Another sign that this is the issue is if the error code is blinking five times. 01 - AO Smith Water Heater Igniter Some water heaters use an igniter to ignite the gas. But if the problem occurs, then you must reset it. The error code of blocked air supply is error code 10. The A.O. ReadyToDIY is the owner of this article. To reset an AO Smith water heater, the most standard method is by pressing the reset button located on the until. Ao Smith Power Vent Water Heater Installation By heating the water as it flows through the pipe, shortages of hot water come few and far between. Examine the fan and burner for dirt and grime, and clean if required. Residential Gas. Best power vent water heater reviews. 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. The last step is to return back to the electrical panel and cover it by turning ON the breaker. All of the above error codes all point to the same problem: an issue with your gas solenoid valve. Types: A. O. Smith offers a wide range of residential and commercial water heaters. Find the electric panel on the heater and open it, using a screwdriver to unscrew the nuts that hold the cover. How To Repair Code 391 Ao Smith Tankless Water Heater This final error code indicates that there is a false flame being detected within your water heater. { AO Smith Tankless Water Heater Troubleshooting - Your Complete Guide 2021 Product Type: Tankless Heater. Check the connection between the device and remote and confirm you have the right remote. Besides that, more errors also require resetting of the whole unit. Find the breaker that is labeled water heater. The best solution to this problem is to ensure that the gas supply is proper and the ignitor produces a spark when the gas flows. Also, flush the heat exchanger. Wait for about an hour, then turn the thermostat back to the On position. This code means there is flame loss during the operation. How To Reset Ao Smith Gas Water Heater? - ERNIEGRAVES You will then press the red button, hear it click, then the reset will complete. As an Amazon Associate, we earn from qualifying purchases by linking to Amazon.com. 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. Flip the circuit breaker back to the On position and wait for about an hour for the water heater to heat up before using hot water from it. If there is a power overload or one of the elements is not working, the reset button trips and lights up. You might be facing difficulties in resetting your tankless water heating unit thats why you landed here. How To Reset Ao Smith Water Heater? Circuit breakers deteriorate as they age as well. The venting was done according to the code, the correct type was utilized, and the device obtained an adequate air supply. Instruction Manuals | Residential Gas Tankless | A. O. Smith Residential Gas Tankless Product Literature Product Support Looking for out of production models? Then find the heater reset button and press it. Also make sure that all sensors, electrical components, and other wiring systems are in a proper position in order to avoid short circuits. After this, turn ON the water supply for 3 minutes and then check the temperature of the water. [Solved] A.O. Smith Tankless Water Heater Stuck in Standby Mode Tankless Water Heaters. How to Reset AO Smith Water Heater - Ready To DIY How to Reset a Tankless Water Heater - PlumbersStock Smith Water Heater Troubleshooting - YouTube If you're looking for help fixing your A.O. If the condensate drain is not properly installed on the vent collar of the water heater, then there could be water in the internal combustion engine. It means there is miscommunication between the unit and the remote controller. The times, Read More How To Flush A Tankless Water Heater? In such a case, resetting the tankless water heater is necessary in order to solve these problems. 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. They are equipped with dedicated buttons that can be used to reset the tankless water heater without removing any of its parts. Shut off the power supply. Reconnect All the Electrical Connections, How to Reset Takagi Tankless Water Heater, How to Reset Rinnai Tankless Water Heater, How to Reset a Rheem Tankless Water Heater, How to Reset a Noritz Tankless Water Heater, How to Reset Ecosmart Tankless Water Heater, How to Reset AO Smith Tankless Water Heater, How to Reset Navien Tankless Water Heater, Navien Tankless Water Heater Error Codes and How to Solve Them. Sometimes the reset button wont turn on if. 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. After you hit the reset button, you should hear a clicking sound to indicate you successfully reset the water heater. Manual for 1500 - 3000 models. Intake and exhaust terminals must have accurate clearance between them. Visit the Product Support section. Find the circuit breaker that controls power to the water heater and switch it to the Off position. Remove and keep the insulation. Before moving further, check that either the gas is connected to a cylinder or gas meter. In this article, Ill be addressing how you can reset the tankless water heaters by yourself in just a few simple steps easily. 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 in case the reset button falls back and trips again, it will be better to call the expert for solving this issue. 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 most common causes of failure of tankless water heaters are blocked exhaust or air supply, flame failure, ignition problems, and much more. Here are some reasons why the reset button may trip. Electric Vs Gas Tankless Water Heaters - A Comprehensive Guide, tankless water heater is that it operates on electricity. 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. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . This error happens when there is an ignition failure in the unit and power failures. The important feature of the broken flow sensor enables the tankless water heater to run cold as well as hot water. 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. [Fixed], Honeywell Water Heater Gas Valve Reset (How-To Guide), 15 Common Rheem Error Codes [Ultimate Guide], Rheem Tankless Water Heater Code 11 (Fixed), Top 5 Navien Tankless Water Heater Problems [Fixed], Whirlpool Duet Dryer No Power To Control Panel (Causes + Solutions), Go to the electrical panel for your home which is located in the garage or on the exterior walls of the house. We lost power last week and ever since then, when we use hot water- the hot water heater sets itself back into vacation mode. AO Smith water heaters have a lifespan of more than 20 years. Identify the electric panel of the unit and remove its cover. problems, and solutions, let's first see how condensing and tankless water heater works. To replace a broken or damaged ESM module, see page 36 for ordering information. If the resetting process is delayed, the water heats up so quickly and at a higher temperature which is very dangerous. . Also, make sure the gas pressure is at the correct level. Verify there are no cuts and burns on the wire connections and also they are not loose. Check the thermistor and change if damaged. Some units have a button in each location. The fan motor could also be blocked by dust, debris or dirt and needs a clean. 4. If the igniter fails, the burner will not light. Manufacturers design access to the button for safety and to prevent accidental activation. Another sign that you are facing the same problem would be if the LED light is blinking once. But still, by taking certain preventive measures, you can still solve this problem at home. It will start heating the water within 10 minutes. Go along with the following steps to reset your AO Smith Electric Water Heater correctly: Locate the breaker box and flip the water heater's circuit breaker to the off position. Once you open the cover, the button will be hidden under a protective material, either insulation or Styrofoam. To reset an AO Smith gas tankless water heater, you will need to turn the hot water tap off and wait for five minutes. Turn the temperature adjustment knob to the desired setting. Main Menu. 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? 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. Each and every day at A. O. Smith, we are working on developing state-of-the-art solutions that are pushing new boundaries and paving the way in our industry. You can troubleshoot the issues yourself, but we would recommend you hire expert troubleshooting services. To see how to reset an AO Smith electric tankless water heater, continue reading below. How to Reset a Water Heater (In Simple Steps) - Sensible Digs [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. Locate the temperature control knob on the front of the unit and turn it to the "Off" position. Turn on the button and then flip the breaker to start the tankless water heater. Step By Step Instructions, How To Flush A Tankless Water Heater? Troubleshooting Every AO Smith Water Heater Problem, The Ultimate Guide to Resetting Any Water Heater, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Note: All indoor, non-condensing tankless water heaters from AO Smith must use category III stainless steel venting. This error code is closely related to the error code 11 (111) as it is a sign that your water heater is losing its flame. However, if the code comes back, you need to change the PC board. However, sometimes the provided manuals and instruction guides are not very clear and if you need help addressing some error codes that are popping up on your AO Smiths tankless water heater, then we have got you covered. window.mc4wp = window.mc4wp || { AO Smith Tankless Water Heater Parts - SupplyHouse.com If your Ao Smith water heater isnt working properly, you may need to reset it. Never tamper with a water heater that's still powered on. This is an older Atmor 24KW model, and has only been in operation about 2 years. This indicates that the thermostat is not functioning properly. Scale is caused by water settling on heat transfer surfaces and the impurities build up into a hard, crusty layer. Most tankless water heaters are equipped with two buttons for controlling the thermostat of the water heater. If the problem lasts, replace the PC board. The surrounding air should not be polluted. Different manufacturers might have different resetting settings so well dig into the detail of how to reset some best-selling tankless water heaters. 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? If you are not able to push in the reset button and hear the click, this could be an indication that the reset button itself is defective and in order to resolve such a problem, it may need to be replaced. Why does the tankless water heater go cold? Clean your AFR rod of any soot, and check for any damage or loose connections to see if you need to find a replacement. 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. A tankless water heater is one of the most useful and highly durable appliances that regulate hot water and supply it during dishwashing or taking showers. Your email address will not be published. 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. This error code is usually a sign that there is some kind of blockage in your vents, gas burner or fan motor. It functions just like an outlet thermistor, but is found on your inlet pipes instead of your outlet pipes. This post was published on 2022-04-04. internal freeze protection system, air fuel sensor system, water temperature control, etc, providing security to the users. 1. 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. OWNER ONLY. This error is caused due when the exhaust overheats. Also, remove the insulation cover that is there on the reset button. However, with a model number we can check to see what yours is capable of. But before that, it is advised to turn off all the connections again until the issue is not solved properly. [Gas, Electric, Tankless Water Heaters Complete Guide 2021], How To Reset Rinnai Tankless Water Heater? If your AO Smith water heater is not getting hot, there are a few potential reasons why. I'm a homeowner and I like to do things myself. This article will show you where to find the A.O Smith water heater reset button. Clean away any dirt or debris and check the quality of the connection wires. Note the color of the light that changes from red to green which indicates that the unit is functioning properly.