Your email address will not be published. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. This code indicates that the unit is in standby mode and is not providing hot water. Step #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. If the error code persists, contact a licensed technician. The gallons per minute (GPM) you and your family need at the same time will help determine the GPM your tankless water heater will need to deliver (e.g. The water heater will trigger the error code E5 if there is too much water flow. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. From what I have seen online, I believe these codes are read more Don A. HVAC/R, EPA Universal 86 Rheem tankless water heater indoor propane model RTG-95DVLP Rheem tankless water heater indoor propane model RTG-95DVLP from 2013. If the waters temperature is too high, this should be indicated in the maintenance information. If all seems good, the problem may be a faulty PCB. Rheem Tankless Water Heater Code E5 [7 Easy Fixes] Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. The error code c7 stands for a defective communication between the remote control and the tankless unit. They are usually displayed on the screen of the heater unit itself. How to use a diagnostic system to repair a faulty heater. From top to bottom of this guide, we broke down every error code our tankless water heater displays. While you could continue to reset it every time, the best solution is to either replace it with a larger water heater or install a second one. Before you try anything else, reset your Rheem water heater. It is a significant upgrade to the version that uses tanks and delays water supply till it's hot. If there is no information, the unit should be working correctly. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. Simple. { Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Error E5 codes may be the result of a malfunctioning combustion alarm. If the error code goes away, the problem is within the vent system, and if it doesnt, the PCB or the blower motor should be inspected and replaced if necessary. The heat exchanger may also be suffering from separations or cracks. After removing the front panel cover, press the air intake switch and ensure it operates correctly. Open the hot water faucets in your home and if there is a steady flow of water from those faucets then you may have a bleed-over problem which would require a service call. Do note that solving each code will require a comprehensive understanding of the technical details of a tankless water heater. Clogged condensate neutralizer. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. So, if you dont think you are up to the task, consult a professional. It means the desired water volume is too high that exceeds your desired preset temperature. Rheem Tankless Water Heater Error Codes P1, 02. A clogged condensate drain line and incorrect condensate line piping are the common causes to block the drainage system. Tankless Water Heaters for your Home - Rheem Tankless Water Heaters it comes to homes, an issue that frequently arises is that the unit that is installed is not of the appropriate size for the households requirements. Our whole-home gas and electric models are great for homes with busy families, homes with luxury bathrooms and vacation homes, while our point-of-use electric models are ideal for a single faucet or shower. Check your units troubleshooting manual for more model-specific information. Ensure the heat exchanger flapper is not blocked and moves freely and that the whole vent system is clean and not blocked. Ensure the airflow is not restricted or blocked. Common symptoms, problems, and fixing tips. The connection to the thermistor is incorrect. Afterward, remove every speck of dirt, debris, and buildup from the air intake filter. In this case, check the followings: 1. Secondly, inspect the exhaust vent or air intake pipe for a clog. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. The inlet fuses to the power supply should also be in working order and ensure that the hot and cold water lines are not crossed following the installation. Ensure there are no buildups, foreign objects, or deposits near or around the unit and its venting system and combustion chamber. Ensure the flame rod and gas valves wiring are in good working condition, installed correctly, and receive enough voltage. Cause: The gas shutoff valve is not open completely. Rheem Tankless Water Heater P1 Code - Heaterview You may need to replace the thermistor or the PCB. I have just updated this article as per your request. Check that the vents are connected properly with no obstructions, the correct materials should have been used for the installation. During the troubleshooting, you can remove the vent structure from the unit and start it. 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. The most common codes include Codes 5, 11, 13, and 29. Once your have your parts together, here are the steps to descale the water heater. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. Below, well explain how to read codes on your gas heater and what you should do to rectify the situation. This is relatively simple and can just mean shutting off all your hot water faucets. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. Rheem error code 11 indicates that the ignition has failed. Rheem tankless water heaters provide water on demand. Check the venting on the device for any blockage and clear as necessary. Check the air inlet filer and clean as required. You can also check that the ohms are correct though your sensor may need to be replaced. You may need to replace the air filter switch assy or the PCB. For instance, the exhaust cannot be recirculated back into the units fresh air intake. Often, resetting the gas water heater allows the device to calibrate itself properly, and then the problem will fix itself. You can compare this code to those on our list to find out what is wrong with your heater. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? We have a rheem electric tankless water heater with E5 code What Are The Signs To Look Out For In A Failing Water Heater? Rheem error code 52 can be caused by loose or damaged wiring or terminals. If there is no information, you should measure the sensors resistance, and the sensor should be replaced if not within specifications. If its empty, dont forget to fill it with gas. After cleaning the inlet filter, run the hot water only in the tap to check. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. A defective or loose wire connection between the water control and the connector B on the PCB is the main culprit that causes your heater to pop up with this error message. Rheem error code 79 means there is a problem with the current of the fan motor. I got error code A104 on my electric rheem water heater. it - JustAnswer Lastly, check the fan motor for proper operation. event : evt, According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. These are: Check the resistance readings of each sensor wiring and replace the sensors if not working correctly. Now, remove the three side screws of the blower motor and take out the blower motor. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. Its about a year old and - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. 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. To troubleshoot the Rheem error code 10, check the air intake condition, exhaust flue inlet, heat exchanger, fan blade, and fins. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. When you shop through links on our site, we may earn an affiliate commission. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Mainly E5 on a Rheem tankless water heater means a high water flow rate. Ensure the unit is properly grounded and its wiring is in good condition. Rheem Electric Tankless Water Heater Error Code E5, 05. After that, you should replace the front panel and then restart the heater. Replacing the control board is the only solution to fix this water heater issue. The specific codes might also differ slightly depending on your specific model of Rheem. Rheem tankless water heaters provide water on demand. Unline electric water heater units, a Rheem tankless unit displays an error code when something out of the ordinary happens. Rheem error code 13 indicates a problem with the flame rod, typically accompanied by poor or improper combustion and found on indoor units. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. 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. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. You should also check that the fan motor looks to be working properly. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. Now, plug the water heater into an electric outlet and turn on a hot water source. In some cases, the error comes up when the water heater has a water flow rate that's too high. Inspect the condition of the flame rod and blower motor, the air intake, and exhaust vents. Save my name, email, and website in this browser for the next time I comment. Then, locate the two terminals connected with the remote control. A Clogged Neutralizer Is Causing Rheem Tankless Code 29. You should also measure the Molex connections resistance. Ensure the MIC-180 and the EZLink are installed and set up correctly. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. callback: cb Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. Resetting your tankless water heater will help you clear the error code from the control panel. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. If you fail to start the water heater after replacing the remote control or its wiring, we are 100% sure the culprit is the PCB or control board. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. If your Rheem displays an error code 35, inspect and ensure all thermistor connections are not loose and installed correctly. You could try to inspect the heat exchanger thermistor or flush the unit and remove any build-up of limescale (see also What Is Limescale? ). Rheem error code 14 means the overheat film wrap has been activated, usually caused by a hot spot. The water shutoff valve and hot water tap need to be fully open. Reason: Poor/Improper Combustion due to the flame rod. The alarm sounds every 60 seconds when the tap is open. However, with so many different error codes, you might have no idea what each code means. There is a wide variety of potential causes for the problem, including faults with the supply of gas and electricity, or failure to regulate temperature. 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. Then, turn on the water heater again, which will reset the heater. A temperature of 32F means the thermistor that does not make a good connection, and 199F means a direct short. There are a few reasons why the reset button might trip. Just like error code 65, you should also inspect the tankless water heater for any loose or damaged connections on the wiring harness of the water bypass valve. See our article Why is My Tankless Water Heater Beeping? Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. You will see a number that is flashing on the display, which will be accompanied by a beeping sound. Before you make a service call for error code 51, check for any loose/damaged terminals on the wiring harness for the gas control valve. Touching any wires while the power is on can cause an electric shock. Ensure all vents are not blocked and in good working condition. Rheem Tankless Water Heater Code E5 [Reasons + Solutions] If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. Rheem error code 05 means there is a problem with the combustion. Has your Rheem tankless water heater suddenly stopped working? Restart the unit and adjust the high-altitude fuel type chip and DIP switch. Replace the PCB if the error code 82 persists. Did not see that error code here. Tankless models need routine maintenance to ensure they remain energy efficient. As an Amazon Associate, I earn from qualifying purchases. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. If the error code disappears, then the problem is within the venting. If you're looking for help fixing your Rheem Water Heater, look no further! 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. If the remote control works, we bet the wiring is at fault. This error can be checked via two methods; checking that the front panel is installed properly and that the air filter door looks to be sealed correctly. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. No spam, we promise. If the fault is not so serious then you may be able to fix it yourself and get your water heated soon enough. there's a good chance that a change or two have taken place. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. You can find data about the water flow in the maintenance information. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . To fix this issue, you need to slow down the flow rate. See how to troubleshoot the flame failure, not enough, no hot water . Ensure the unit is installed correctly, the hot and cold water lines are not mixed up, and there is enough water flow. Rheem Tankless Water Heater Troubleshooting [Complete Guide] Then, inspect the gas solenoid valves and make sure they work properly. Reason: Too High Outlet Water Temperature. Check the thermostat on the remote control; it might be set too low. Again, there should be no obstructions to the airflow and the vent terminal should be clear. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. And thank you for mentioning your issues. Check the wiring, the Molex connections, and ensure no scale buildups or debris. Replace the PCB or the PGRF valve if necessary. What does E5 mean on my Rheem tankless water heater? However, even the best tankless water heaters sooner or later may stop working or be affected by other Just release blockage from those components to get the ODS thermocouple back in the working condition. If not, the problem could be caused by the blower motor and the PCB. Rheem error code 90 indicates a blocked flue. If not, continue reading. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Replace the PCB or the communications cable if necessary. Ignition failure at start up. Rheem Tankless Water Heater Error Code 61, Takagi Water Heater Error Codes [Ultimate Guide], Rheem Tankless Water Heater error code 13, Rheem Tankless Water Heater Troubleshooting Manual [Complete Guide], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm, Loose remote control wiring or the remote control itself gets defective. Next, you need to remove some wires that come in the way like the blower motor wire, flame rod wire connectors, over wrap film plug, and others. If yes, clean the heat exchanger. Rheem error code 15 means the heat exchanger is overheating. Hire a plumber and tell him to clean the inlet filter at the cold water connection to the unit. Check if the maintenance information displays the ambient air temperature. The valves, the main burner, the flame rod electrodes, or the PCB may need to be replaced. You may have to replace the PCB if the readings are within specs. However, if there is no information, measure the resistance to the heat exchanger thermistor. Rheem Tankless Error Codes | Problems | Troubleshooting Guide Rotate the thermostat to achieve your desired water outlet temperature. . Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. It helps us diagnose and determine the exact problem with the water heater. Save my name, email, and website in this browser for the next time I comment. Inspecting their condition and cleaning them will typically fix this error code. 11. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Hi Scott. It will be better if you install the heat tape close to the exit to the main drain to get the best output. Sometimes this issue can be fixed by simply restarting the unit. Locate the thermostat dial. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Rheem Tankless Water Heaters Error Codes Breakdown Error Code: No Code It occurs when the water flow rate is extremely low. You may need to replace the thermistor or the PCB. The Rheem error code 14 can be caused by using the wrong type of gas, blocked or obstructed airflow, vent terminals and exhaust vents, and faulty or a damaged heat exchanger. If needed, replace it with a new one. We broke down everything that will help eliminate the error message from the control panel. There is an issue with the PGFR (proportional gas flow regulating) valve. Rheem Tankless Error Code Troubleshooting | Water Heater Hub If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. However, if the resistance seems good, the PCB may need to be replaced. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. You may also want to ensure that the altitude settings are correct for your location. If none of these measures works then call in a professional to replace the control board (also known as a PCB). Consult your owners manual to find out exactly where you need to look. If you meet the gas supply and installation requirements, check the following: If there are no issues with the wiring and readings are normal: If you find that your tankless heater often requires a reset, it might be that its overloaded. If it does, the unit should be working properly and restarting. Rheem tankless water heaters are among the most reliable you can buy, but like any technology, they will eventually encounter issues. In a worst case scenario, you may need to replace the control board. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. Issues affecting the thermistor, such as wiring. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. Understanding Noritz error codes and troubleshooting Noritz water heaters. I guess the PA error code is a air conditioner related fault code. Turn off the power to the unit at the breaker box. Similarly to error code 51, you may want to check that the terminals on the gas solenoid valve wiring harness are not loose or damaged. If there is no pulse output, you should replace the fan. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. A similar problem can be the outlet water temperature being beyond the remote thermostat setting. All content found on this website is intended for informational and educational purposes only. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. This code will be shown on the heaters digital display or sent to a mobile app on your phone. Check the vertical and horizontal vent lengths and ensure they meet the standards for safe operation. Before you do ask for extra help, find out what the error code means and you may be able to solve it without making a service call.
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