Turn the gas supply on and check for leaks by spraying soap solution on the connections. This numerical code is telling you about the ignition failure. Should the water heater light be blinking? If yes, its because the pilot light got extinguished recently and the thermopile is cooling down. Troubleshooting John Wood tankless water heaters. There will be various considerations which should be made in this circumstance for finding the perfect one. var intYear = dteNow.getFullYear();
Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. Solution: Check wires and computer board for damages. If the error code re-appears, replace the thermistor. Thirdly, locate the thermistor on your water heater. The owner is not there much in the spring and fall, like now, but the water heater is left running. If you choose a higher temperature, thermostatic mixing valves are particularly important to prevent scalding. Open the control panel and make sure that the stack flue sensor is working properly. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. How to tell if the AO smith water heater is working? Generally, it takes up to 90 seconds of continuous pilot operation before the thermopile reaches its operating temp. If you install the unit professionally and maintain it according to the manual, it will support you for up to 10 years. Turn off the main connection and clean all the airflow, water, and gas pipes properly. Find the most common problems and see how to fix issues. What does flashing light mean on AO Smith Water Heater? However, if it interrupts normal water heater operation, dont hesitate to call a plumber. If people see this error code, they have to be more aware because it is the warning for the 991 error code. Fixing the error as soon as it appears is important for the performance and longevity of the pool heater. We offer live virtual training on a selection of popular topics via Zoom. ST. Manual for 300 models. A.O. You may need to install Adobe Acrobat Reader to view these documents. An example of data being processed may be a unique identifier stored in a cookie. Alternatively, you should check for any loose connections and damaged wires that could be behind this power loss. 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. How do I reset my A.O. Install a new gas control valve and tighten it up using the 4 gas pipe by turning it clockwise. Power vented gas models with hot surface ignition & 2"/3"/4" pvc vent capability (21 pages) Water Heater A.O. Less things to go wrong. How to troubleshoot Rinnai water heaters successfully using Rinnai error codes guide. Use the search box below to quickly find your model number. Scale is caused by water settling on heat transfer surfaces and the impurities build up into a hard, crusty layer. The status light flashes 1 times with a three-second pause indicating your water heater operates at its tip-top condition. 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. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. It will be convenient for the homeowners who are handyman at the same time. First off, relight the pilot following the steps I mentioned earlier to verify the status light is blinking 4 times. Examine the water pipes and make sure that they are clean. The Pentair error code E05 indicates an open stack flue sensor. To solve this problem, you will need to find the correct settings for your water heaters model and reset them on the computer board. Smith Water Heater Error Codes. This error code occurs when there is a problem with the inlet thermistor. JavaScript is disabled. Once this problem occurs, the main burner will go into the off position along the pilot light immediately. I I highly recommend you use a multimeter to test the continuity of them and replace them if needed. Then, find the source of the water leak. It may take 90 seconds of pilot operation before the thermopile comes to its normal operating temp.
FIX: Is the water heater set for the right elevation? However, sometimes the provided manuals and instruction guides are not very clear and if you need help addressing some error codes that are popping up on your AO Smiths tankless water heater, then we have got you covered. 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. Connect the water line and turn on the heater to see the flow of water. Search For Support Documentation For Your A. O. Smith Brand Water Heater. And then, use the wrench to secure the thermistor properly. It will clear the error code. To solve & clear the error message, turn the power off to your water heater first. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Your AO Smith Water Heater will make a beep once it detects a problem to notify you that something is going wrong with the unit. 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. Below, I will explain the meaning of status light codes and what steps you should take to stop the blinking light. It usually means that there is a problem with the bypass valve. FIX: Check if the condensate drain is installed on the vent collar of the heater. You should keep depressing the igniter button for 90 seconds. Ever. The Water Heater Settings Hot, A, B, C, Very Hot Knob. 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Related Price Pages:A.O. Here are some error codes which can be learned. Solution: Check if the remote controller is of the right type, also connections between the water heater and remote. Solution: Connections or wire breakage of the flow adjustment valve, scale buildup on the motor drive that gets locked, or there is water leakage. See how to troubleshoot the flame failure, not enough, no hot water . AO Smith water heaters are designed to last. Residential & Commercial Water Heating Systems | A. O. Smith Never Descale Again. A thin or low flow of water to or from the water heater can also cause the e05 on Pentair heater display. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. 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. The reason behind this is that the heater does not get enough water to heat up properly causing an imbalance in temperature. What should you do first is- turn the gas control valve to the off position. I would Several reasons are to blame if the water heater keeps beeping. This is the thermistor attached to your outlet pipes. If it's shorted out, unplug the machine . {{INUSING}}, Water Heater Expansion
Solution: Check for the proper settings on the computer board. The water heater is surely essential to support modern households, and we can make sure that people will look for the best water heater which can be used for their household needs. Many factors affect the actual performance of a water heater. Either the thermopile doesnt cool down quickly or the pilot valve is stuck in an open position. Then, relight the pilot by following the lighting instructions I mentioned in the previous chapter. But if you have to increase the water temperature, try to stay well below 150F (65C) so the high limit switch doesn't trip. Smith Water Heater Troubleshooting. And the reason is the thermistor gets shorted electrically. d. Igniter activates. How long does an A.O. To solve this error, you will need to carry out the same checks and treatments in the above error. An example of data being processed may be a unique identifier stored in a cookie. So, its worth bookmarking this article. Rheem or A.O. Toggle navigation. I turned off for 5 minutes then back on. 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. Try our Buyers Guide to find the models that best meet the needs of your home. GTC-070 R3 Revision 2 includes updated troubleshooting information for error codes 3, 4, and 6. Remove the upper access panel by using a flathead screwdriver. I initially had to replace the lower element due to limescale. The fan activates after flow is detected. Generally, the water heater will display this faulty code if the outlet thermistor (TH-4) remains open. Turns out, ensure you dont set the thermostat too high. You also have the option to opt-out of these cookies. Second, turn on a hot water faucet anywhere in your house to let the air out of the waterline. Generally, a non-functioning thermostat, shorted heating element, and an unfit thermostat against the tank are the culprits that cause the water temperature of your heater too high. 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. COPYRIGHT 2023. They have to make sure that it can function properly. Once you solve the leak issue, return the electric power to your water heater. AFR rods monitor the air fuel ratio of your water heaters internal combustion engine, which is a massively important part of your water heaters function. Save my name, email, and website in this browser for the next time I comment. This is the error code that shows people that the dipswitch settings are incorrect. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Make sure that you maintain a cleaning schedule to keep the pipes clear and functional. The solution to this problem is just the same as the previous error code check for broken wires, damage, loose connections, dirt and debris. First off, turn the electric supply off to your water heater at the circuit breaker. How to use a diagnostic system to repair a faulty heater. FREE Estimates! Turn the electric power to your water heater off at the circuit breaker. If you own an AO Smith tankless water heater, then its important that you know how it works and what to do when things go wrong. Bathtub faucets typically have a flow rate of 5 Gallons per Minute. Check out the guide below for easy to understand explanations about each error code and the troubleshooting tips that can help you solve the issues you are facing with your AO Smith tankless water heater.