In such a case, resetting the tankless water heater is necessary in order to solve these problems. Though, to reset an AO Smith electric water heater, what can be done? After that, the fan initiates, the igniter produces the flame, and the gas valve opens. If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. Clean away any dirt or debris and check the quality of the connection wires. 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. 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. Step 1: Disconnect Your Tankless Water Heater Before starting anything, you have to disconnect your water heater from the power connection. Solution: This issue usually occurs in gas devices. The breaker is usually located in the main electrical panel, and it will be labeled water heater or something similar. Never tamper with a water heater that's still powered on. To reset an AO Smith water heater, the most standard method is by pressing the reset button located on the until. 1. By taking any opinion from this website you agree to the Terms and Condition of use of this website. It is critical to supply the device with power and an accurate connection to have the device operating efficiently. Most of these common issues are water heater leaking, water heating issue, the noise of the heater, and much more. When the water within the tank reaches a temperature that is too low, the thermostat will read this and trigger the heating elements to get to work and start heating the water needed. 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. Head to your hot water tank. Most tankless water heaters have their reset button present on the front or back side or at the control panel. Furthermore, if in case after resetting the unit, if still it displays the error code then push the knob for a few seconds again. The electric fan and gas valve will adjust to deliver sufficient power for a given flow depending on the water flow rate. The easiest way to reset your Navien tankless water heater is to press the reset button. Ao Smith water heaters are one of the most popular brands on the market. You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. Step by Step Complete Guide 2021, codes and troubleshoot your system without requiring, How To Determine The Age Of A Water Heater? After that, identify the reset button and press it hard for a few seconds. Durable Copper immersion two heating elements, field Serviceable. In most cases, it could be a simple breaker problem, and depressing the switch resets the system. Now, you should be able to understand how these error codes work and what they mean. There are several reasons behind the failure of the tankless water heater. { 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. When you open your electrical panel, you may notice that they are hot to the touch, and you may even smell burning. Contents hide 1 ao smith water heater 2 what's in the box? 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). This debris will be what is preventing your water heater from functioning properly. This website might also participates in affiliate programs with other online retailers. Water Heating Also, make sure there are no blockages in the vents. forms: { If the resetting process is delayed, the water heats up so quickly and at a higher temperature which is very dangerous. Its due to a thermostat fault in either the upper or lower heating element. Smith tankless water heater. After drying, fix the filters, and the error will be no more. Enter it here for your fast and easy solution: Start with your model number Need help finding your model number? The reset button is there to protect the appliance from bigger damage. After that, turn off the hot water tap. A.O. Mostly the location of the reset button is neat to the thermostat or it may be placed under the removable metal panel. The best way to solve this problem is to clean the filter and flush the heat exchanger. Electric water heaters have 2 thermostats, an upper and a lower one. 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. Categories AO Smith Water Heater, Home and Kitchen, Water Heater. The next step is to turn the knob of the thermostat in a clockwise direction to maintain the temperature level at the highest point. Find Your Solution Fast & Easy Great! The gas should be on and at the correct pressure. 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? In most cases, it can be difficult to press the reset button due to its sticky nature. It is caused due to the overheating of the heat exchanger because of high temperature. Check there are not burnt or damaged wires on the control board. If there is no scale build up, then you should check the connections and wires around the flow adjustment valve. Sometimes if you are lucky, it could just be a bit of soot blocking the sensors other times, you may need to find a replacement AFR rod as soon as possible. The A.O. Apart from this, it is also a great option for commercial and residential use. Another sign that you are facing the same problem would be if the LED light is blinking once. --->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). After releasing the press button, wait for a few minutes and observe the function of the tankless water heater. A. O. Smith University is a free online training site that offers certification and continuing education courses on residential and commercial water heating products. Instruction Manuals | Residential Gas Tankless | A. O. Smith Residential Gas Tankless Product Literature Product Support Looking for out of production models? The basic lifespan of an AO Smith water heater is between 10 and 12 years. First of all, turn off all the outlets attached to the unit in your residence. 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. 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. There could be an issue with the power supply of your water heater and thus it could be failing. My hot water heater keeps going into vacation mode. callback: cb The reset button will be located right inside the panel. In A.O. It means the air-fuel ratio rod has failed. When owning a hot shower button using your flat, them mayor occasionally encounter A.O Smith Water Heater Reset Push (Ultimate Guide . 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 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? Gas Connection: 3/4" Water Connection: Locate the temperature control knob on the front of the unit and turn it to the Off position. To reset an AO Smith gas tankless water heater, you will need to turn the hot water tap off and wait for five minutes. 5. You have two thermostats because the heater has an upper and a lower heating element. This code tells you about the output thermistor failure. If there is a power overload or one of the elements is not working, the reset button trips and lights up. The electric tankless water heater that is produced by AO Smith is a bit different than that of the gas model, as this unit is powered by simply plugging it into a working electrical outlet. To solve this issue, you should thoroughly check the units wiring. Best power vent water heater reviews. If you turn the cold water knob on any at all the heater starts cycling on off and then shuts off. We are constantly working on providing the best content for our readers. All of the above error codes all point to the same problem: an issue with your gas solenoid valve. Hence, by following these simple two steps, the tankless water heater can easily be reset again. By turning ON the circuit breaker, run the unit for several minutes. Have you ever noticed what happens when you activate the hot water tap and all you acquire is chilled water? 3. There may be some insulation covering the reset button. If you have an AO Smith water heater and you want to reset the unit, take a look below to see what needs to be done to complete this process. Resetting Rheem tankless water heater involves safe, easy, and straightforward steps that everyone can follow. Open up a hot water faucet in your home to allow any residual pressure in the lines to release. You can reset your A.O Smith hot Water heater in four steps. WaterHeater HUB 2021 - All Rights Reserved. Manufacturers design access to the button for safety and to prevent accidental activation. window.mc4wp = window.mc4wp || { Confirm the wires of the gas valve assembly are not cracked or broken before AO Smith tankless water heater troubleshooting. A O Smith Troubleshooting Gas Water Heaters HD Supply. However, if the code comes back, you need to change the PC board. Commercial Oil Fired. And in case, the tankless water heater is still not working properly, turn OFF and ON the breaker again. I find it hard to believe that I have three faulty thermostats, but this heater used to work fine. It usually means that there is a problem with the bypass valve. Wait for the water in the unit to cool before proceeding. You should also ensure they are securely attached. Electric Tankless; Resources. Copyright article owner is ReadyToDiy.com for this article. Moreover, you should also reset the unit if the problem happens again. Intake and exhaust terminals must have accurate clearance between them. 3. AO Smith water heaters have certainly made a name within the industry as a reliable, affordable, and generally long-lasting product. When completely rebooted, run the hot water faucet from any area and see if hot water is present. Turn on the button and then flip the breaker to start the tankless water heater. It will start heating the water within 10 minutes. How to Reset a Tankless Water Heater How to Reset a Tankless Water Heater. About Water Heaters; Register Your Water Heater; Support; Water Filters. If your water heater is gas-powered, theres a good chance that it has a pilot light. It is caused when there is low water pressure on the heating side. Visit the Product Support section. 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? Make sure the resistance valve is 10.75 Kohm. I would recommend being patient at this point as it might take some time. To solve this issue, you need to check for any condensation within the heater. Also, remove the insulation cover that is there on the reset button. 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. Besides, if the water flow rate drops from 0.4 gallons per minute, the device stops working. 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. 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. 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. Fuel Type: Natural Gas. Find the water heaters access panel and remove it. Hi, I'm Eric the blogger behind ReadyToDiy.com. This error code indicates that there is a problem with the flow sensor on your AO smith tankless water heater. They are equipped with dedicated buttons that can be used to reset the tankless water heater without removing any of its parts. 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. Not having immediate ingress to warm water is infuriating and annoying. It lets you know about the failure of the mixing thermistor. Inlet Gas Pressure: 4.0-10.5"W.C. When the tankless water heater stops heating the water regularly and the thermostat fails to regulate the temperature of the water, then the user needs to reset the tankless water heater for the proper functioning of the system. A. O. Smith is proud to be known as one of the world's leading providers of water heating and water treatment solutions. Before moving further, check that either the gas is connected to a cylinder or gas meter. Clean the mixing thermistor or replace it if necessary. Smith Water Heater, look no further! I normally start by looking for faulty wiring and damaged circuit breakers. The important feature of the broken flow sensor enables the tankless water heater to run cold as well as hot water. Every tankless water heater is equipped with a red colored reset button which is located in different spots, depending upon the company. By following simple four easy steps, the users can easily reset the tankless water heater at home and convert it into a functional unit. Then, check the thermistor for dirt and grime, and clean or replace it if required. 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. 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. Noritz tankless water heater is another highly durable tankless water heater. This is a very dangerous problem to solve and I would recommend calling an expert to solve this problem. Takagi tankless water heater is considered to be one of the high-performance and highly efficient tankless heaters that are equipped with many advanced and beneficial features. 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. If the unit accepts the venting material then check the flue inlet or exhaust for removing the blockage. 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. Also, make sure that there is no debris or condensation present on the burner that prevents ignition. Before taking any step further, check the manual guide for clarity. 4 Best 30 AMP Tankless Water Heaters in 2023. 1. If you want to reset the flammable vapor sensor on your water heater, how can it be done? This thermistor should be found attached to your water heaters exhaust. If you are thinking of flushing and cleaning your tankless water heater system in order to get rid of impurities, dirt, and many other related issues then its an alarming situation to reset your system that involves simple and easy steps. Why is My A.O Smith Hot Water Heater Tripping the Reset Button? You will need a screw driver to remove the screws that are holding the cover in place. Once you have found the thermostat, you will need to identify the temperature adjustment knob. Once you've found the water heater, the reset button is typically located on the upper thermostat. If your water heating system is not warming water properly, you may have a rusted or conceded thermocouple. The first step is to turn off all the electrical connections to prevent the short circuit. There are even certain. All Rights Reserved. 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. Follow the color of light that changes from red to green and this indicates that the heater is perfectly fine. Main Menu. Furthermore, in order to keep the working of the machine in proper way, they should undergo regular preventive maintenance, and also their gas or electrical components should be inspected once a month.

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