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. Fix or replace the faulty parts, wires, or pipes as soon as you notice them. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Alternatively, you can watch this video that will come in handy: AO Smith Water Heater Status Light will flash 8 times every 3 seconds if the gas control valve is in the off position but the thermopile still produces electric power. If you own a 540 model AO Smith tankless water heater, then this is an error code that may appear on your display screen. I have tested the power at the thermostat and the elements with a multi meter and they all check out fine. You should consult with a licensed professional and check local permit requirements before starting any project. Takagi Water Heater Error Codes [Ultimate Guide], AO Smith Electric Water Heater Troubleshooting, AO Smith Water Heater Troubleshooting Codes, AO Smith Gas Water Heater Troubleshooting, 9 AO Smith Gas Water Heater Troubleshooting Tips, AO Smith Water Heater Not Heating [5 Easy Solutions], Bosch Tankless Water Heater Maintenance [The Complete Guide], Bosch Tankless Water Heater Troubleshooting [A Complete Guide], Bosch Tankless Water Heater Error Codes [Ultimate Guide]. c. The computer checks for any problems with the unit before startup. Once you find the water is flowing uninterruptedly, turn off the hot water faucet and turn the power back to the unit. The thin flow of water is typically a result of scaled-up pipes or improper water pressure. Understanding Noritz error codes and troubleshooting Noritz water heaters. This error code indicates that there is a problem with the flow sensor on your AO smith tankless water heater. } In a 6-flat/3 story building with 6 apartments/total of 15-16 residents, I have an AO Smith water heater/25 yrs old with specifications of 81 gall capacity, 149 gall/hr recovery, 154,000 BTU. Once I did that and cleaned out the sediment, I had an e02 error code on the panel. Once you confirm the issue, turn off the gas control knob. If this doesnt bring any luck to you, the best bait is to call a professional for further assistance. Adjust the valves on the main line to set the water pressure at the right level. var dteNow = new Date(); Now, you should be able to understand how these error codes work and what they mean. There could be an issue with the power supply of your water heater and thus it could be failing. This problem occurs because of two reasons. So Repair or replace the sensor properly if there are any issues.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[120,600],'fireplacehubs_com-leader-4','ezslot_11',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-leader-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[120,600],'fireplacehubs_com-leader-4','ezslot_12',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-leader-4-0_1');.leader-4-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:600px;padding:0;text-align:center!important}. A.O. Then, leave the unit for 10 minutes to let the thermopile cool down. Solution: Check for connection and wire breakage or computer board failure (burn marks). CODE: 711, One timePROBLEM: Gas solenoid valve drive circuit failure. When it senses the water temperature crosses the safety level, the reset or ECO button cuts the electric supply off. ECS40200 FPCR50260E GCNH30100 GCNH50100 GCV30 GCV40. And this guide on AO Smith Water Heater Troubleshooting Lights broke down everything you need to know. So, the corrective action you need to take is- check the thermopile and replace it if it gets defective. I replaced the upper element, and then replaced the thermostat as tech support said that might be causing the problem. A.O. Conduct checks on all the parts and sensors on a regular basis. And this tutorial will help in replacing the thermocouple on the AO Smith Water Heater: Secondly, inspect the wire connectors for loose. In other words, when the sensor senses the water temperature is too high, it will throw this error code. CODE: 39, 391, Two timesPROBLEM: Problem with the air-fuel ratio rod - AFR. Why is my AO Smith water heater not lighting? { The cookie is used to store the user consent for the cookies in the category "Analytics". Afterward, put everything back into its place. GPVH50100 GPVH50101 XCVL40-200. Smith G9-T5040NVR Installation Instructions And Use & Care Manual. If you choose a higher temperature, thermostatic mixing valves are particularly important to prevent scalding. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. I initially had to replace the lower element due to limescale. Finally, install the thermostat professionally if it doesnt fit against the tank snugly. Solution: Check for blockage in the vents, the distance between the intake and exhaust terminals is per instructions, and remove if there is grease or dirt in the gas burner and fan motor. Using Rheem error codes to troubleshoot Rheem tankless water heaters. We use cookies to ensure that we give you the best experience on our website. What could that be? Higher temperatures increase the risk of scalding, but even at 120F, hot water can No, it's not. A Pentair pool heater typically functions for 6 to 12 years on average. Residential & Commercial Water Heating Systems | A. O. Smith Never Descale Again. As a result, you can figure out the issue quickly and take the necessary steps to fix the problem. The industry's first peace of mind, scale inclusive, 15-year warranty. These stats are based on a home in Nolensville, TN To view or adjust our performance assumptions, view advanced settings. As a result, you can now easily diagnose your water heater that will save you both time and money. The Solution Connections: Make sure the wiring is connected properly and isn't damaged. Solution: Check the connections between water heaters. Solution: Check wires and computer board for damages. They also have to make sure that the flame rod does not come with soot. This represents our closest approximation of your likely experience with this water heater using National Averages, but actual performance may vary depending on factors beyond our ability Smith Signature 100 40-Gallon Tall 9-year Limited 40000-BTU Natural Gas Water Heater Model # G9-T4040NVR Find My Store for pricing and availability 614 Style: Tall Family Size: 3-4 People Warranty: 9-year limited A.O. The air-fuel ratio rod (AFR) is faulty. All rights reserved. Now, turn on the drain valve to let the water drain. The repair guide covers indoor, outdoor, condensing, non-condensing, and ultra-low NOx water heaters with on-demand technology. JavaScript is disabled. CODE: 61, 611, Four timesPROBLEM: Fan motor fault. Though resetting the unit will fix and clear the error code, you must figure out whats overheating the water. If you dont know how to replace the sensor, call a professional for the replacement. Besides, I will also walk you through the troubleshooting steps to clear those error messages. Clean the gas pipes properly if they are clogged and do not forget to turn off the valve before cleaning. Scale is caused by water settling on heat transfer surfaces and the impurities build up into a hard, crusty layer. Search For Support Documentation For Your A. O. Smith Brand Water Heater. F1-7 Fault Code, LFFU14F5HWD Frigidaire freezer won't shut off. If the status light still doesnt come on, I bet the pilot flame fails to heat the thermopile sufficiently. Find the right water heater for your needs. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. listeners: [], Release the gas control knob once the status light starts flashing and set the temperature to your desired setting. These cookies ensure basic functionalities and security features of the website, anonymously. groundwater temperature for your location, and residential energy prices as reported by the Department of Energy. Blue light now heartbeat dim & bright. For example, a model 510 will display the numerical code on the 7-Seg LED on the computer board, while the 110 and 310 models only a blinking red LED that can flash one time or more. CODE: 441, Two timesPROBLEM: Problem with the flow sensor. Solution: See the error codes 331, 321, and 311. You must log in or register to reply here. To have the unit working properly, it has to be supplied with the power and correct connection. The solution for this problem is by checking the Hi-limit switch. Tank Guard gives you advanced tank protectionextends the life of your water heater. 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. Read to know in details. 7+ Common AO Smith Water Heater Troubleshooting Codes. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Smith - Troubleshooting help - Hello my frist post here. Trouble codes on the AO Smith Water Heater mean your water heater is not working properly. In other words, the thermopile itself gets defective or the wire connectors come loose. This cookie is set by GDPR Cookie Consent plugin. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. Many factors affect the actual performance of a water heater. Now, remove the ground joint union in the gas piping and disconnect the remaining piping from the gas control valve. 12-Year limited residential warranty gives you peace of mind. Can I Fix The Error Codes On My Pentair Heater On My Own? Problem: Miscommunication between the water heater and remote controller. Electronic Thermostat provides operational reliability and peace-of-mind. If the sensor fails to properly detect the temperature or it exceeds the limit, then the E05 error code appears. FIX: Check for the soot on the AFR rod, wire connection, and breakage. You can read this article on Rheem Water Heater Leaking. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Revision 2 includes updated troubleshooting information for error codes 3, 4, and 6. Electronic User Interface allows you to easily set temperature, operating mode, and child safety lock feature. Open a nearby hot water faucet to let the air out. Summary of Contents for A.O. You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. Hi, I have an AO Smith GCVL 40 300 natural gas with a Honeywell valve. Why is my AO Smith water heater stopped working? Smith Water Heater Age Determination - reader comment: (May 11, 2012) AO Smith employee said: To tell the age of any AO Smith water is the first 4 numbers. (57 reviews) Model: E6-50R45D-TTP Lowe's Item #: 2483230. Error Code: 441, Light Blinks 2x What It's Telling You There is an issue with the flow sensor. Error Code 51, 55, 510, 551, Six times Problem: Abnormal gas solenoid valve. Visually inspect the thermistor connections. Smith water heater? Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. A hot water tap is opened enough that the flow sensor detects a flow rate through the heater greater than the activation point of 0.5 gpm. However, a damaged thermal regulator often prevents the water from flowing out, causing it to be trapped in the exchanger. The tools needed to solve the problems from below are mainly the screwdriver, manometer, and multi-meter. Troubleshooting John Wood tankless water heaters. Second, the thermopile of your gas water heater has not reached its operating temperature yet. It may stay that way for a few hours but eventually the heater shuts off and the light flashes red (2 times) again. We and our partners use cookies to Store and/or access information on a device. You dont need to take any corrective actions as the status light of a functioning unit blinks 1 time every 3 seconds. Solution: 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. forms: { Find the most common problems and see how to fix issues. This error code is another thermistor failure but this time, it is referring to the mixing or mix thermistor. Comprehensive information about your new appliance - from getting started to cleaning and maintenance - with answers to frequently asked questions. CODE: 72, 721, Six timesPROBLEM: False flame detection. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. The thermopile of your water heater cant produce the required voltage output for two reasons. Models from the 240, 340, and 540 series will show the error codes on both temperature controller and remote controller. You can see the flash code once you relight the pilot light. You may type any combination of product name, family, size, model number, etc. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Through constant innovation, at production level and application level, A.O. See how to troubleshoot the flame failure, not enough, no hot water . First, the pilot light wont come on until you try to light it up. Smith Water Heater error code guide will explain common issues, provide tips, and show you how to read your model's error codes. This thermistor should be found attached to your water heaters exhaust. Keep opening the hot faucets until all the air gets expelled out of the water heater. 50 Gallon Short 6-Year 3800/3800-Watt Elements Electric Water Heater. Now, relight the pilot light by following the step-by-step guide I mentioned earlier in this article. Once your inlet thermistor is clean and properly connected, then the error code should vanish and your water heater return to its usual state. When the heating element shorts out, it will cause a short circuit, which will allow it to continue heating, causing the water to become too hot. 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. 01 Pressure Switch Fail On, should be Off 11 Pressure Switch Fail Off, should be On 02 Ignition Fail after 3 attempts 04 ECO Open 05 Temperature Probe Open 15 Temperature Out of Bounds < 30 degrees 25 Temperature Out of Bounds > 220 degrees The following Error Codes are internal to the controller. Just hire a certified technician to do this for you. Once this problem occurs, the main burner will go into the off position along the pilot light immediately. Toggle navigation. FIX: Check the connections between water heaters. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. If your AO Smith Electric Tankless Water Heater throws the error code E51 or E52, understand the user interface lost its connection with the control board. Fixing the error as soon as it appears is important for the performance and longevity of the pool heater. Is the surrounding air contaminated? It is also important to check whether there is damage to the computer board. Save my name, email, and website in this browser for the next time I comment. Eccotemp Protection Plans are available for purchase within 60 days of your water heater purchase. The consent submitted will only be used for data processing originating from this website. Also, you should check the computer board for any sign of burn marks too. Its normal. Yes, you can fix the error codes on the Pentair heater by identifying the issue and its solution. Is the surrounding air contaminated? Introducing X3 Scale Prevention Technology on our Condensing Gas Tankless Water Heaters. We also use third-party cookies that help us analyze and understand how you use this website. Related Price Pages:A.O. how to fix the Pentair heater error codes problem, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix]. Solution: Connections or wire breakage of the flow adjustment valve, scale buildup on the motor drive that gets locked, or there is water leakage. You can do a few basic checks first like making sure there are no loose wire connections or soot on the flame rod. b. To solve this, you will need to unblock your vents and also check for any grease or dirt found within the gas burner or fan motor. All Right Reserved by FIREPLACEHUBS. People can find those advantages from AO Smith tankless water heater. See the symptoms of How to fix water hammer problem in pipes. Disconnect the main water line and turn off the heater before properly cleaning the pipes. CODE: 99, 991, Five timesPROBLEM: Improper gas combustion. GCVL40-200 GCVL40-201 GNR40100 GNR50100 GPS-75 GPVH40100. Troubleshooting AO Smith condensing water heaters is similar to troubleshooting other brands and models. FIX: Check if the condensate drain is installed on the vent collar of the heater. Need sanity check to make sure I troubleshoot the device properly: Problem: No ignition. Smith reserves the right to deny reimbursement if, upon investigation, any such condition is identified. The cause of this problem could be a range of different issues including connection issues, broken wires, and even corrosion around the connectors. Smith Water Heater Parts. Smith with Intelli-vent device. A.O. Break down what troubleshooting steps you should take to stop the blinking lights. So, keep reading. Examine the thermal regulator to see whether it is offering a proper performance or not. ], Bosch Tankless Water Heater Maintenance [The Complete Guide], Bosch Tankless Water Heater Troubleshooting [A Complete Guide], Bosch Tankless Water Heater Error Codes [Ultimate Guide], Bosch Tankless Water Heater Wont Ignite [7 Easy Solutions]. Error Code 61, 611, Four times Problem: Fan motor fault. Problem: Warning for the "991" error code. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. This chapter will describe the meaning of a specific error message your AO Smith Electric Tankless Water Heater throws. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. To fix the tankless water heater from AO Smith properly and fast, we will show all three error codes (in the subtitle), the first for the units with the remote controller, the second for the units with the 7-Seg LED, and third are those heaters that do not have the remote only blinking LED. Problem: Gas solenoid valve drive circuit failure. Look for the blockage in the vent system and ensure if the distance between the intake and exhaust is not too small. This cookie is set by GDPR Cookie Consent plugin. What I will break down on this in-depth guide on AO Smith Water Heater Troubleshooting Lights: It depends on how many times the flashing light is blinking. But opting out of some of these cookies may affect your browsing experience. Generally, the water gets too hot if the gas control valve/thermostat is at fault. And secondly, loose wiring connections can also cause this symptom. Status light blinking once every 3 seconds but I dont see a flame in the window. Just turn on a hot water faucet and let the water run for several minutes. CODE: 651, Four timesPROBLEM: Flow adjustment valve fault. Main Menu. Analytical cookies are used to understand how visitors interact with the website. There are actually many types of thermistors in your water heater and thus, any error codes that relate to problems they are facing. Whether you have a newly installed AO Smith Gas water heater or an older one, you must light up the pilot first. Remove the access panel and fold away the insulation. For a better experience, please enable JavaScript in your browser before proceeding. Brand: A.O. A. O. Smith. The Pentair heater e05 error code is one of the 12 error codes for this pool heater. Can you hear a buzzing spark ignition from the burner or two clunk sounds from the gas valve? I have an AO Smith 50 gallon with the electronic display. If there is air in the waterline, your water heater may throw this erratic code. FREE Estimates! You should keep depressing the igniter button for 90 seconds. A flashing status light doesnt seem scary all the time. The average US household uses 64.3 gallons of hot water each day. I highly recommend you use a multimeter to test the continuity of them and replace them if needed. Shop by Popular AO Smith Water Heater Models. Install a new gas control valve and tighten it up using the 4 gas pipe by turning it clockwise. CODE: 74, 741, 751PROBLEM: Miscommunication between the water heater and remote controller. You can hear the buzzing of the spark igniter. Next, use the -inch open-end wrench and pull out the thermistor by turning it counter-clockwise. Revision 3 includes updated troubleshooting for error codes 4 and 6 and technical bulletins, Manual will be automatically added to "My Manuals", Error Code 3 - Pressure Switch Circuit Remains Closed, Error Code 4 - Pressure Switch Circuit Remains Open, Error Code 7,8,9 - Internal Control Failures, Error Code 10 - Flame Sensed out of Sequence, Error Code 11 - High Temperature Cutoff (Eco) Activated, Error Code 12 - Temperature Adjust Buttons Stuck Closed, Error Code 13 - Temperature Probe Open of Shorted, Error Code 14 - Resistor Wire Open or Shorted, Error Code 15 - Resistor Wire Resistance out of Tolerance, Technical Bulletin - Ignition and Flame Failure A-022-04 & S-021-04 Combined, Air Pressure Switch Circuit - Residential Power Vent/Power Direct Vent, Vent Termination Restrictor Usage for 40,000 Btu Power Vent Models, TB-A028-06 - A. O. Smith - FVIR Intelli-Vent Troubleshooting Chart, Normal Operating Sequence - Pressure Switch Circuit, Air Pressure Switch Circuit: Residential Power-Vent & Power-Direct-Vent Water Heaters, Air Pressure Switch Circuit: Cyclone Water Heater. Dirty/Blocked Filter How To Reset AO Smith Water Heater Easily FAQs: What are the common problems of the AO Smith water heater? This website uses cookies to improve your experience while you navigate through the website. If you want to increase the water heater thermostat(s) setting(s), Take out the thermal regulator and replace it with a new one. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. FIX: Check is there a loose or breakage in wire connection or debris on the thermistor. CODE: 12, 121, Three timesPROBLEM: Flame loss. CODE: 11 (111), Three timesPROBLEM: The ignition failure. Then, disconnect the thermistor and reconnect it. Our comprehensive A.O. Power vented gas models with hot surface ignition & 2"/3"/4" pvc vent capability (21 pages) Water Heater A.O. It is easy to recognize if there is a leak because bubbles will form. I replaced it with another AO Smith model, but a more base model without the smart module option. This applies both to the choice of materials and components used in the manufacturing process, as well as to the efficiency of the finished products. Disconnect every connection like the igniter wire, thermopile wire, pilot tube, and manifold tube from the gas control valve. There are a range of potential causes to this error. FIX: Check for connection and breakage of wires, burn marks on the computer board, and power supply to the unit. In this case, you must flush the unit. Problem: Problem with the computer board. Error code 441 (LED flashes two times) Problem: Flow sensor. Products. Built in dry fire protection will not allow the water heater to be turned on unless the tank is full of water, eliminating accidentally burning out the upper element. Generally, the heating element, top of the unit, tank, and drain valve are some common places from where the water is leaking. The thermostat(s) on this water heater have been factory set to 120F to reduce the risk of scald injury. The owner is not there much in the spring and fall, like now, but the water heater is left running. Gas water heater using too much gas. CODE: 10 (101), Five timesPROBLEM: Warning for the "991" error code. Low water flow and loose wiring also contribute to the Pentair Mastertemp e05 code. Two consecutive flashes every three second stand for thermopile voltage issue. Sometimes, a faulty sensor is also responsible for this issue. 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. Rheem or A.O. However, there is a four pin white plug in the water heaters junction box that I believe is the connector for the smart grid module, and two of the wires have come out of the pin/connector. Leak Shield shut off valve automatically shuts off watersupply when a leak is detected (accessoryincluded). This is a popular problem that a lot of AO Smith tankless water heater owners suffer from because this error code usually occurs when there is an ignition failure. And it will also cause the display of error code E05. Solution: Check for the proper settings on the computer board. This numerical code is telling you about the ignition failure. A.o. Smith offers a wide range of water heaters. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Just follow the step-by-step instructions I mentioned in the Status Light Flashing 4 Times section. FIX: Debris on the thermistor, loose or broken wire connection. This is usually caused by scale build up which locks the motor drive. FIX: Connections or breakage of wires of the flow adjustment valve, scale buildup on the motor drive which gets locked, water leakage. CODE: 70, 701, One timePROBLEM: Problem with the computer board.