It is easy to recognize if there is a leak because bubbles will form. 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. Look for the blockage in the vent system and ensure if the distance between the intake and exhaust is not too small. How do I reset my A.O. Solution: Check for connection and breakage of wires, burn marks on the computer board, and power supply to the unit. Now there are quite a few reasons why this error code appears, including a faulty stack flue sensor, damaged thermal regulator, and improper gas pressure. Check if there are any foreign particles or grease on the gas burner and fan motor. If there is a problem with the water heater, an installed remote will make a sound, and the error code will display on the screen. Solution: Is the water heater set for the right elevation? window.mc4wp.listeners.push( Changing the gas control valve is not as difficult as you assume. Look for the blockage in the vent system and ensure if the distance between the intake and exhaust is not too small. In this case, you must flush the unit. CODE: 10 (101), Five timesPROBLEM: Warning for the "991" error code. Now, you should be able to understand how these error codes work and what they mean. The owner is not there much in the spring and fall, like now, but the water heater is left running. The industry's first peace of mind, scale inclusive, 15-year warranty. Smith used 40-50gal gas hot water heater ok? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. I initially had to replace the lower element due to limescale. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. Conduct checks on all the parts and sensors on a regular basis. The fan activates after flow is detected. Pentair heater error codes are ERR PS, ERR HLS, ERR AFS, ERR IGN, ERR AGS, ERR SFS, E01, E05, and E06. Keep opening the hot faucets until all the air gets expelled out of the water heater. Gas water heater using too much gas. However, we often suggest professional help if the issue is complex. Products: Water Heaters . What you need to do is- attach the thermistor wires to the control board. Smith Water Heater, look no further! Continue with Recommended Cookies. Then, use a flathead screwdriver to remove the nuts that hold the upper access panel in its place. 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. Second, turn on a hot water faucet anywhere in your house to let the air out of the waterline. Smith NG water heater Commercial Shut down. Problem: Miscommunication between the water heater and remote controller. Hotwatertalk.com is a participant in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn fees by linking to the affiliated sites. While it may be igniting, its not keeping its flame and is going out before it can adequately warm up your water. If you're looking for help fixing your A.O. The thermopile of your water heater cant produce the required voltage output for two reasons. Our comprehensive A.O. FIX: Connections or breakage of wires of the flow adjustment valve, scale buildup on the motor drive which gets locked, water leakage. Put everything back into its place and turn the electricity on. Clean: Check the AFR rod for soot and clean it if necessary. Revision 2 includes updated troubleshooting information for error codes 3, 4, and 6. So, replace the sensor to clear the faulty code. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Then, watch this tutorial and follow the steps to get the temperature sensor replaced: If you observe the status light of your water heater flashes 7 times consecutively with a three-second pause, understand the gas valve is at fault. CODE: 441, Two timesPROBLEM: Problem with the flow sensor. 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. Is there leaking from the heat exchanger? You dont need to take any corrective actions as the status light of a functioning unit blinks 1 time every 3 seconds. This cookie is set by GDPR Cookie Consent plugin. These features are included with all Signature 500 Series water heaters. FIX: Check for the proper settings on the computer board. It will clear the error code. To solve this issue, there is no way except replacing the gas control valve. CODE: 12, 121, Three timesPROBLEM: Flame loss. Solution: Check wires and computer board for damages. CODE: 51, 55, 510, 551, Six timesPROBLEM: Abnormal gas solenoid valve. Then, leave the unit for 10 minutes to let the thermopile cool down. Disconnect the main water line and turn off the heater before properly cleaning the pipes. JavaScript is disabled. What should you do first is- turn the gas control valve to the off position. How to tell if the AO smith water heater is working? This error code usually means there is a fault with the flow adjustment valve. Problem: Miscommunication in an Easy-Link system. Its super important that you keep your AFR rod in the best condition so you can keep using your water heater safely. 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. Finally, turn on your water heater and you can see the error code is gone. They also have to make sure that the flame rod does not come with soot. Your AO Smith Water Heater's status light will blink 5 times every three seconds if the temperature sensor gets defective. These factors prevent the gas from reaching the heater and performing properly. This morning it started beeping again but still no error message. FIX: Debris on the thermistor, loose or broken wire connection. This cookie is set by GDPR Cookie Consent plugin. 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. 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. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. A list of Takagi error codes for easy troubleshooting of Takagi tankless water heaters. Is Spray Paint Flammable? He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. A.o. Throughout this article, I will disclose the meaning of the error codes your AO Smith Electric Water Heater throws. The 4-chamber model of AO Smith Electric Tankless Water Heater only throws this error code. So, whenever the error code pops up on the heater display, fix it with the help of our guide by yourself. 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. There will be various considerations which should be made in this circumstance for finding the perfect one. Many factors affect the actual performance of a water heater. An AO Smith water heater's operating temperature range is 80F or 150F (approx. He said it appeared the thin wires for the smart module had burned out from the plastic connector. Keep in mind that the error codes are shown differently if the units are connected through the Easy-Link System it can be seen what the error code is and which unit has it. In the Pentair pool heater exchanger, the thermal regulator helps the water reach a certain temperature and heat up the pool water. 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.. Another sign that this is the issue is if the error code is blinking five times. 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, if it interrupts normal water heater operation, dont hesitate to call a plumber. This error code pops up whenever there is a fault with the fan motor of your tankless water heater. 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 Install a new gas control valve and tighten it up using the 4 gas pipe by turning it clockwise. It may stay that way for a few hours but eventually the heater shuts off and the light flashes red (2 times) again. Solution: Check the wire connection, wire breakage, and debris on the flow sensor impeller. Find the right water heater for your needs. Turn the gas supply off at the manual shut-off valve on the gas supply line. Two consecutive flashes every three second stand for thermopile voltage issue. Smith water heater? View All Tankless Models with X3 Learn About Tankless with X3 Scale Prevention Technology If you install the unit professionally and maintain it according to the manual, it will support you for up to 10 years. Does the status light of your AO Smith Water Heater remain solid red? The AO Smith water heater is too hot. They have to make sure that it can function properly. I have an AO Smith 50 gallon with the electronic display. Problem: Bypass valve fault (only model 540). And then, use the wrench to secure the thermistor properly. It functions just like an outlet thermistor, but is found on your inlet pipes instead of your outlet pipes. Now, wait for 10 minutes to let the thermopile cool down. Resetting your water heater is a simple fix to this problem and helps you clear the error message. Then, shut off the main gas supply valve. The error code may also be flashing three times. I turned off for 5 minutes then back on. The flame rod should be free from dirt and grease, and the computer board should not be damaged. on: function(evt, cb) { *Annual energy costs are estimated from the energy efficiency of each water heater, your households estimated water usage & set temperature, the average If you own a 540 model AO Smith tankless water heater, then this is an error code that may appear on your display screen. 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. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. Not only that, but it also causes the Pentair pool heater to turn off. Continue with Recommended Cookies. The following steps will help you change the thermistor: Start with turning off the electric power to your water heater. Then, find the source of the water leak. The Water Heater Settings Hot, A, B, C, Very Hot Knob. It is also important to check whether there is damage to the computer board. There could be an issue with the power supply of your water heater and thus it could be failing. A Appliance Helpers representative is available for you 7 days-a-week including Holidays!! CODE: 651, Four timesPROBLEM: Flow adjustment valve fault. Ever. Low water flow and loose wiring also contribute to the Pentair Mastertemp e05 code. Why is my AO Smith water heater not lighting? CODE: 74, 741, 751PROBLEM: Miscommunication between the water heater and remote controller. This is the error code that shows people that the dipswitch settings are incorrect. Status light blinking once every 3 seconds but I dont see a flame in the window. Now there are quite a few reasons why this error code appears, including a faulty stack flue sensor, damaged thermal regulator, and improper gas pressure. F1-7 Fault Code, LFFU14F5HWD Frigidaire freezer won't shut off. (57 reviews) Model: E6-50R45D-TTP Lowe's Item #: 2483230. Generally, the heating element, top of the unit, tank, and drain valve are some common places from where the water is leaking. Of course, you are always open to reaching out to a professional if you fail to clear the error messages. If there is no scale build up, then you should check the connections and wires around the flow adjustment valve.
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