how to reset ao smith tankless water heater

The AO Smith water heater reset process is simple. 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. Now, you should be able to understand how these error codes work and what they mean. We are constantly working on providing the best content for our readers. After that, find the reset button and press it hard for a few seconds. Pinpoint the switch on the computer board and make sure the settings are according to the user manual. Before you begin opening the heater, figure out where it's plugged into the wall and turn off the electricity. Nobody likes a cold shower, and it's easier to do many household tasks with hot water. 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. Most tankless water heaters have their reset button present on the front or back side or at the control panel. Remove the top panel cover on the side of the unit by removing the screws that hold it in place. } Find the electrical panel and look for the water heater. Another sign that you are facing the same problem would be if the LED light is blinking once. It may be very difficult in Washington State to do tankless electric due to our cold incoming water temperature. Also, look for any accumulation on the valve and clean it if necessary. If you need further direction, try this helpful Homeowner Repair video. Turn the temperature adjustment knob to the desired setting. Check there are not burnt or damaged wires on the control board. Instruction Manuals. There are several reasons behind the failure of the tankless water heater. AO Smith Tankless Water Heater Problems And Troubleshooting Error Code: Remote 03, LED 031, Light Blinks One Time Inappropriate dipswitch setting. Besides, if the water flow rate drops from 0.4 gallons per minute, the device stops working. After that, the fan initiates, the igniter produces the flame, and the gas valve opens. or If it is damaged or has a short in it, the temperature of the water will continue to rise. If it's not there, it's likely somewhere on the lower part of the water heater. Though, to reset an AO Smith electric water heater, what can be done? Disconnect and remove the A.O.'s access panel from the side. 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. If there is no scale, then you should also check the connections and wires for damage or looseness. We have unplugged it a read more Check the thermistor for dirt and clean if required. 4. Smith Water Heater, look no further! Every tankless water heater has its own reset button and the location can vary depending upon the company. Also make sure that all sensors, electrical components, and other wiring systems are in a proper position in order to avoid short circuits. This error code usually means there is a fault with the flow adjustment valve. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Where is the A.O Smith Water Heater Reset Button Located? Commercial Gas. Examine the wire connections of the thermistor and make sure they are good and not damaged. If the remote controller is not deployed on the unit, and there is something wrong, the code will be displayed differently. Once youve found it, press and hold the reset button for 30 seconds. In the following case, keep the tankless water heater turned off. This can be done by following a few simple 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. After that, turn on the unit by reconnecting all the connections. Smith tankless water heater. Best power vent water heater reviews. Hot Water Heater Reset Button (Where to Find It and What it. Alternatively, the error code will flash four times. This thermistor should be found attached to your water heaters exhaust. Inlet Gas Pressure: 4.0-10.5"W.C. If not, repeat steps 1-3. The important feature of the broken flow sensor enables the tankless water heater to run cold as well as hot water. Water heaters provide a luxury to individuals that many seem to overlook until they are left without the hot water that such units provide. It will start heating the water and in this way, the water heater starts functioning properly. But if the problem occurs, then you must reset it. If in case, cold water is entering the system, then this control board maintains and adjusts the flame. After drying, fix the filters, and the error will be no more. 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? Then find the reset button of the unit. Ao Smith Water Heaters Troubleshooting. Most tank water heaters have an average lifespan of 8 to 12 years, and tankless water heaters can last as long as 20 years. 2. Before you start to disassemble your water heater, remember to shut off its power and that you reassemble it correctly. Also, remove the insulation cover that is there on the reset button. Step By Step Instructions, How To Flush A Tankless Water Heater? If the thermostat isnt working right then the water wont be heated and the circuit will turn off. It usually means that there is a problem with the bypass valve. 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. This is probably an indication of a faulty thermostat in either the upper or lower heating element. Some units have a button in each location. TanklessHeaterGuides.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, https://tanklessheaterguides.com/author/tank/, How to Reset Tankless Water Heater: 4 Easy Steps To Follow, How to Reset A Tankless Water Heater Detailed Guide, 4. To solve this error, check the thermistor to see if there are any loose wires or breakages that are causing the failure. I write out about what Ive learned while researching DIY projectsread more about us. By turning ON the circuit breaker, run the unit for several minutes. 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. How do I know if my tankless water heater is bad? 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. Main Menu. It is informing you about improper gas combustion. callback: cb Thank you. The best way to solve these problems is to call an expert as it involves technicality. If the resetting process is delayed, the water heats up so quickly and at a higher temperature which is very dangerous. It functions just like an outlet thermistor, but is found on your inlet pipes instead of your outlet pipes. (function() { However, if the code comes back, you need to change the PC board. AO Smith water heaters are furnished with a remote controller. After that, release the button and turn the thermostat back to the On position. Ao Smith water heaters are one of the most popular brands on the market. If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. Furthermore, the presence of a large amount of air in the gas line can also be one of the reasons for ignition problems. Verify the wire connections are not broken or loose and clean the rod. And in case, the tankless water heater is still not working properly, turn OFF and ON the breaker again. Of course, each unit has a different rating, so compare models before you buy. Smith gas and electric tank heaters, the reset button is located below the top panel cover on the side of the water heater. This is a very dangerous problem to solve and I would recommend calling an expert to solve this problem. Keeping it clean is critical to guarantee the long-lasting operation of your device. 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. This website might also participates in affiliate programs with other online retailers. The process of resetting starts by finding the electrical panel and circuit label. 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. The best part of these tankless water heaters is that they do not require much maintenance. This knob is usually located near the thermostat. How Many Amps Does A Tankless Water Heater Use? 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. 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. How to Reset a Tankless Water Heater How to Reset a Tankless Water Heater. The times, Read More How To Flush A Tankless Water Heater? This error means a problem with limit control and heat exchanger. 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. window.mc4wp = window.mc4wp || { 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. Reason #1: Bad Thermostat. After finding the location of the reset button, press it and then release it back. This sensor also measures the flow of water entering the system and provides information to the control board about the amount of water. Check the connection between the device and remote and confirm you have the right remote. If you need to reset your Smith water heater, there are a few things youll need to do. You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. One of the factors that leads many home owners to choose the brand is its dependability. AO Smith tankless water heaters operate up to 34% more efficiently than conventional water heaters. 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). In order to find and access the reset button, the metal plate has to be removed that keeps the thermostat in position. 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. Hi, I'm Eric the blogger behind ReadyToDiy.com. We will assume that your appliance, before the issue occurred, was accurately deployed according to codes and instructions of the brand. After disconnecting all the electrical connections, the next step is to identify the location of the reset button. Also, make sure that there is no debris or condensation present on the burner that prevents ignition. Another sign that you are facing the same problem would be if the LED light is blinking once. Also, make sure there are no blockages in the vents. 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. However, different types of water heaters necessitate varying levels of upkeep. However, the normal functioning of the tankless water heater can be interrupted by various related issues. Before that, you must switch the unit off for 30 seconds or reset your unit. 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. A faulty thermostat, old internal parts, electrical problems, bad heating elements, etc are some of the issues related to this tankless water heater. Remove and keep the insulation. Most AO Smith water heaters come with a warranty of between 6 and 12 years. I normally start by looking for faulty wiring and damaged circuit breakers. The heating element is responsible for raising the temperature of the water in the tank. Now, go to the temperature controller and press the On/Off button twice. However, this depends on several elements such as the quality of the water, the amount used or how frequently it is used, the temperature setting, and many more. 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. When you open your electrical panel, you may notice that they are hot to the touch, and you may even smell burning. A.O. 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). To perform an AO Smith water heater thermal switch reset, you will need to reset the entire unit. If the reset button is causing a problem, then replace the access panel and then turn the circuit ON. This is an older Atmor 24KW model, and has only been in operation about 2 years. I will bookmark your blog and check again here regularly. Smith Water Heater Troubleshooting Guide. I just installed a tankless hot water heater in my RV. As water fills your hot water tank, the lower and upper elements kick in and warm the water. 3. This code tells you about the output thermistor failure. This tankless water heater is equipped with a computer board that regulates the heating process, helping the users to deal with various problems. It lets you know about the failure of the mixing thermistor. The first step is to disconnect all the connections in order to avoid a short circuit. 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. Test the wire connection and make sure it is not loose or broken. The water should not flow out. Due to the above-listed problem, resetting of the atmor tankless water heater is necessary in order to prevent further issues. 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. 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. Here is a step-by-step guide on how to do just that: 1. Checking for and removing electrical problems as a possible reason of your units reset button tripping is an important step in the troubleshooting process. Find the breaker that is labeled water heater. The unit stops heating water when you turn off the tap. 3. Product Type: Tankless Heater. 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. I find it hard to believe that I have three faulty thermostats, but this heater used to work fine. 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. Find the circuit breaker that controls power to the water heater and switch it to the Off position. In most cases, it can be difficult to press the reset button due to its sticky nature. Even so, some units need to be reset and if your water heater is in need of such, what does this process look like? When the insulation is removed, press the red reset button until you hear a click, and the unit will reset. Also, turn the knob off in order to control the temperature. forms: { 636 mcdonald supply decorah; 803 commerce drive; decorah, ia 52101-2329; 563-382-4255 Do tankless water heaters need servicing? Shut off the power supply. AO Smith water heaters have a lifespan of more than 20 years. When the red light turns green, this identifies that the unit is repaired and is back in its functional state. 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? Where is the A.O Smith Electric Water Heater Reset Button? You can troubleshoot the issues yourself, but we would recommend you hire expert troubleshooting services. They are also ultra-low NOx. 2. Rinnai and Rheem are their main competitors in terms of brand recognition. You will need a screw driver to remove the screws that are holding the cover in place. You can reset your A.O Smith hot Water heater in four steps. However, the reset button doesn't need to always be near the thermostat. First of all, turn off all the outlets attached to the unit in your residence. It also means that it requires to be reset. If the error persists, then reset the water heater. Water Heating Find the right water heater for your needs. 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. 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.

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