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. The thermopile of your water heater cant produce the required voltage output for two reasons. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. However, a few hours later I get the blinking red light (2 flashes) and the unit stops heating water. So, keep reading. Keep opening the hot faucets until all the air gets expelled out of the water heater. I hav been reading some similar posts regarding this issue, and I think I have made the proper analysis. Takagi Water Heater Error Codes [Ultimate Guide], AO Smith Tankless Water Heater Stuck In Standby Mode [Solved! The national average is 67.5. This error code is usually a sign that there is some kind of blockage in your vents, gas burner or fan motor. The work of the stack flue sensor is to detect the exhaust temperature of the heater and make sure that it does not exceed 176 degrees Celsius. 12-Year limited residential warranty gives you peace of mind. Leak Shield shut off valve automatically shuts off watersupply when a leak is detected (accessoryincluded). 7+ Common AO Smith Water Heater Troubleshooting Codes. Before doing so, don't forget to check the wiring attached to the control board. Generally, the water gets too hot if the gas control valve/thermostat is at fault. Thermistors are an important component of any water heater as it helps your water heater heat your water to the correct temperature. This is usually caused by scale build up which locks the motor drive. In other words, the thermopile itself gets defective or the wire connectors come loose. If you own a 540 model AO Smith tankless water heater, then this is an error code that may appear on your display screen. FIX: Check if the condensate drain is installed on the vent collar of the heater. The following steps will help you change the thermistor: Start with turning off the electric power to your water heater.
Before you start to disassemble your water heater, remember to shut off its power and that you reassemble it correctly. How do I reset my A.O. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Here, we will explore and discuss each and every reason that results in the E05 Pentair heater error. And this will reset the water heater successfully. A water heater leaks from different places like from the top, bottom, and side. 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.
People can find those advantages from AO Smith tankless water heater. Just shut off the electric supply to the unit. However, properly maintaining the pool heater and usage will allow the heater to last for a longer period of time. If there are any burn marks on the computer board then this is a sign that your water heaters computer board is overheating and cutting out. Check if there are any foreign particles or grease on the gas burner and fan motor. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Of course, there will be a solution which can be used for fixing this problem. 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. Spray it on the gas connections (you can also apply the mixture with the sponge or paintbrush). The consent submitted will only be used for data processing originating from this website. Drain your water heater. window.mc4wp = window.mc4wp || { This is the final error code for thermistor failure. 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. Finally, install the thermostat professionally if it doesnt fit against the tank snugly. Many reasons cause your water heater to heat the water excessively. However, we often suggest professional help if the issue is complex. Leave a comment in the box below if you have any questions about the Pentair pool heater. Just like with the previous thermistor failure errors, you should follow the same process to solve it. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. CODE: 03 (031), One time PROBLEM: Incorrect dipswitch settings. Turn off the heater to see that the E05 error code is fixed. These are The Easy Steps, The sound of the door squeaking is certainly very, You may want to remove broken drills from wood when, Spray paint is an aerosol paint that is used by, The toilet flange heightis important for proper, After you receive your new washing machine, you are, Most people take it for granted that their, Like most people, you probably take your air, Copyright 2022 Burnshomeconstruction.com. You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. Find the right water heater for your needs. Continue with Recommended Cookies. Clean the sensor along with the terminals and put it back in place. A Appliance Helpers representative is available for you 7 days-a-week including Holidays!! In this case, the pilot light will be lit but the thermopile fails to generate the required output voltage. If you own a 540 model AO Smith tankless water heater, then this is an error code that may appear on your display screen. Smith Signature 100 50-Gallons Tall 6-year Limited 40000-BTU Natural Gas Water Heater Model # G6N-T5040NVR Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. The thermostat(s) on this water heater have been factory set to 120F to reduce the risk of scald injury. The solution for this problem is by checking the Hi-limit switch. Previous replacement, improper installation and other conditions, outside the manufacturer's control and requirements for warranty may prevent reimbursement. Solution: Check if the condensate drain is installed on the vent collar of the heater. Also, you should check the computer board for any sign of burn marks too. A.O. And this tutorial will help in replacing the thermocouple on the AO Smith Water Heater: Secondly, inspect the wire connectors for loose. Residential & Commercial Water Heating Systems | A. O. Smith Never Descale Again. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. It does not store any personal data. CODE: 761PROBLEM: Miscommunication in Easy-Link System. What you need to do is- attach the thermistor wires to the control board. I reset the breaker and it started up a few hours later. First off, relight the pilot following the steps I mentioned earlier to verify the status light is blinking 4 times. FIX: Check for connection and wire breakage or computer board failure (burn marks). Remove the upper access panel by using a flathead screwdriver. The Water Heater Settings Hot, A, B, C, Very Hot Knob. Scale buildup on the heating element or on the bottom of the tank is one of the common reasons that can throw a wrench into work. Just turn on a hot water faucet and let the water run for several minutes. This numerical code is telling you about the ignition failure. Next, use the -inch open-end wrench and pull out the thermistor by turning it counter-clockwise. But opting out of some of these cookies may affect your browsing experience. However, I highly recommend you call a certified plumber to solve this issue. Then, leave the unit for 10 minutes to let the thermopile cool down. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. This error code indicates that there is a problem with the flow sensor on your AO smith tankless water heater. Turn the gas supply on and check for leaks by spraying soap solution on the connections. And the reason is the thermistor gets shorted electrically. However, if it interrupts normal water heater operation, dont hesitate to call a plumber. First off, turn the gas control knob to the off position. If the resistance of this part goes out of range, you must replace it. AO Smith Water Heater will throw an error code or make a beeping noise if the unit is not working properly. Check for hidden leaks in hot water system . To solve & clear the error message, turn the power off to your water heater first. This error code indicates that there is a problem with your water heaters computer board. The consent submitted will only be used for data processing originating from this website. Smith Water Heaters, 500 Tennessee Waltz Parkway, Ashland City, TN 37015 USA, Tel: 1-800-433-2545 Website: www.aosmithwaterheaters.com Email: parts@hotwater.com A.O. They have to make sure that the wire connection does not break or lose. Related Parts Pages:A.O. It will clear the error code. on: function(evt, cb) { The status light flashes 1 times with a three-second pause indicating your water heater operates at its tip-top condition. FIX: Check for blockage in the vents, the distance between the intake and exhaust terminals are per instructions and remove if there is grease or dirt in the gas burner and fan motor.
A.O. Smith Gas Water Heaters at Lowes.com If you don't see the tankless water heater problem you're having here, or if you need technical support with your water heater, please visit our help desk to schedule an appointment, or call us at 866-356-1992. First off, turn the electric supply off to your water heater at the circuit breaker. Ignition failure is not an uncommon issue with water heaters and boilers, but its also highly recommended that you solve this issue by calling a technician to your home. Check if there are any foreign particles or grease on the gas burner and fan motor. Alternatively, it could be that debris has affected the flow sensors impeller and just needs a bit of cleaning to get back to functioning as normal. Though resetting the unit will fix and clear the error code, you must figure out whats overheating the water. I replaced the upper element, and then replaced the thermostat as tech support said that might be causing the problem. This final error code indicates that there is a false flame being detected within your water heater. Changing the gas control valve is not as difficult as you assume. In contrast, 4 consecutive flashes with a 3-second pause indicates the temperature sensor of the unit senses the water temperature is too high. {{INUSING}}, The average cost per Mcf is ${{NATURALGASPRICE}}
FIX: Check for the proper settings on the computer board. The only solution to clear those error messages is to replace the thermistor. The AO Smith water heater is too hot. The cookie is used to store the user consent for the cookies in the category "Analytics". Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. FIX: Is the water heater set for the right elevation? If people see this error code, they have to be more aware because it is the warning for the 991 error code. We and our partners use cookies to Store and/or access information on a device. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. 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. 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. Error Code 51, 55, 510, 551, Six times Problem: Abnormal gas solenoid valve. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. They have to be very careful whether there is spark ignition buzzing from the burner. However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. Related Price Pages:A.O. Fortunately, I broke down every common error code your AO Smith Electric Water Heater shows. Sometimes, a faulty sensor is also responsible for this issue. Use the search box below to quickly find your model number. A thin or low flow of water to or from the water heater can also cause the e05 on Pentair heater display. 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.
Takagi Error Codes | Troubleshooting Guide and Repair Tips - Hotwatertalk AO Smith Tankless Error Codes | Problems | Troubleshooting All of the above error codes all point to the same problem: an issue with your gas solenoid valve. CODE: 331, Two timesPROBLEM: Mixing thermistor failure.