However, with a model number we can check to see what yours is capable of. Products: Filters . To replace a broken or damaged ESM module, see page 36 for ordering information. Find the electrical panel and look for the water heater. It works ok if you use the control panel to set the temperature for a shower. To perform an AO Smith water heater flammable vapor sensor reset, find the FV sensor that is located inside the electric box on the device and turn the power off to the hot water tank. event : evt, 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. 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. If you have an AO Smith water heater and are looking to reset the gas valve, read below to see what this process looks like. If your water heater is electric, youll need to reset it by flipping the circuit breaker. Most tankless water heaters have their reset button present on the front or back side or at the control panel. Check the thermistor and change if damaged. If your water heater is gas-powered, theres a good chance that it has a pilot light. 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. This numerical code is telling you about the ignition failure. It operates by delivering signals to the heating element, which either turns on to boost the temperature or turns off to lower it. Scale build up could be the cause of locking the motor drive and is usually caused by a water leak somewhere within your water heater. If it is damaged or has a short in it, the temperature of the water will continue to rise. First, check to see if the power supply to the unit is turned on. The tankless water heater will start heating the water properly in an excess amount. Also, remove the insulation cover that is there on the reset button. Check the exhaust pipe for a blockage and clear the intake air filters by cleaning them with water. The fan motor could also be blocked by dust, debris or dirt and needs a clean. Probably not. If you turn the cold water knob on any at all the heater starts cycling on off and then shuts off. To perform an AO Smith water heater gas valve reset, turn the power the water heater off and back on. But before that, it is advised to turn off all the connections again until the issue is not solved properly. Source: www.pmmag.com. 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. However, if the code comes back, you need to change the PC board. Smith water heater in your home, you may be wondering how to unlock it. As water fills your hot water tank, the lower and upper elements kick in and warm the water. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. However, if you are experiencing some issues with your tankless water heater, how can it be reset? Turn on the power button and observe its functioning. What Is A Thermocouple? Again, this is an issue for a professional but you can check that the proper settings are in place on the computer board. After that, identify the reset button and press it hard for a few seconds. These tankless water heaters can be reset by first disconnecting all the electrical and gas connections in order to prevent short circuits. They are known for their quality and durability. Rinnai and Rheem are their main competitors in terms of brand recognition. Disconnecting the tankless water heater is a safety measure. If the thermostat isnt working right then the water wont be heated and the circuit will turn off. Most of the time, this error occurs when there is a wire connection issue or a breakage, which can easily be fixed or replaced. To determine if the igniter is defective, first make sure the igniter is getting voltage. 636 mcdonald supply decorah; 803 commerce drive; decorah, ia 52101-2329; 563-382-4255 Installation Type: Indoor Only. Enrique quickly. You might want to reset the computer to clear . The spark on the gas burner is ignited, warming water in the heat exchanger. Upper and Lower Heating Elements - How an Electric Water Heater Works. 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. Smith Water Heater Troubleshooting Guide. To see how to reset an AO Smith electric tankless water heater, continue reading below. You should be able to listen to two thump sounds from the gas valve or a bustling spark ignition from the gas burner. After identifying the location of the reset button, press the button. I would recommend being patient at this point as it might take some time. Moreover, you should also reset the unit if the problem happens again. 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. Manufacturers design access to the button for safety and to prevent accidental activation. The best way to solve this problem is to clean the filter and flush the heat exchanger. Instruction Manuals | Residential Gas Tankless | A. O. Smith Residential Gas Tankless Product Literature Product Support Looking for out of production models? Best power vent water heater reviews. To perform an AO Smith water heater thermal switch reset, you will need to reset the entire unit. 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. 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? 2. Good luck for the next! The last and final step is to reconnect all the electrical connections in order to observe the working of the tankless water heater. If you have a gas water heater, you will need to re-ignite the pilot light on the tank to get it operational again. There are several reasons behind the failure of the tankless water heater. The A.O. Press the reset button. 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. 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. You have to press the button, and your unit will start resetting. Electric Vs Gas Tankless Water Heaters - A Comprehensive Guide, tankless water heater is that it operates on electricity. Smith gas and electric water heaters are quite common. 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. Alternatively, the error code will flash four times. You should also ensure they are securely attached. Why am I not getting the hot water from the 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. --->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). Ao Smith Water Heaters Troubleshooting. Make sure the resistance valve is 10.75 Kohm. Verify there are no cuts and burns on the wire connections and also they are not loose. 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? If it still happens, you should turn the unit off and then turn it on after 30 seconds. 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. After that, find the reset button and press it hard for a few seconds. Bradford White Water Heater Reset Button (Ultimate Guide), AO Smith vs Navien Tankless Water Heater - Ultimate Guide, State vs. AO Smith Water Heater: The Ultimate Guide, Is There a Kenmore Dryer Reset Button? Its super important that you keep your AFR rod in the best condition so you can keep using your water heater safely. It should be located near the top of the unit. 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? 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? listeners: [], Even so, some units need to be reset and if your water heater is in need of such, what does this process look like? 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. 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. This article will show you where to find the A.O Smith water heater reset button. You will also need to switch off the gas line valve on a gas water heater. 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. 2. Of course, each unit has a different rating, so compare models before you buy. window.mc4wp.listeners.push( We hope that this article has provided you with some useful information about AO Smith tankless errors codes. They are equipped with dedicated buttons that can be used to reset the tankless water heater without removing any of its parts. Furthermore, it is also equipped with many security features e.g. This may be a new item to some of you, but for those who know, understand the importance of this devices function when it comes to keeping you and your home safe. Moreover, if the error persists, you must turn the unit off, remove the intake filter, and clean it properly. However, the normal functioning of the tankless water heater can be interrupted by various related issues. Flexible power vent installation through the wall or roof up to 180 feet. 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. Stiebel Eltron Tankless Water Heater Tempra 20 Rinnai V65iP Non-Condensing Propane Tankless Water Bosch Electric Mini-Tank Water Heater Tronic 3000 Sign up for Personal Shopper by Prime Try Before You Buy, Locate the reset button on your Ao Smith water heater, This is typically located near the bottom of the unit, Press and hold the reset button for approximately 10 seconds, Release the reset button and allow the unit to restart. It is smart, easy to use, straightforward, and displays the error code, enabling the users to easily identify the problem and decode these codes by using a guide. Once you've done this, you can find the AO Smith tankless water heater reset button inside the panel, usually underneath some insulation. Before starting any step, the first and foremost step is to switch off the power button and disconnect all the electrical connections in order to prevent any electric shock. Required fields are marked *. The LED display will show CE1 points. Find Your Solution Fast & Easy Great! Check for obstructions such as bird nests or leaves in the vents. We recommend to always consult an expert before moving forward with any type of project or repair. The first step is to turn off all the electrical connections to prevent the short circuit. After that, turn off the hot water tap. Reset Button on Water Heater Doesn't Click In this way, the unit starts functioning properly and heats the water in less time. Also, flush the heat exchanger. If the error code is displaying on the tankless water heater then it indicates that the water heater is not working properly and needs to be reset again. Gas Connection: 3/4" Water Connection: By providing high-quality content and expert guides, Adam hopes to help anyone looking for expert water heater advice. After that, turn on the unit by reconnecting all the connections. OWNER ONLY. Smith tankless water heater. 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. Allow it to dry and then fix it back. Once thats one, the error code should vanish. In order to solve this problem, identify the venting material that is acceptable to the unit. Pinpoint the switch on the computer board and make sure the settings are according to the user manual. Check to see if the water heater is now working properly. Get information and support for all A. O. Smith models. Are you looking for a detailed guide on AO Smith tankless water heater troubleshooting? Extreme weather conditions such as storms or improper gas pressure could cause abnormal gas combustion. The first step is to turn off all the electric circuits, gas valves, and hot water faucets. 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. If the above process is not working for you try calling a professional as this indicates a big problem. Find the circuit breaker that controls power to the water heater and switch it to the Off position. It lets you know about the failure of the mixing thermistor. It happens if you detach the remote from the appliance while the power is on. 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. Shut off the power supply. . The reset button will be located right inside the panel. To fix this error, you should first turn the unit off and then drain the water inside 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. Commercial Electric. It may be very difficult in Washington State to do tankless electric due to our cold incoming water temperature. I followed your instructions and it worked, thank you for writing this post it helped me a lot! This is the final error code for thermistor failure. First, locate the thermostat on your A.O. How Many Amps Does A Tankless Water Heater Use? 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. 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. Also, make sure there are no blockages in the vents. We will show three error codes, the first for the heaters that are without a remote controller and have only blinking LED, the second for the machines that have remote controller, and the third for the units that have 7-SEG LED. Check the thermistor for dirt and clean if required. 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 the problem is not solved even through resetting or error code, then press the reset button at least three times. The thermostat in your AO Smith water heater essentially works as the brains behind the heating of the water within your unit. To solve this issue, you should thoroughly check the units wiring. It may look like a technical piece, Read More How To Turn On Water Heater? Launch Product . 3. Next, locate the reset button on the water heater. Smith line of water heaters is a broad one, covering both residential and commercial use and electric and gas options. This post was published on 2022-04-04. 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. Simple installation - bottom 3/4 inch NPT water connections. 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. IT. (function() { Use a multimeter to test both the upper and lower thermostats for continuity. 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: Furthermore, the user can even reset the unit by using the software. Inspect the flow adjustment valve wiring for damages or breakages. It will be a red button concealed inside the panel by insulation. Save my name, email, and website in this browser for the next time I comment. If you are addressing these similar or any other related issues then its high time to get your tankless water heater checked. When the water temperature rises in an uncontrolled fashion, the reset button is tripped. 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 the problem lasts, replace the PC board. I have a consistently recurring issue where the thermostats trip (requiring manual reset) AFTER the water has been heated. Water heaters provide a luxury to individuals that many seem to overlook until they are left without the hot water that such units provide. Once youve found the right breaker, flip it off and then back on again. 1. This error is caused due when the exhaust overheats. Tankless models may not even require tools. After that, the fan initiates, the igniter produces the flame, and the gas valve opens. If you need further direction, try this helpful Homeowner Repair video. There could be an issue with the power supply of your water heater and thus it could be failing. However, the reset button doesn't need to always be near the thermostat. Finally, if all else fails, you may need to call a professional to come and take a look at your water heater. 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. As an affiliate of retailers(like Amazon), we earn from qualifying purchases. + What to Do Instead, A.O. Our in-depth article covers condensing, non-condensing, indoor, outdoor, and low NOx water heaters with cutting-edge technology. 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. Commercial Electric Tankless. We are going to cover some of the most common error codes and problems seen with the AO Smith tankless water heater so you know what you can do when the issue occurs. A little surge or outage can cause the display screen to flash where power has been absent. This issue usually occurs in gas devices. In the United States, A.O. A. O. Smith University is a free online training site that offers certification and continuing education courses on residential and commercial water heating products. Complete Guide 2022, How To Fix Your Water Heater Leaking From The Top 2022, Water Heater Leaking From The Bottom? We offer residential and commercial training at our Ashland City, Tennessee facilities. This error occurs when the fan motor is not working correctly. 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. Also, inspect the PC board. 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). It is critical to supply the device with power and an accurate connection to have the device operating efficiently. I also enjoy blogging about my findings and helping others to find the best heating options for their needs. Confirm the wires of the gas valve assembly are not cracked or broken before AO Smith tankless water heater troubleshooting. Heaterguides.com is a participant in the Amazon Services LLC Associates Program. Manual for 300 models. It is caused when there is low water pressure on the heating side. A O Smith Troubleshooting Gas Water Heaters HD Supply. 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. Check the cold water filter and strainers before you clean them. This error means a problem with limit control and heat exchanger. You should hear a clicking sound, indicating that the water heater has been reset. One of the main causes for the reset switch to trip is because the water heater is actually letting the water get too hot. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. And in case, the tankless water heater is still not working properly, turn OFF and ON the breaker again. But if the problem occurs, then you must reset it. This post was first published on 2022-04-04. The tankless water heaters function automatically and can be reset easily by following simple and easy steps. It means the air-fuel ratio rod has failed. The error code of blocked air supply is error code 10. Find the right water heater for your needs. 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. Check the thermistor for dirt or debris and loose, damaged, or broken wire connections. 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. The reset button might be tripped by loose wires. Clean away any dirt or debris and check the quality of the connection wires. If your device is displaying a mysterious code and you cannot interpret what it means, dont panicwe are here to help you understand those enigmatic error codes and troubleshoot your system without requiring professional assistance. } Locate the water heater's circuit breaker box and turn off the power to the unit. 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. Though, to reset an AO Smith electric water heater, what can be done? When it comes to resetting this valve though, you can also complete a general reset on the water heater by simply pressing and holding down the reset button on the device until you hear the button click, indicating the reset has completed. Set the thermostats to 120 degrees Fahrenheit if theyre not already set there. Look no further. 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. The best part of these tankless water heaters is that they do not require much maintenance. 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. The reset button is there to protect the appliance from bigger damage. Apart from this, it is also a great option for commercial and residential use. 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. Moreover, the error code assigned to the ignition problem is error code 11.

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