered by the fuel source of electricity, making this a great unit for those who never want to worry about a pilot light going out. There are even certain. This issue usually occurs in gas devices. Once you open the cover, the button will be hidden under a protective material, either insulation or Styrofoam. Its due to a thermostat fault in either the upper or lower heating element. It also means that it requires to be reset. A faulty thermostat, old internal parts, electrical problems, bad heating elements, etc are some of the issues related to this tankless water heater. Ao Smith water heaters are one of the most popular brands on the market. To do this, open the electric panel on the water heater and remove any insulation that is behind the panel. You tell us what products and skills you want training on, an A. O. Smith University instructor will prepare a customized class for your company. Now, go to the temperature controller and press the On/Off button twice. To do this, with a multimeter, test the thermostat for continuity and if continuity is not present, you will need to replace the thermostat rather than simply reset the water heater. I normally start by looking for faulty wiring and damaged circuit breakers. They are known for their quality and durability. How to Reset a Tankless Water Heater How to Reset a Tankless Water Heater. If everything seems to be in order but your water heater is still failing to ignite, then it is safer to call out a technician to take a look at it. Electric water heaters have 2 thermostats, an upper and a lower one. Reset Button on Water Heater Doesn't Click In many circumstances, you can see when there is an issue with the wiring of your units components. Reason #1: Bad Thermostat. To fix this error, you should first turn the unit off and then drain the water inside it. Your email address will not be published. The most general and effective way of resetting an AO Smith water heater is by pressing the reset button that is located on the unit. A. O. Smith University can provide customized live video training over the Internet directly to your company. Launch Product . To resolve this issue, a replacement heating element may be required. 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. Tankless water heaters are well-known for their dependability and efficiency. All Rights Reserved. Check the cold water filter and strainers before you clean them. The next step is to release the reset button and then turn on the power button to analyze the proper functioning of the water heater. Open up a hot water faucet in your home to allow any residual pressure in the lines to release. You can do a few basic checks first like making sure there are no loose wire connections or soot on the flame rod. 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. Check the thermistor for dirt or debris and loose, damaged, or broken wire connections. RVs are designed to fulfill all the basic needs you enjoy, Read More How To Convert RV Water Heater To Tankless? Here is a step-by-step guide on how to do just that: 1. Although you cannot individually reset the thermostat on your AO Smith water heater, if you suspect that this piece is the cause of any problems you are experiencing, you can test that the piece is working correctly by testing for continuity. Electrical Problems (Bad or loose Wiring and Circuit breakers). Heres how to do that: There are a few different types of water heaters that users can select to fit their exact needs, but if you are using a gas water heater, gas will obviously be the fuel by which the unit is operated and thus, there will be a gas valve that controls the amount of gas administered to light the pilot or the ignitor. The red LED light on the computer board will show to inform you the unit is on. Ecosmart tankless water heater displays the error code on the small screen, enabling the users to solve the problem easily by searching for the solution in the manual guide. We will show three error codes, the first for the heaters that are without a remote controller and have only blinking LED, the second for the machines that have remote controller, and the third for the units that have 7-SEG LED.