how to reset ao smith tankless water heater how to reset ao smith tankless water heater
Check if the hi-limit switch has not tripped. It was attached to a 120-volt grid, was sufficiently grounded, and had unblocked access to gas and water. The hardwiring system is required while installing the tankless water heater to a dedicated circuit breaker. A.O. It should be located near the top of the unit. Not having immediate ingress to warm water is infuriating and annoying. Note: All indoor, non-condensing tankless water heaters from AO Smith must use category III stainless steel venting. Press the reset button. Also, make sure there are no blockages in the vents. Turn the gas control knob on the side of the water heater to the Off position and leave the room for roughly 10 minutes to enable the gas to escape. You can reset your A.O Smith hot Water heater in four steps. Furthermore, if in case after resetting the unit, if still it displays the error code then push the knob for a few seconds again. First, find out the electrical panel and check the circuit breaker's position. This post was published on 2022-04-04. AO Smith Tankless Error Codes | Problems | Troubleshooting When you cant fix the error codes and there are more issues with your water heater, you should go for resetting. However, the gas ones have two other types: condensing vs non condensing, Read More Condensing Vs Non-Condensing Tankless Water Heaters Which one is better 2022Continue, Have you ever taken a bath when the tankless water heater was off? Any other models may have different codes for different issues. The A.O. It also means that it requires to be reset. If the thermostat fails, it is unable to perform its function, causing the reset button to trip since there is no communication between the thermostat and the heating element. In most cases, this electrical tankless water heater that is equipped with the reset button can trip off easily because of several reasons including the faulty thermostat, reset button malfunction, loose wiring connections, etc. Also, look for external particles or grease on the fan and burner. The important feature of the broken flow sensor enables the tankless water heater to run cold as well as hot water. 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. If the unit accepts the venting material then check the flue inlet or exhaust for removing the blockage. Most tankless water heaters have their reset button present on the front or back side or at the control panel. Before you begin opening the heater, figure out where it's plugged into the wall and turn off the electricity. How do I know if my tankless water heater is bad? ); 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. Note the color of the light that changes from red to green which indicates that the unit is functioning properly. It may be very difficult in Washington State to do tankless electric due to our cold incoming water temperature. Return to the electrical panel to flip the breaker switch to the on position. You can do a few basic checks first like making sure there are no loose wire connections or soot on the flame rod. This error code is telling you about the flow adjustment valve fault. Also make sure that all sensors, electrical components, and other wiring systems are in a proper position in order to avoid short circuits. Your machine provides you with perfectly hot water on demand whenever you need it. The basic lifespan of an AO Smith water heater is between 10 and 12 years. Water Heating This error code occurs when there is a problem with the inlet thermistor. Here's what you need to know to reset a tankless water heater. Disconnect and remove the A.O.'s access panel from the side. The thermal switch stops the gas supply to the unit when there is too much heat buildup inside the chamber, but how can it be reset? How to Reset Tankless Water Heater: 4 Easy Steps To Follow 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. If the problem is not solved even through resetting or error code, then press the reset button at least three times. electrical panel and look for the water heater. 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. Wait for the water in the unit to cool before proceeding. Look no further. Also, inspect the PC board. However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. Locate the temperature control knob on the front of the unit and turn it to the "Off" position. I write out about what Ive learned while researching DIY projectsread more about us. Sometimes the water gets too hot which causes the switch to trip. Debris and dirt could also be affecting the thermistor, so clean anything away and try again. However, if this tankless water heater is not working properly due to a blocked air supply, flame failure, or ignition problems, then the user needs to reset the water heater by identifying the solution to these problems that are related to specific error codes. Apart from this, it is also a great option for commercial and residential use. First, check to see if the power supply to the unit is turned on. 2. The best part of these tankless water heaters is that they do not require much maintenance. They are also ultra-low NOx. 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. 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. There could be an issue with the power supply of your water heater and thus it could be failing. Whether you dont have the space for a traditional water heater or you are looking to have a unit that is more efficient at keeping your water hot no matter how much you use, you may find yourself in ownership of an AO Smith tankless water heater. Tankless water heaters are well-known for their dependability and efficiency. As water fills your hot water tank, the lower and upper elements kick in and warm the water. Locate the water heaters circuit breaker box and turn off the power to the unit. To solve this problem, you will need to find the correct settings for your water heaters model and reset them on the computer board. Get information and support for all A. O. Smith models. Before the tankless unit initiates gas ignition, a hot water tap has to be opened with water flowing at the rate of at least 0.5 gallons per minute. The LED display will show CE1 points. Do tankless water heaters need servicing? The easiest way to reset your Navien tankless water heater is to press the reset button. To replace a broken or damaged ESM module, see page 36 for ordering information. If there is no scale build up, then you should check the connections and wires around the flow adjustment valve. Just as there are gas water heaters and gas tankless water heaters, so there are tankless electric water heaters as well as standard electric water heaters that heat the water through the use of a tank. It will start heating the water and function properly. Our comprehensive A.O. Reset Button on Water Heater Doesn't Click - PlumbersStock Whether you are looking to reset your AO Smith water heater as a whole or are trying to find a way to reset various components of the unit, there are laid out processes that work to ensure that the reset is not only implemented the way it should be, but that the reset is successful and effective as well. However, if you are experiencing some issues with your tankless water heater, how can it be reset? The unit stops heating water when you turn off the tap. Inspect the flow adjustment valve wiring for damages or breakages. After that, identify the reset button and press it hard for a few seconds. To perform a reset of the thermostat on your AO Smith water heater, you will need to complete a system reset for the water heater. AFR rods monitor the air fuel ratio of your water heaters internal combustion engine, which is a massively important part of your water heaters function. By following simple four easy steps, the users can easily reset the tankless water heater at home and convert it into a functional unit. To reset an AO Smith gas tankless water heater, you will need to turn the hot water tap off and wait for five minutes. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], How To Reset Rinnai Tankless Water Heater? It means there is miscommunication between the unit and the remote controller. This indicates that the thermostat is not functioning properly. forms: { They are known for their quality and durability. 4. The best way to solve this problem is to adjust the temperature correctly. It can trip off at times without any cause and so its safe to turn it on. One possible troubleshooting option is to try to reset your hot water tank. Turn on the power button and observe its functioning. The plumbing and gas lines were accurately sized, and the pressure was according to the requirements. Make sure that the gas control knob is set to the Pilot setting. Noritz tankless water heater is another highly durable tankless water heater. A.O. SMITH WATER HEATERS INSTRUCTION MANUAL Pdf Download If you see any scale buildup on your motor drive, you will need to clean it away with hydrochloric acid and water mixture (wear appropriate protection gear while handling this mixture). Shut off the power supply. Make sure the resistance valve is 10.75 Kohm. To fix this error, you should first turn the unit off and then drain the water inside it. Tankless Water Heaters. I followed your instructions and it worked, thank you for writing this post it helped me a lot! To reset an AO Smith water heater, locate the red reset button within the electric panel and remove any insulation that may be beneath the panel. Smith gas and electric water heaters are quite common. This final error code indicates that there is a false flame being detected within your water heater. The A.O. This and many other issues can be solved by resetting the tankless water heater. Ensure that the unit receives enough water to complete the circulation this way, the water pressure will be equal in the whole unit. Rheem 18kW 240V Tankless Electric Water Heater - - Amazon.com We have unplugged it a read more How does the AO Smith condensing water heater work. I would recommend being patient at this point as it might take some time. A.O Smith Water Heater Reset Button (Ultimate Guide) You should be able to listen to two thump sounds from the gas valve or a bustling spark ignition from the gas burner. The next step is to locate the reset button and push it hard for a few seconds and then release it. Home | A. O. Smith Corp. For analyzing the temperature setting of the heater, turn that knob in a clockwise direction and set the temperature at the highest level, reaching its maximum capacity. After that, identify the location of the reset button and then press it for a few seconds. After this, turn ON the water supply for 3 minutes and then check the temperature of the water. You will need a screw driver to remove the screws that are holding the cover in place. This error code signifies that there is a problem with your outlet thermistor. The best way to solve these problems is to call an expert as it involves technicality. We offer residential and commercial training at our Ashland City, Tennessee facilities. In most cases, it can be difficult to press the reset button due to its sticky nature. Solution: This issue usually occurs in gas devices. AO Smith water heaters have a lifespan of more than 20 years. I have looked all over the place for an article like this, thanks for taking the time to write this. By turning ON the circuit breaker, run the unit for several minutes. In order to solve this problem, identify the venting material that is acceptable to the unit. The last and final step is to reconnect all the electrical connections in order to observe the working of the tankless water heater. Now, you should be able to understand how these error codes work and what they mean. If the tankless water heater is making some issues then resetting the unit can solve many of the related problems. [1] Most heaters are plugged into a wall with a cable. Once youve found it, press and hold the reset button for 30 seconds. Electrical issues are a common cause for the A.O Smith water heaters reset button to trip. However, before turning ON the breaker, set the thermostat of the tankless water heater up to the highest level for increasing the capacity of the unit. The next step is to switch off the Ecosmart unit and if it comes with the remote then use it to turn it off. Turn it off to provide security. Ask Your Own Plumbing Question So if you reset the water heater with the breaker etc and the issue still exists it can be one of 3 Things, a bad thermostat, a bad computer board, or the connectors to the computer module have burnt out which others have had issues before. The flammable vapor sensor is actually a passive device on your AO Smith water heater, but it works in a very important way when called to the task. 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. Alternatively, the error code will flash four times. Just like with the previous thermistor failure errors, you should follow the same process to solve it. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. The from of factors ensure leads many home owners to choose the brand is its dependability. How To Reset Your Tankless Water Heater All Things Plumbing, Heating & Air 161 subscribers 47K views 1 year ago Wondering how to reset your Tankless Water Heater? Check out the guide below for easy to understand explanations about each error code and the troubleshooting tips that can help you solve the issues you are facing with your AO Smith tankless water heater. However, different types of water heaters necessitate varying levels of upkeep. Extreme weather conditions such as storms or improper gas pressure could cause abnormal gas combustion. 1. Find the water heaters access panel and remove it. ReadyToDIY is the owner of this article. Stay tuned. This error is displayed when the unit faces blockage in the exhaust region. Most tank water heaters have an average lifespan of 8 to 12 years, and tankless water heaters can last as long as 20 years. Does A Tankless Water Heater Use More Electricity? When you open your electrical panel, you may notice that they are hot to the touch, and you may even smell burning. One of the most highlighted features of this tankless water heater is that it is designed in such a way that offers high security to the users. If your tankless water heater stops working, you're going to want to fix it as soon as possible. Residential Gas. Our product specs, warranty sheets, installation guides, and user manuals are online. Tankless models may not even require tools. After that, turn off the hot water tap. SOLVED Ao smith manual Fixya. In order to find and access the reset button, the metal plate has to be removed that keeps the thermostat in position. Tankless units dont have tanks to store water, so the water flows through the exchanger and to the hot water tap. window.mc4wp.listeners.push( Clean away any dirt or debris and check the quality of the connection wires. To solve this problem, you must check the air filters and the fan motor. Its important to note that the error codes we will be addressing in this guide are found on the 110, 510, 310, 240, 240 and 540 AO Smith tankless water heater models. For instance, the 110 and 310 models will display a flashing red LED that will blink one or more times depending on the error, whereas the 510 model will show the code on the display screen. The heating element is responsible for raising the temperature of the water in the tank. If there is a power overload or one of the elements is not working, the reset button trips and lights up. Ignition failure is not an uncommon issue with water heaters and boilers, but its also highly recommended that you solve this issue by calling a technician to your home. Before moving further, check that either the gas is connected to a cylinder or gas meter. Commercial Electric. Once cooled, locate the cold water inlet valve on the side of the unit and turn it clockwise to close it off completely. 3. Contents hide 1 ao smith water heater 2 what's in the box? How to Reset a Tankless Water Heater How to Reset a Tankless Water Heater. Once you open the cover, the button will be hidden under a protective material, either insulation or Styrofoam. 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. Your instructions are very easy to understand, I will follow them and hope it works. Thermistors are an important component of any water heater as it helps your water heater heat your water to the correct temperature. 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. To reset an AO Smith water heater, locate the red reset button within the electric panel and remove any insulation that may be beneath the panel. A O Smith Troubleshooting Gas Water Heaters HD Supply. Electric Vs Gas Tankless Water Heaters A Comprehensive Guide, Hybrid Water Heater vs Tankless: What You Need to Know, Rinnai Tankless Water Heater Cleaning Kit: Keep Your Heater Efficient, Water Heater Aluminum vs Magnesium Anode Rod. And it's all in short to reset your water heater. We lost power last week and ever since then, when we use hot water- the hot water heater sets itself back into vacation mode. Check the thermistor wiring and ensure connections are good and not loose or broken. Main Menu. Why Does My Electric Water Heater Reset Button Keep Tripping? 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. If the thermostat isnt working right then the water wont be heated and the circuit will turn off. How To Fix Your AO Smith Brand Water Heater Thermostat - YouTube This tankless water heater is equipped with a computer board that regulates the heating process, helping the users to deal with various problems. Visit the Product Support section. Sometimes, these codes wont occur on display. Here is a step-by-step guide on how to do just that: 1. Smith gas and electric tank heaters, the reset button is located below the top panel cover on the side of the water heater. Unfortunately, if the unit does not function properly and the reset button trips and falls again, then I would recommend that it is better to call the expert to further solve the issues properly. The thermostat in your AO Smith water heater essentially works as the brains behind the heating of the water within your unit. Locate the thermostat on the water heater and turn it to the Off position. There are many other important working parts that ensure the smooth function and overall operation of your AO water heater, such as the thermal switch. These tankless water heaters can be reset by first disconnecting all the electrical and gas connections in order to prevent short circuits. This self-diagnostic function helps in detecting the problem. These units are powered by electricity, natural gas, and propane. I will bookmark your blog and check again here regularly. The thermostats in the water heater are responsible for monitoring the temperature in the tank. In this article, Ill be addressing how you can reset the tankless water heaters by yourself in just a few simple steps easily. You will then press the red button, hear it click, then the reset will complete. The spark on the gas burner is ignited, warming water in the heat exchanger. The reset button will be located right inside the panel. AO Smith Tankless Water Heater Stuck In Standby Mode [Fixed] Following are the reasons through which you can detect that your tankless water heater is bad: What type of maintenance does a tankless water heater need? The best part of this tankless water heater is that it is equipped with a highly responsive control panel that maintains the temperature of the water heater. It works ok if you use the control panel to set the temperature for a shower. Due to this, I will recommend the users to just give a read to the guide in order to determine the exact location of their tankless water heater reset button. To solve this issue, you should thoroughly check the units wiring. Before resetting the Navien tankless water heater, you should understand these various error codes on display. 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. Hot Water Heater Reset Button (Where to Find It and What it. When the water temperature rises in an uncontrolled fashion, the reset button is tripped. This guide will walk you through the detailed process of How to Reset Tankless Water Heater and bring it back to the functional track. IT. AO Smith tankless water heaters equipped with the remote controller have a great advantage; a self-diagnosing function that helps in diagnosing the heating problem. 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. This is the most common tankless water heater, available in an affordable price range. 199,000 BTU Non-Condensing Ultra-Low NOx Indoor Tankless Water Heater Ensure there is no electricity going to the heater when you inspect the unit. 3. I am quite sure Ill learn many new stuff right here! problems, and solutions, let's first see how condensing and tankless water heater works. A.O. Smith Recalls Residential Water Heaters - Consumer Reports Also, turn the knob off in order to control the temperature. 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. When the red light turns green, this identifies that the unit is repaired and is back in its functional state. People looking for a residential water heater can choose from multiple options including gas, electric,. When completely rebooted, run the hot water faucet from any area and see if hot water is present. Check for obstructions such as bird nests or leaves in the vents. 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. Save my name, email, and website in this browser for the next time I comment. } Rinnai and Rheem are their main competitors in terms of brand recognition. Nobody likes a cold shower, and it's easier to do many household tasks with hot water. Smith Water Heater Troubleshooting Guide. Of course, each unit has a different rating, so compare models before you buy. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Even with the convenience and quick access to hot water this unit can afford, you might find there are times when a reset is needed to restore some functions back to a good working order. In the United States, A.O. All of the above error codes all point to the same problem: an issue with your gas solenoid valve. Once you've found the water heater, the reset button is typically located on the upper thermostat. If your water heater is electric, youll need to reset it by flipping the circuit breaker. You might be facing difficulties in resetting your tankless water heating unit thats why you landed here. Thank you. The first step is to turn off all the electrical connections to prevent the short circuit. But if this error shows again, you must check the sensor and change it if necessary. After that find the reset button and then press it hard for a few minutes and then release it. 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. First, find the thermostat on your water heater and turn it to the Off position. To do this, remove the electrical panel from the unit, take away any insulation, press the red reset button until it clicks, and once clicked, the reset will complete. Also, make sure that there is no debris or condensation present on the burner that prevents ignition. If there are any burn marks on the computer board then this is a sign that your water heaters computer board is overheating and cutting out. How To Repair Code 391 Ao Smith Tankless Water Heater After finding the location of the reset button, press it and then release it back. Complete Guide 2022, How To Fix Your Water Heater Leaking From The Top 2022, Water Heater Leaking From The Bottom? Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. In this way, the unit starts functioning properly and heats the water in less time. If you arent particularly keen on tankless water heaters and prefer to stick with a water heater that still has a tank to heat what is within, then you know that the tank looks much different than that of a tankless water heater. A. O. Smith University can provide customized live video training over the Internet directly to your company. Also, remove the insulation cover that is there on the reset button. Remove the top panel cover on the side of the unit by removing the screws that hold it in place. This can be found behind the electric panel and once pushed, wait for the button to click to indicate the reset has completed and was successful. Remove the access panel from the front of the water heater so you can access the thermostat and heating elements. Look for a damaged wire, especially near the heat exchanger. Copyright article owner is ReadyToDiy.com for this article. Manuals - A. O. Smith MEA It lets you know about the failure of the mixing thermistor. If the water heater works properly, it will provide hot water excessively. Then find the reset button of the unit. Locate the temperature control knob on the front of the unit and turn it to the Off position. How to Adjust the Temperature on an AO Smith Electric Water Heater - Hunker The reset button will be located right inside the panel. Also, make sure there are no obstructions in the venting system, and the distance between the intake and exhaust is not too small. Step 1: Disconnect Your Tankless Water Heater Before starting anything, you have to disconnect your water heater from the power connection. This is usually caused by scale build up which locks the motor drive. Have you ever noticed what happens when you activate the hot water tap and all you acquire is chilled water? Before discussing the AO Smith tankless water heater problems and how to reset AO Smith Promax water heater, lets see how the water heater operates. Pump & Expansion Tanks. Troubleshooting AO Smith Condensing Water Heaters | Error Codes List 2. 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? Turn on the button and then flip the breaker to start the tankless water heater. intelli vent troubleshooting guide AO Smith Water Heaters. It happens if you detach the remote from the appliance while the power is on. The solution to this problem is just the same as the previous error code check for broken wires, damage, loose connections, dirt and debris. We will assume that your appliance, before the issue occurred, was accurately deployed according to codes and instructions of the brand.