ao smith water heater error code e05

Solution: Check the wire connection, wire breakage, and debris on the flow sensor impeller. Anyway, whats the last time you flush your AO Smith Water Heater? All rights reserved. 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. The Solution Connections: Make sure the wiring is connected properly and isn't damaged. This cookie is set by GDPR Cookie Consent plugin. If the error code re-appears, replace the thermistor. callback: cb You May Find Interesting: Rheem Gladiator Solid Red Light. Turn the electric power to your water heater off at the circuit breaker. water heater from the system. 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. 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. Alternatively, the error code will flash four times. When the temperature of the stack flue rises above a certain degree, this error message will show up on your heater. Fix or replace the faulty parts, wires, or pipes as soon as you notice them. And then, use the wrench to secure the thermistor properly. } When the temperature sensor senses the water temperature is excessively hot, the status light will flash 4 times. The thermopile of your water heater cant produce the required voltage output for two reasons. Blue light now heartbeat dim & bright. 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. Premium 5500 Watt Stainless Steel Heating Elements are more efficient and longer lasting than conventional elements, with higher recovery. To bring your water heater to a normal operating state, you should replace the temperature sensor. Turn the gas supply off at the manual shut-off valve on the gas supply line. There are actually many types of thermistors in your water heater and thus, any error codes that relate to problems they are facing. To solve this issue, you need to check for any condensation within the heater. 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. 50 Gallon Short 6-Year 3800/3800-Watt Elements Electric Water Heater. FIX: Check for the proper settings on the computer board. Defective Thermostat/Thermistor 3. Models from the 240, 340, and 540 series will show the error codes on both temperature controller and remote controller. Error code E02 on AO Smith Electric Tankless Water Heater indicates that the unit determines the heated water exceeds the temperature limit. What does a thermal regulator do on a pool heater? Products: Water Heaters . Look for the blockage in the vent system and ensure if the distance between the intake and exhaust is not too small. Turn off the main connection and clean all the airflow, water, and gas pipes properly. To solve this problem, you will need to find the correct settings for your water heaters model and reset them on the computer board. Read also : Noritz Error Code Troubleshooting. window.mc4wp = window.mc4wp || { Before you start to disassemble your water heater, remember to shut off its power and that you reassemble it correctly. Low water flow and loose wiring also contribute to the Pentair Mastertemp e05 code. FIX: Check the wire connection, wire breakage and debris on the flow sensor impeller. Fold away the insulation to access the reset button (its red). We offer live virtual training on a selection of popular topics via Zoom. First off, relight the pilot following the steps I mentioned earlier to verify the status light is blinking 4 times. While it may be igniting, its not keeping its flame and is going out before it can adequately warm up your water. WaterHeater HUB 2021 - All Rights Reserved. The average cost per kWh is ${{ELECTRICITYPRICE}} This chapter will describe the meaning of a specific error message your AO Smith Electric Tankless Water Heater throws. Note: You can also read how to fix the Pentair heater error codes problem. See Figure 4. FIX: Check for connection/breakage of wires, corrosion or frozen connectors, fan motor covered with the dust, burn marks on the computer board. Shorted Heating Elements 5. If it's shorted out, unplug the machine . AO Smith ES12-50R55DV (50 gallon) electric hot water tank. Analytical cookies are used to understand how visitors interact with the website. To fix this issue, you should replace the control board. I have tested the power at the thermostat and the elements with a multi meter and they all check out fine. } Examine the water pipes and make sure that they are clean. In the Pentair pool heater exchanger, the thermal regulator helps the water reach a certain temperature and heat up the pool water. on: function(evt, cb) { However, damage and soot can sometimes prevent the AFR rod from doing its job properly and it requires attention. For example, if the status light blinks 2 times, there is an issue with the thermopile voltage output. What could that be? We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Solution: Check for connection and wire breakage or computer board failure (burn marks). Smith Water Heater Repairs. Read to know in details. Power vented gas models with hot surface ignition & 2"/3"/4" pvc vent capability (21 pages) Water Heater A.O. We also use third-party cookies that help us analyze and understand how you use this website. Turns out, ensure you dont set the thermostat too high. Remove the access panel and fold away the insulation. Turn the gas control knob to the off position by moving it counter-clockwise. You dont need to take any corrective actions as the status light of a functioning unit blinks 1 time every 3 seconds. Then, ensure you have the following pieces of equipment at your fingertips: Secondly, check the user manual and drain the water heater by following the instructions. Here are The Facts! 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. It may stay that way for a few hours but eventually the heater shuts off and the light flashes red (2 times) again. 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. Now, remove the ground joint union in the gas piping and disconnect the remaining piping from the gas control valve. Just like with the previous thermistor failure errors, you should follow the same process to solve it. 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. They only need to check if there is any blockage in the vents. CODE: 10 (101), Five times PROBLEM: Warning for the "991" error code. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Manual for 400 - 1000 models. Check for hidden leaks in hot water system . 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. Changing the gas control valve is not as difficult as you assume. 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.. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Turn off the heater to see that the E05 error code is fixed. Clean your AFR rod of any soot, and check for any damage or loose connections to see if you need to find a replacement. Once the thermopile reaches its operating temperature, the status light will no longer remain solid red. AO Smith Water Heater will throw an error code or make a beeping noise if the unit is not working properly. If needed, adjust the thermostat setting. The consent submitted will only be used for data processing originating from this website. FIX: Check for the proper settings on the computer board. They should also remove the grease or dirt which can be found in the fan motor as well as the gas burner. Secondly, you must replace the gas control valve if the pilot valve gets stuck in an open position. Learn more, Facebook II Twitter II Pinterest II Linkedin. It is easy to recognize if there is a leak because bubbles will form. Pentair Heater E05 Error Code [Reasons + Solutions]. The Pentair error code E05 indicates an open stack flue sensor. With power turned off to the heater replace the upper element. 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. An Easy Guide on How to Fix A Squeaky Door Without Taking It Apart, How to Remove A Broken Drill Bit from Wood? 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. Related Price Pages:A.O. An example of data being processed may be a unique identifier stored in a cookie. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Tank Guard gives you advanced tank protectionextends the life of your water heater. Just turn on a hot water faucet and let the water run for several minutes. Smith Water Heater error code guide will explain comm. To have the unit working properly, it has to be supplied with the power and correct connection. Solution: Check if the condensate drain is installed on the vent collar of the heater. Solution: Check for connection and breakage of wires, burn marks on the computer board, and power supply to the unit. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Another sign that this is the issue is if the error code is blinking five times. View more. They also have to make sure that the flame rod does not come with soot. This debris will be what is preventing your water heater from functioning properly. 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. 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 Below, I will explain the meaning of status light codes and what steps you should take to stop the blinking light. I already discussed how to make the replacement. Thirdly, locate the thermistor on your water heater. But if you have to increase the water temperature, try to stay well below 150F (65C) so the high limit switch doesn't trip. Replace everything back into its place. A. O. Smith. Generally, the water heater will display this faulty code if the outlet thermistor (TH-4) remains open. Finally, turn the power back to the unit and it will clear the error code. 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. Just hire a certified technician to do this for you. No spam, we promise. Solution: Debris on the thermistor, loose or broken wire connection. 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. You can now use this knowledge to help diagnose and fix problems with your AO Smith tankless water heater so you can continue enjoying hot water with little fuss!

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