ao smith water heater error code e05

They have to make sure that it can function properly. Check if there is a gas leak. Typically, a bad thermostat, burn-out heating elements, and bad computer board are some defects that cause this issue. A.O. If you dont know how to replace the sensor, call a professional for the replacement. Next, check for water leaks and fix them if needed. *Annual energy costs are estimated from the energy efficiency of each water heater, your households estimated water usage & set temperature, the average All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. The reason behind this is that the heater does not get enough water to heat up properly causing an imbalance in temperature. The following steps will help you change the thermistor: Start with turning off the electric power to your water heater. They should be able to tell you the correct dipswitch settings for your model so you can correct it yourself. An Easy Guide on How to Fix A Squeaky Door Without Taking It Apart, How to Remove A Broken Drill Bit from Wood? Put everything back into its place and turn the electricity on. So not happy that I had to replace it, but very happy with AO Smith that they honored the warranty. Leak Watch Smart technologyimmediately alerts you of a leak for yourpeace of mind. Introducing X3 Scale Prevention Technology on our Condensing Gas Tankless Water Heaters. Then, shut off the main gas supply valve. Find the right water heater for your needs. You dont need to take any corrective actions as the status light of a functioning unit blinks 1 time every 3 seconds. 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. View All Tankless Models with X3 Learn About Tankless with X3 Scale Prevention Technology Comprehensive information about your new appliance - from getting started to cleaning and maintenance - with answers to frequently asked questions. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. These factors prevent the gas from reaching the heater and performing properly. A. O. Smith. Get Help from a Local Plumber. Just follow the step-by-step instructions I mentioned in the Status Light Flashing 4 Times section. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. No, it's not. Whats the average air temperature in the room where your water heater will be installed? 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. Some people think that a tankless water heater will be a great choice. Your AO Smith Water Heater wont light up if there are electrical problems like the thermopile wires come loose. I checked all the wires and didn't find any problems, frayed insulation, etc. Now, remove the ground joint union in the gas piping and disconnect the remaining piping from the gas control valve. Use the pipe wrench to tighten the fittings. Your AO Smith Electric Water Heater will throw the error codes E10, E11, E12, and E13 either for an open inlet temperature sensor or open thermistor. I eventually called an electrician, who said it seemed to be a short at the top of the tank where the wires for the power and smart module are. Also, you should check the computer board for any sign of burn marks too. If you continue to use this site we will assume that you are happy with it.. Problem: Bypass valve fault (only model 540). Turns out, ensure you dont set the thermostat too high. Find the most common problems and see how to fix issues. Should the water heater light be blinking? And it will also cause the display of error code E05. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Then, find the source of the water leak. Gas water heater using too much gas. Models from the 240, 340, and 540 series will show the error codes on both temperature controller and remote controller. F05 - E02 - Door lock fault F08 - E01 - Waterfill fault I've looked up the error codes for these, and am just getting started diagnosing the issue. The Water Heater Settings Hot, A, B, C, Very Hot Knob. More error codes can be found after all. Then, relight the pilot by following the lighting instructions I mentioned in the previous chapter. Clean your AFR rod of any soot, and check for any damage or loose connections to see if you need to find a replacement. Analytical cookies are used to understand how visitors interact with the website. Error code 510 (LED flashes six times) Problem: Gas solenoid valve malfunction. Now, relight the pilot light by following the step-by-step guide I mentioned earlier in this article. Verify the O-ring is in its place. 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. What could that be? Turn on the electric supply by flipping up the circuit breaker. Go along with the following steps to light up your water heater: Secondly, the status light wont flash a single time until the thermopile reaches its normal operating temperature. Again, this is an issue for a professional but you can check that the proper settings are in place on the computer board. An example of data being processed may be a unique identifier stored in a cookie. See how to troubleshoot the flame failure, not enough, no hot water . An AO Smith water heater's operating temperature range is 80F or 150F (approx. CODE: 441, Two timesPROBLEM: Problem with the flow sensor. Firstly, the thermopile is at fault. See Figure 4. In other words, when the sensor senses the water temperature is too high, it will throw this error code. 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. 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. To fix this issue, you should replace this part. Problem: Miscommunication in an Easy-Link system. FIX: Check the wire connection, wire breakage and debris on the flow sensor impeller. Second, the thermopile of your gas water heater has not reached its operating temperature yet. To solve this problem, you will need to find the correct settings for your water heaters model and reset them on the computer board. 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. 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. Afterward, put everything back into its place. However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. Alternatively, you should check for any loose connections and damaged wires that could be behind this power loss. We and our partners use cookies to Store and/or access information on a device. Replace the control board. If you're looking for help fixing your A.O. The average cost per kWh is ${{ELECTRICITYPRICE}} This error code indicates that there is a problem with your water heaters computer board. Follow the below steps to change the part correctly: Your AO Smith Water Heaters status light will blink 5 times every three seconds if the temperature sensor gets defective. FIX: Check for the soot on the AFR rod, wire connection, and breakage. CODE: 03 (031), One time PROBLEM: Incorrect dipswitch settings. If you have either a 2-chamber or 4-chamber model of AO Smith Water Heater, you can see the trouble codes E20, E21, E22, E23, and E24 for a single reason. Does the status light of your AO Smith Water Heater remain solid red? This is the final error code for thermistor failure. A thin or low flow of water to or from the water heater can also cause the e05 on Pentair heater display. However, a damaged thermal regulator often prevents the water from flowing out, causing it to be trapped in the exchanger. { Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. You should also ensure they are securely attached. It means you dont need to worry about anything. CODE: 74, 741, 751PROBLEM: Miscommunication between the water heater and remote controller. Why is my AO Smith water heater not lighting? Check out advanced features for eco-friendly and cost-effective water heating. Smith Water Heater error code guide will explain comm. Can you hear a buzzing spark ignition from the burner or two clunk sounds from the gas valve? Dont need to worry about it. It may take 90 seconds of pilot operation before the thermopile comes to its normal operating temp. 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 See the symptoms of How to fix water hammer problem in pipes. A.O. Install a new gas control valve and tighten it up using the 4 gas pipe by turning it clockwise. Shop by Popular AO Smith Water Heater Models. The thin flow of water is typically a result of scaled-up pipes or improper water pressure. Regarding this, you need to replace the thermocouple or the wire connectors. You can easily detect the exact problem of your water heater if you know the meaning of the flashing light code. Make sure that there are no parts of the sensor that require work. I don't think I should have yo pay anyone. But opting out of some of these cookies may affect your browsing experience. What should you do first is- turn the gas control valve to the off position. Is there leaking from the heat exchanger? Generally, it takes up to 90 seconds of continuous pilot operation before the thermopile reaches its operating temp. Previous replacement, improper installation and other conditions, outside the manufacturer's control and requirements for warranty may prevent reimbursement. 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. CODE: 661, Four timesPROBLEM: Bypass valve fault (only model 540). Manual for 400 - 1000 models. I had already unplugged the ESM and the problem persists. I reset the breaker and it started up a few hours later. Learn more, Facebook II Twitter II Pinterest II Linkedin. Yes, you can fix the error codes on the Pentair heater by identifying the issue and its solution. GTC-070 R3 Revision 2 includes updated troubleshooting information for error codes 3, 4, and 6. I initially had to replace the lower element due to limescale. Is Spray Paint Flammable? Dirty/Blocked Filter How To Reset AO Smith Water Heater Easily FAQs: What are the common problems of the AO Smith water heater? Fixing the error as soon as it appears is important for the performance and longevity of the pool heater. The board replacement kit includes replacement yellow and blue wires with new connectors. Solution: See the error codes 331, 321, and 311. FIX: Debris on the thermistor, loose or broken wire connection. Re-attach the control box cover, and restore power to the water heater. Tank Guard gives you advanced tank protectionextends the life of your water heater. You are using an out of date browser. To solve this error, you will need to carry out the same checks and treatments in the above error. They only need to check if there is any blockage in the vents. Next, thread a 4 section of gas pipe into the inlet and use it to turn the gas control valve counter-clockwise to remove the gas control valve. CODE: 70, 701, One timePROBLEM: Problem with the computer board. FIX: Check for the proper settings on the computer board. If the status light still doesnt come on, I bet the pilot flame fails to heat the thermopile sufficiently. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. I recommend the factory setting or default of 120F (49C). The cookies is used to store the user consent for the cookies in the category "Necessary". You can do a few basic checks first like making sure there are no loose wire connections or soot on the flame rod. 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.. When the temperature of the stack flue rises above a certain degree, this error message will show up on your heater. It sounds like the main control is malfunctioning, what's the complete model number of this water heater? Find the right water treatment products for your needs. 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. Double check with your water heaters manual first and if everything seems to be fine, then you need to call out a technician. Error code 441 (LED flashes two times) Problem: Flow sensor. Possibly a short somewhere, check all your wires for frayed or cut insulation on them shorting out. Start with turning off the gas control valve to the off position. First, the pilot light wont come on until you try to light it up. This error code is another thermistor failure but this time, it is referring to the mixing or mix thermistor. Clean: Check the AFR rod for soot and clean it if necessary. When the water leaks out of any place from the water heater, the leak sensor senses it and notifies you by throwing the fault code E04. Just turn on a hot water faucet and let the water run for several minutes. F1-7 Fault Code, LFFU14F5HWD Frigidaire freezer won't shut off. The thermostat(s) on this water heater have been factory set to 120F to reduce the risk of scald injury. And the reason is the thermistor gets shorted electrically. Once you solve the leak issue, return the electric power to your water heater. They also have to make sure that the flame rod does not come with soot. Finally, turn on your water heater and you can see the error code is gone. If you own a 540 model AO Smith tankless water heater, then this is an error code that may appear on your display screen. Trouble codes on the AO Smith Water Heater mean your water heater is not working properly. The fan motor could also be blocked by dust, debris or dirt and needs a clean. 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. Once this problem occurs, the main burner will go into the off position along the pilot light immediately. Disconnect every connection like the igniter wire, thermopile wire, pilot tube, and manifold tube from the gas control valve. You should be able to find the settings in your water heaters manual, but if you are stuck, contact the support at AO Smith. FIX: Connections or breakage of wires of the flow adjustment valve, scale buildup on the motor drive which gets locked, water leakage. Check if there are any foreign particles or grease on the gas burner and fan motor. If it doesnt throw a trouble code, make no beeping, or flashing light, and understand the water is functioning properly. Understanding Noritz error codes and troubleshooting Noritz water heaters. Is the surrounding air contaminated? Below, I will explain the meaning of status light codes and what steps you should take to stop the blinking light. Solution: Check for connection and wire breakage or computer board failure (burn marks). Malfunctioning Control Board 4. Basically, both 2-chamber and 4-chamber models will pop up with those error codes. The gas pressure to the Pentair pool heater often gets obstructed due to clogged gas pipes, incorrect pressure settings, and turned off gas valves. The Pentair heater e05 error code is one of the 12 error codes for this pool heater. 12-Year limited residential warranty gives you peace of mind. Generally, the water heater will display this faulty code if the outlet thermistor (TH-4) remains open. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. GPVH50100 GPVH50101 XCVL40-200. Disconnect the main water line and turn off the heater before properly cleaning the pipes.