It is caused due to the overheating of the heat exchanger because of high temperature. Head to your hot water tank. As an affiliate of retailers(like Amazon), we earn from qualifying purchases. Once you have the vapor sensor removed after disconnecting both spade connectors, you will then need to place the flammable vapor sensor in a well ventilated area for at least four hours to allow the device to reset. How to Reset a Water Heater (and Why You'd Need to) AO smith water heater repair, how to fix high limit switch, how to repair over heating water heater, water heater scolding fix, how to repair ao smith themos. The last step is to return back to the electrical panel and cover it by turning ON the breaker. Besides that, more errors also require resetting of the whole unit. 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. If the remote controller is not deployed on the unit, and there is something wrong, the code will be displayed differently. Once you have found the thermostat, you will need to identify the temperature adjustment knob. It usually means that there is a problem with the bypass valve. The next step is to press and hold the reset button for a few minutes until hearing the clicking sound. The best part of these tankless water heaters is that they do not require much maintenance. Turning off the electricity to your A.O Smith water heater should be the first step in your troubleshooting process. Most tank water heaters have an average lifespan of 8 to 12 years, and tankless water heaters can last as long as 20 years. Furthermore, the user can even reset the unit by using the software. 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. Why does the tankless water heater go cold? A faulty thermostat, old internal parts, electrical problems, bad heating elements, etc are some of the issues related to this tankless water heater. Tankless water heaters are well-known for their dependability and efficiency. It indicates that there is something wrong with the flow sensor. Ensure that the unit receives enough water to complete the circulation this way, the water pressure will be equal in the whole unit. If your water heater is gas-powered, theres a good chance that it has a pilot light. Find Your Solution Fast & Easy Great! Alternatively, the error code will flash four times. Locate the temperature control knob on the front of the unit and turn it to the "Off" position. The thermostats in the water heater are responsible for monitoring the temperature in the tank. Ao Smith water heaters are one of the most popular brands on the market. Also, make sure the gas pressure is at the correct level. What Are Electric Tankless Water Heater Installation Requirements? 2. Was it enjoyable? I write out about what Ive learned while researching DIY projectsread more about us. Check for obstructions such as bird nests or leaves in the vents. Head to your hot water tank. While its fun and sometimes more cost effective to Do It Yourself. Manual for 300 models. Flip it to the off position. It is indicating the incorrect gas combustion. Consumers with Reliance, State, A.O. We have unplugged it a read more In accordance with the warranty terms and conditions specified below. This button is located in the lowest corner opposite the on and off switch. This thermistor should be found attached to your water heaters exhaust. Support Documents for All Water Heater Models | A. O. Smith The last step is to reconnect all the electrical and gas connections and turn on the breaker, providing electricity to the unit. As a leader, we refuse to sit quietly. This debris will be what is preventing your water heater from functioning properly. Top 494 A. O. Smith Water Heaters Reviews - ConsumerAffairs 4. However, there are tankless water heaters that are equipped with a reset button that can be pressed easily without any difficulty. Checking for and removing electrical problems as a possible reason of your units reset button tripping is an important step in the troubleshooting process. I like the helpful info you provide in your articles. If the problem lasts, replace the PC board. Besides, the flow sensor impeller should be free from debris. 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. This error code is telling you about the flow adjustment valve fault. In order to avoid the difficulty of switching off the whole system, the user has to identify the circuit breaker and check the breaker panel that provides electricity to the tankless water heater. In this post, well instruct you about how to clean thermocouple on water heater yourself. Are you looking for a detailed guide on AO Smith tankless water heater troubleshooting? The breaker is usually located in the main electrical panel, and it will be labeled water heater or something similar. If your Ao Smith water heater isnt working properly, you may need to reset it. When you cant fix the error codes and there are more issues with your water heater, you should go for resetting. Another sign that this is the issue is if the error code is blinking five times. Press the reset button. Visit the Product Support section. Still, if there is any problem, you should replace the ignitor with a new one. 5. Inlet Gas Pressure: 4.0-10.5"W.C. 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. AO Smith Water Heater Reset Button [How To Reset] - FireplaceHubs Reset Button on Water Heater Doesn't Click - PlumbersStock Within 10 seconds, press both the temperature up and down buttons until you see that the vacation LED lights are blinking, release the buttons, then press them until the LED lights are steady. } After disconnecting all the electrical connections, the next step is to identify the location of the reset button. Water heaters provide a luxury to individuals that many seem to overlook until they are left without the hot water that such units provide. Tankless devices require far less maintenance and servicing than tanked heaters, but it is still essential, Read More How To Reset Rinnai Tankless Water Heater? This error code indicates that there is a problem with the flow sensor on your AO smith 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. This section will go through the importance of summer maintenance dependent on the type of water heater you have: tankless, electric storage, or instant. This error should really be addressed by a technician, but you can also open up your water heater to check for any wire breakages or loose connections. 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. Examine the wire connections of the thermistor and make sure they are good and not damaged. If you are dealing with minor issues from your AO Smith water heater or are looking to see how to reset various components of the unit, there are methods laid out to make sure the reset is successful. However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. problems, and solutions, let's first see how condensing and tankless water heater works. 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. I would recommend being patient at this point as it might take some time. There are actually many types of thermistors in your water heater and thus, any error codes that relate to problems they are facing. However, if you have tried all the error code solutions and reset the unit yet the problems occur, you should consult the Navien electrical support unit or hire a plumber. Its a small device adjoining, Read More How To Clean Thermocouple On Water Heater Complete GuideContinue, If your energy expenditures are bogging you down, and you are trying to find a way to reduce your monthly bills, you can transition from a tank-style heater to a tankless water heater. [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. How To Repair Code 391 Ao Smith Tankless Water Heater Smith water heater in your home, you may be wondering how to unlock it. Products: Filters . Is there a reset button located on my tankless water heater? 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. 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. If it is, then the next thing to check is whether or not the pilot light is lit. 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. It operates by delivering signals to the heating element, which either turns on to boost the temperature or turns off to lower it. The model number on the tank is R2VR-180E 100 Mike Whisler New Member Messages 7 Reaction score 0 Points 1 Location Chehalis Apr 4, 2020 #8 WorthFlorida said: However, different types of water heaters necessitate varying levels of upkeep. You should try the most common fixes first. Also, make sure that there is no debris or condensation present on the burner that prevents ignition. To reset an AO Smith electric tankless water heater, you will follow the same steps as previously mentioned for the gas water heater. PDF Download Pdf Ao Smith Water Heaters Troubleshooting Your Smith water heater should now be reset and ready to use. They are also ultra-low NOx. If you turn the cold water knob on any at all the heater starts cycling on off and then shuts off. 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. In most cases, it can be difficult to press the reset button due to its sticky nature. This error code occurs when the unit detects a false flame. This guide will walk you through the detailed process of How to Reset Tankless Water Heater and bring it back to the functional track. After that find the reset button and then press it hard for a few minutes and then release it. This is the final error code for thermistor failure. Get a flat head screwdriver and remove the nuts that hold the upper access panel in place. [Solved] A.O. Smith Tankless Water Heater Stuck in Standby Mode Most tankless water heaters have their reset button present on the front or back side or at the control panel. If this error code has appeared on your AO Smith tankless water heaters LED screen, then this is a sign that you have set the incorrect settings for the dipswitch. The best way to solve this problem is to clean the filter and flush the heat exchanger. It is informing you about the failure of the inlet thermistor. The heating element is responsible for raising the temperature of the water in the tank. Heres How To Troubleshoot It 2022, Tankless Water Heater Frozen Do These Things To Fix It. Solution: This issue usually occurs in gas devices. How Many Amps Does A Tankless Water Heater Use? 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? Even so, some units need to be reset and if your water heater is in need of such, what does this process look like? Mostly the location of the reset button is neat to the thermostat or it may be placed under the removable metal panel. 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. Find the water heater's access panel and remove it. One of the factors that leads many home owners to choose the brand is its dependability. Check the thermistor for dirt and clean if required. It lets you know about the failure of the mixing thermistor. Manual for 1500 - 3000 models. Once your inlet thermistor is clean and properly connected, then the error code should vanish and your water heater return to its usual state. You must check that the primary wire is connected to the unit property to solve this issue. I just installed a tankless hot water heater in my RV. To perform an AO Smith water heater gas valve reset, turn the power the water heater off and back 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. Alternatively, it could be that debris has affected the flow sensors impeller and just needs a bit of cleaning to get back to functioning as normal. 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? A.O. SMITH WATER HEATERS INSTRUCTION MANUAL Pdf Download If the water heater works properly, it will provide hot water excessively. } However, if the code comes back, you need to change the PC board. The water should not flow out. 1. or The venting was done according to the code, the correct type was utilized, and the device obtained an adequate air supply. These units are powered by electricity, natural gas, and propane. 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. Waterheateradvisors.Com Is A Participant In The Amazon Services LLC Associates Program, An Affiliate Advertising Program Designed To Provide A Means For Sites To Earn Advertising Fees By Advertising And Linking To Amazon.Com. With the passage of time, the functioning of the tankless water heaters can be interrupted by various types of issues that need to be solved on time. Now, go to the temperature controller and press the On/Off button twice. As An Amazon Affiliate We Earn From Qualifying Purchases But This Does Not Affect Price Of Product. With years of experience under his belt, Adam decided to put his water heater knowledge to work. Once you've found the water heater, the reset button is typically located on the upper thermostat. Before resetting the Navien tankless water heater, you should understand these various error codes on display. 5. Do tankless water heaters need servicing? The red LED light on the computer board will show to inform you the unit is on. intelli vent troubleshooting guide AO Smith Water Heaters. Atmor tankless water heater is a globally recommended option because of its high durability and high efficiency. We lost power last week and ever since then, when we use hot water- the hot water heater sets itself back into vacation mode. In many circumstances, you can see when there is an issue with the wiring of your units components. Also, look for any accumulation on the valve and clean it if necessary. Now you know about error codes and AO Smith tankless water heater troubleshooting, you can initiate fixing any issues on your own.However, if you are unsure how to fix the problem, call an expert technician.We hope you found our article helpful and enlightening.If you have any tips or questions, feel free to reach out to us, and dont forget to share it with your friends who own an AO Smith heater. Make sure the resistance valve is 10.75 Kohm. WaterHeater HUB 2021 - All Rights Reserved. After that, identify the reset button and press it hard for a few seconds. But if this error shows again, you must check the sensor and change it if necessary. This numerical code is telling you about the ignition failure. The A.O. Thermistors are an important component of any water heater as it helps your water heater heat your water to the correct temperature. Ensure that the water circulates appropriately so that the unit does not overheat again. To do this, open the electric panel on the water heater and remove any insulation that is behind the panel. Press the reset button. It will be a red button concealed inside the panel by insulation. If in case the reset button falls back and trips again, it will be better to call the expert for solving this issue. Check if the thermostat is normal and if water gets heated above the set temperature this causes the breaker to trip off. Copyright 2023 Heater Guides. Best power vent water heater reviews. If your water heater is electric, youll need to reset it by flipping the circuit breaker. The tankless water heater will start heating the water properly in an excess amount. Here is a step-by-step guide on how to do just that: To reset an AO Smith gas water heater that is non-tankless, remove the electrical panel that is located on the outside of the water heater and take away any insulation thats placed behind it. This error code is another thermistor failure but this time, it is referring to the mixing or mix thermistor. This error code indicates that there is a problem with your water heaters computer board. Any ideas? If it is damaged or has a short in it, the temperature of the water will continue to rise. Commercial Electric. Check the exhaust pipe for a blockage and clear the intake air filters by cleaning them with water. AO Smith water heaters have certainly made a name within the industry as a reliable, affordable, and generally long-lasting product. This can be done by following a few simple steps. Just like with the previous thermistor failure errors, you should follow the same process to solve it. AO Smith electric water heater keeps shutting off, e02 If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. Then find the reset button of the Rheem tankless water heater which is behind the insulation and press it inwards for a few seconds and then release it. Most of these common issues are water heater leaking, water heating issue, the noise of the heater, and much more. In the following case, keep the tankless water heater turned off. The gas should be on and at the correct pressure. There are even certain. Smith gas and electric water heaters are quite common. 1. However, with a model number we can check to see what yours is capable of. The electric fan and gas valve will adjust to deliver sufficient power for a given flow depending on the water flow rate. If there is a power overload or one of the elements is not working, the reset button trips and lights up. To solve this problem, you must check the air filters and the fan motor. Extreme weather conditions such as storms or improper gas pressure could cause abnormal gas combustion. If you find a broken wire, immediately replace it by calling the Navien technical support unit or resetting it. Where this thermistor is will vary from model to model, so you will need to check your manual to find it on your water heater. 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. AOSmith R2VR-180E 100 Tankless fluctuating hot and cold Before you begin opening the heater, figure out where it's plugged into the wall and turn off the electricity. In order to start the resetting process, the very first and most important step is to disconnect all the electrical connections with the help of remote control. 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. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], How To Reset Rinnai Tankless Water Heater? 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. Your email address will not be published. One of the most common issues related to this tankless water heater is that it often provides hard water and installing it in an area of hard water gives the users a hard time as they have to replace the heat exchanger several times. Electrical issues are a common cause for the A.O Smith water heaters reset button to trip. By heating the water as it flows through the pipe, shortages of hot water come few and far between. RVs are designed to fulfill all the basic needs you enjoy, Read More How To Convert RV Water Heater To Tankless? Probably not. For a permanent solution to the problem, the user needs to call an expert. Find the circuit breaker that controls power to the water heater and switch it to the Off position. Smith Water Heater, look no further! In order to solve this problem, identify the venting material that is acceptable to the unit. If there is a scale build up, then you should also check for any water leakages that are causing scale to build up inside your water heater. Find the breaker that is labeled water heater. SOLVED Ao smith manual Fixya. To solve this problem, you will need to find the correct settings for your water heaters model and reset them on the computer board. If in case, cold water is entering the system, then this control board maintains and adjusts the flame. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Pump & Expansion Tanks. How To Reset Your Tankless Water Heater - YouTube A. O. Smith University can provide customized live video training over the Internet directly to your company. 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. However, the reset button doesn't need to always be near the thermostat. Debris and dirt could also be affecting the thermistor, so clean anything away and try again. If the unit accepts the venting material then check the flue inlet or exhaust for removing the blockage. Instant Hot Water I followed your instructions and it worked, thank you for writing this post it helped me a lot! Home | A. O. Smith Corp. Check to see if the water heater is now working properly. Most tankless water heaters have their reset button present on the front or back side or at the control panel. Pinpoint the switch on the computer board and make sure the settings are according to the user manual. Intake and exhaust terminals must have accurate clearance between them. Switch off that circuit breaker. This post was first published on 2022-04-04. If your water heating system is not warming water properly, you may have a rusted or conceded thermocouple. There are several reasons behind the failure of the tankless water heater. Main Menu. Remove the top panel cover on the side of the unit by removing the screws that hold it in place. Then find the heater reset button and press it. window.mc4wp = window.mc4wp || { Each element has its own thermostat which "talks" to the other, ensuring that only one heating element is . You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. The from of factors ensure leads many home owners to choose the brand is its dependability. 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. This is usually caused by scale build up which locks the motor drive. After that, release the button and turn the thermostat back to the On position. 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. 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. Includes an United Declare, A.O. In most cases, it could be a simple breaker problem, and depressing the switch resets the system. 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. Noritz tankless water heater is another highly durable tankless water heater. Although a standard water heater with a tank is more familiar to most, if you are looking to reset the unit but arent quite sure how, continue reading below to see how this can be done. electrical panel and look for the water heater. It is typically located on the front of the unit. Check the thermistor wiring and ensure connections are good and not loose or broken. You might be facing difficulties in resetting your tankless water heating unit thats why you landed here. Check the thermistor and change if damaged. About Water Heaters; Register Your Water Heater; Support; Water Filters. If there is no scale, then you should also check the connections and wires for damage or looseness. Turn it off to provide security. Look no further. In this way, the unit starts functioning properly and heats the water in less time. A.O. The fan motor could also be blocked by dust, debris or dirt and needs a clean. 2. Download Ao Smith Water Heaters Troubleshooting. OWNER ONLY. If so, you have come to the right place. 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. Furthermore, the presence of a large amount of air in the gas line can also be one of the reasons for ignition problems. Water Heater Maintenance Tips for the Summer - A. O. Smith India | Buy After you hit the reset button, you should hear a clicking sound to indicate you successfully reset the water heater. You might want to reset the computer to clear . 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. Electrical Problems (Bad or loose Wiring and Circuit breakers). Gas Connection: 3/4" Water Connection: --->Overriding The Energy Smart Module (ESM) If the Energy Smart Module (ESM) is not working: Simply unplug the interface module and turn the set point knob on the Electronic Thermostat (ET) to the desired temperature (See Figures 9 & 10). Manuals - A. O. Smith MEA Once youve found it, press and hold the reset button for 30 seconds. 1. If so, simply relighting the pilot light should do the trick.