Lets get started! Replacing the control board is the only solution to fix this water heater issue. Learn More. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. Increase the temperature on the remote if it is set too low. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. This code indicates that the water heater is not able to properly heat the water. The specific codes might also differ slightly depending on your specific model of Rheem. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. Phase #2: Remove the top two screws from the top and bottom of the front cover. Understanding Noritz error codes and troubleshooting Noritz water heaters. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. Some simple issues can result in the water flow being low and you should be able to solve them yourself. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. Also, we broke down the troubleshooting steps to clear the message. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it. Rinnai fault code 11 - No ignition. I was told to check the flue, gas, is it plugged in, who installed it. Rheem is a trusted American appliance brand that is close to 100 years old. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. Receiving error code 61 -Faulty Blower Motor. As a concerned Rheem tankless water heater user, you may want to know what causes this error code and how to fix it. emergency housing in dothan, al history of goffs manor water bird whistle history jobs at arsenal training ground hillsborough county high school athletics June 13, 2016 Read More If the problem persists, call a qualified technician for service. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. Also how to clean the inlet water filter. Checking the main burner and cleaning it will also worth it. Remove the panel cover and locate the reset button behind the insulation. That being said, customers have reported a much higher frequency of certain codes, which well cover here. 5. Like other water heaters, the Rheem tankless water heater has a venting system. The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your tankless water heater. Locate the reset button on the control board inside the unit. Hi there, i am Eugene - an experienced HVAC / appliance technician. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. However, there is also another meaning of the error code 29. If that doesnt fix the problem, you may need to call a plumber to take a look at your water supply line. In other words, youll need a very in-depth knowledge of these devices to understand each error code and an even more in-depth knowledge to solve it. Then, reset the Rheem tankless water heater again. Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm This code indicates that the unit is not getting enough water flow. Turn on the power to the unit at the breaker box, and wait a few minutes for it to heat up before using it again. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. Turn off the power to the water heater for 10 seconds and then back on. Cause: Most of the time, the water heater doesn't start because the hot water tap is not fully open, so the water flow is low. It will usually be red or black, and may be labeled "reset.". Error Code E1: This code indicates that there is insufficient water flow to the unit. Transitional Design House Bathroom Vanities without Tops; If its empty, dont forget to fill it with gas. If your Rheem water heater is flashing white light, it shows that your pilot light is out and the water will still be cold. Replace the panel cover. The above list of Rheem tankless error codes might help you troubleshoot the problem successfully, but if you cannot solve it, you cannot find the code here, or it is hard to fix the unit, I would recommend calling a professional. Next, check the resistance of the heat exchanger thermistor. First, check the exhaust and venting flue for any blockages. Consequently, this affects the communication between your remote control and the water heater. 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.. As always, your best resource is your owners manual since it'll have the specific information you need for your model. [Fixed], Honeywell Water Heater Gas Valve Reset (How-To Guide), 15 Common Rheem Error Codes [Ultimate Guide], Rheem Tankless Water Heater Code 11 (Fixed), Top 5 Navien Tankless Water Heater Problems [Fixed], Whirlpool Duet Dryer No Power To Control Panel (Causes + Solutions). What Size Heat Pump Do I Need for 2000sq ft Home. Loose connections may still result in the code 76 error. 4. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. Below, we will show you how to fix those issues to clear away the error message. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. One for the hot side and another for the cold side. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. Reason: Remote Control Communication Fault. Troubleshooting for a switch malfunction could mean turning it off and on again by forcing a reset on the control board, all you need to do for that is press the MIN and MAX button. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Of course, dont hesitate to replace the blower motor if it gets broken. By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. A tankless water heater can be a great addition to your home. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. forms: { If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. First, check for any debris around the burner assembly and clean it off if necessary. Step 1 and 3 plus b. And lastly, check out the burner manifold pressure. Aside from a defective remote control, faulty wiring may also lead to the Rheem tankless water heater code 76 error. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. . You can also check that the ohms are correct though your sensor may need to be replaced. Pipe dope may also cause a blockage inside the water flow control turbine. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. 2. Understanding the symptoms to look for will make it easier to fix the error. To resolve this false flame issue, start by resetting the unit. Error Code 11indicates an ignition failure. Unfortunately, many things can cause an ignition failure. From the bottom of the unit, take out two screws that hold the computer bracket in place. If you can solve a problem or a fault without having to make a service call then, not only will you learn more about how the water heater works, but you will likely save yourself some money. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. Therefore, our top advice is that you contact a professional plumber when you see an error code. This may be that the water control valve has the incorrect voltage or that there are loose/damaged connections on the water control valves wiring harness. If you suspect either of these issues, contact a qualified technician for service. Tank sizes range from 15 gallons to 105 gallons to fit any household need. on: function(evt, cb) { Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. 11. window.mc4wp.listeners.push( Some of our partners may process your data as a part of their legitimate business interest without asking for consent. So, if you dont think you are up to the task, consult a professional. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. An error code 90 typically indicates that there are blockages in the heat exchanger or blower motor. Ensure you eliminate every obstruction from the vent termination of the building and the flapper valve. There may be a fundamental issue with your control board that it is not programmed properly or that the wrong gas type has been entered. Check the air intake and exhaust venting. Remove the access panel from the front of the unit. The cookie is used to store the user consent for the cookies in the category "Analytics". So, I highly recommend you to call a professional to handle this. Again, check for leaks and blockages and ensure all connections are tight. This could be due to a faulty thermostat or an obstruction in the exhaust vent pipe. Several reasons are responsible for the heater to throw this error message. What does E4 mean on a Rheem tankless water heater? It represents a water protection fault at the indoor unit. Check that the vents are connected properly with no obstructions, the correct materials should have been used for the installation. You will see a number that is flashing on the display, which will be accompanied by a beeping sound. The fan motor should also have the right voltage and may be water damaged due to condensation. In other cases, the error arises from a complex problem like a defective filter capacity. Reason: Air Intake Filter Switch Malfunction. Replace the combination gas control (thermostat). 3. The unit may be plugged into an outlet that does not provide enough power. 3. The good news is that you can prevent most of these defects by taking good care of your water heater. Resetting your tankless water heater will help you clear the error code from the control panel. The venting should also be adequately sealed and you may want it inspected by an expert. If none of these measures works then call in a professional to replace the control board (also known as a PCB). This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. When this process is completed, your water will be murky, because of the limescale that has been removed. That may be the cause but it could also be due to a clogged neutralizer on the condensing unit and you can clean the air inlet screen and the heat exchanger fins. If yes, clean the heat exchanger. Check to see that nothing is blocking the flue inlet exhaust or fan. If there are air flow restrictions surrounding the unit or obstructions at the vent terminal then this could also result in an error code 34. The water temperature on the remote control is set too high. To erase the error code 13, start with cleaning the dirty flame rods. Reading through Rheemserror code guide, youll notice the description for each error code is quite specific. I have installed many tank & tankless water heaters as I am a plumber. started. What does E5 mean on my Rheem tankless water heater? Your water heater will flash this error message on the control panel due to: Firstly, determine whether there is a problem with the remote control wiring or the remote control itself. Otherwise, you should replace the water flow sensor. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. Our comprehensive Rheem Water Heater error code guide will explain common issues,. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. Also, turn the gas shut-off valve to stop the gas supply to the unit. Error Code E2: This code means that the temperature of the incoming water is too low. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. Turn off the power to the unit at the breaker box. The top-selling product within Rheem Tankless Water Heaters is the Rheem Performance Platinum 11 GPM Natural Gas High Efficiency Indoor Recirculating Tankless Water Heater. Use our quick reference guide to find answers to common questions or for more detailed information use the search form to search for a specific question. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. In a worst case scenario, you may need to replace the control board. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Find the most common problems and see how to fix issues. Take the time to remove any obstructions from the venting as well as where the vent terminates outside. Now, try to turn on your water heater using the remote control. However, before you do that, confirm that the blower motor is turning freely as it may still operate with a small restriction. Resetting a Rheem Tankless Water Heater: Ultimate Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Consequently, this affects the communication between your remote control and the water heater. Check to make sure all gas connections are tight and there are no leaks. Turn off you recirculation pump if your unit is connected to one. If your water heater is in a cold basement or garage, it may not reach this temperature unless you use a recirculating pump to bring warmer water from elsewhere in your home. good stuff mate i have a rheem gas 871624pfj tankless it comes with code e 51 ,i turn unit off it clears error code and will work and stay working untill you stop using hot water then back to e51,cleaned filters ,still same any help pls. Consult the guide and see whether you have a grasp on the problem indicated by the code. Check that the program chip is properly installed and that the control board recognizes the right type of gas, which could be propane or natural gas. A communication error with the remote control can result in error code 76. If fault re-occurs book service call. The gas pressure to your water heater should range between 1.2- 3.5Kpa. Reason: Too High Outlet Water Temperature. An example of data being processed may be a unique identifier stored in a cookie. This is another fault that you may want to check with a professional. Save my name, email, and website in this browser for the next time I comment. It will usually be red or black, and may be labeled reset. I've had my tankless water heater for about 5 years now, and has never had a problem. Knowing what each error code means can save you from having to make a service call and can give you peace of mind about how serious, or not so serious, the problem is. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. Check the air filter. On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. If your Rheem electric tankless water heater needs to be reset, follow these steps: It will alert you that your water heater requires service or that there are damaged or broken components you need to repair or replace. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Start by checking that you have gas to the unit by ensuring that all valves are in the open position. 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. Rheem Water Heater Blinking White Light. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. Also, this warning message indicates that the unit has detected a false flame. These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. Start with inspecting the remote control. Troubleshooting John Wood tankless water heaters. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. Error codes are never a pleasant site, but theyre designed to make your life easier. Use the error code guideline below to identify the problem, or. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. The Rheem tankless water heater code means that incomplete combustion is taking place in your heater or it may be that the water flow is too high. } CANADIAN DEALS! In this case, check the followings: 1. Replacing the remote control may solve the code 76 issue and restore communication between the two components. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. The pilot light for the gas heater is blue; if it isn't, then probably there is an issue. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. However, Its essential to use an authentic Rheem replacement remote control for proper functioning. Cause: The water heater and its burner doesn't get enough gas. This can be caused by a number of things, including a dirty air filter, blockage in the venting system, or a problem with the combustion chamber. I followed the instructions to descale using. Use your Rheem heater manual as a reference when performing any repairs, and make sure to use the technical support number (1-866-720-2076) whenever you're unsure what to do. We have an in-depth guide on Rheem Tankless Water Heater error code 13 where we broke down the way of adjusting burner manifold pressure. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. There are a few possible causes of this problem: How to use a diagnostic system to repair a faulty heater. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. A Rheem tankless water heater should last 15 to 20 years, and potentially longer with proper maintenance and a water supply that doesn't contain too many minerals. Check the flame rod itself to see whether there are defects. Check the thermostat on the remote control; it might be set too low. Code 11 means that the ignition system has failed. It means the desired water volume is too high that exceeds your desired preset temperature. After cleaning the inlet filter, run the hot water only in the tap to check. It will not rust. It will likely be red and/or have a picture of a triangle with an exclamation point next to it. If the water pressure is low, the water heater is making strange noises, and keeps on coming up with a variety of error codes then it may be time to replace it. . There are a few possible causes for this problem. . The flame rod wire should be connected and it should be free of any carbon build-up. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours.
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