Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. 10 Common Reasons. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. Replacing the filters capacitor should solve the Rheem tankless water heater code 76 error and restore communication between your remote control and the water heater. (24 hours) C read more The Rheem tankless water heater allows you to access instant hot water. 3. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. The first thing you should check is the water pressure coming into your home. If the gas valve was disconnected, reconnect it. If the issue persists, it could be due to a clogged filter or sediment buildup in the unit. Code 03: An error code that indicates there is a problem with the gas supply to the unit. Lastly, check the fan motor for proper operation. If you have a tankless water heater, you may occasionally see an error code displayed on the unit. Aside from a defective remote control, faulty wiring may also lead to the Rheem tankless water heater code 76 error. Check the gas pressure; it might be too low, or the gas valve is not fully open. A jumper wire will help you confirm the remote control wiring problem. So, follow the troubleshooting steps we mentioned to clear the error message. These two, if work out of order, can cause improper combustion inside the machine. This may also be the ideal time to perform a bleed-over which requires the cold water supply valve to the water heater to be turned off. Check the igniter itself to ensure it is working, including how it was wired to the device. Once your have your parts together, here are the steps to descale the water heater. 4. You can confirm if the remote control is the problem by disconnecting the remote control wiring on the PCB board. Water flow is too low, or the shutoff valve is not fully open. Check to make sure all gas connections are tight and there are no leaks. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. There may be something blocking the inlet or outlet of the unit. The causes of the E5 code appearing on your heater's display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room . Check to make sure the gas is turned on at the water heater, gas meter or tank. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. Alternatively, you can test each potential error and devise a suitable solution. 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. 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. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. Turn off the power to the water heater for 10 seconds and then back on. The gas supply to the unit may be shut off or interrupted. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. You could check the power and if the unit is actually plugged in which is a good idea after a tripped or turned off circuit breaker (see also our guide on how to match wires size with circuit breaker ). When an error code is displayed on the screen and before you call the service support, do the following to reset the system, which might fix the issue: If nothing happens after resetting the unit and the error code is still visible, do the following: Cause: Limescale deposits in the heat exchanger water flow is reduced, and the temperature increases significantly. Code 02: This means that the water heater is actively heating water. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. Consequently, this affects the communication between your remote control and the water heater. Common symptoms, problems, and fixing tips. To reset the water heater, turn off the hot tap water and the unit itself. } In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. Instead, go for non-electrolytic capacitors like ceramic or film capacitors. If you have a Rheem tankless water heater, you may have received a code 76 error. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. If yes, clean the heat exchanger. 4. Another possibility is that the water heaters thermostat is set too low and needs to be adjusted. 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. 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 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. I can turn it off and leave off for a while 30 minutes or so, then turn it back on and it'll work for a day or so. However, even the best tankless water heaters sooner or later may stop working or be affected by other 2. If you are having trouble with your Rheem water heater, it is best to consult the owners manual for troubleshooting tips, or to contact a qualified technician for assistance. Reason: Remote Control Communication Fault. What does E5 mean on my Rheem tankless water heater? From cleaning the aerators as well as checking the pressure and flow of the water from your hot water faucet to checking then cleaning the water inlet filter on your tankless unit. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. . In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. Use a paperclip or similar object to press and hold the reset button for 3 seconds, then release it. Locate the reset button inside the control panel. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. You should also check that the fan motor looks to be working properly. 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. The most common codes include Codes 5, 11, 13, and 29. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. In most cases, however, this problem can be easily fixed by following the troubleshooting steps above. 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. The heat exchanger may also be suffering from separations or cracks. To clear this fault, you will need a pump and two hoses. We also break down how to clear those error codes from the display. Bath. Clogged condensate neutralizer. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. The fan motor should also have the right voltage and may be water damaged due to condensation. You may also want to ensure that the altitude settings are correct for your location. 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. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. The wiring may become loose or corroded over time, hindering communication between your remote control and the water heater. Your email address will not be published. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. Consult the guide and see whether you have a grasp on the problem indicated by the code. Lastly, ensure the igniter wire harness is intact. That being said, here are the most common codes and some potential fixes for each: Code 00 indicates that the water heater has been running without stopping for an hour. If its empty, dont forget to fill it with gas. Your water heater is the backbone of all you do inside the house, like doing chores, practicing good hygiene, and taking advantage of essentials that use hot water. 5. Lets get started! Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. To fix this issue, you need to slow down the flow rate. You could increase the flow rate or simply adjust the temperature though if all of these potential solutions fail then there may be a problem with the water flow sensor itself which needs to be replaced. What Size Heat Pump Do I Need for 2000sq ft Home. One for the hot side and another for the cold side. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. The average water heater flood claim is $4,440 1. In the rest of this article, Ill discuss the causes of Rheem tankless water heater code 76. This code is known as the continuous combustion fault. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. Our prices verses the exact same model at Homedepot.ca . Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. Check the venting on the device for any blockage and clear as necessary. Tank sizes range from 15 gallons to 105 gallons to fit any household need. (function() { Turn off the power to the unit at the breaker box. The most common codes include Codes 5, 11, 13 . If you encounter an code, it will be displayed on your Rheems digital thermostat display. Reason: Poor/Improper Combustion due to the flame rod. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. These water heaters may help you qualify for insurance discounts 2. To erase the error code 13, start with cleaning the dirty flame rods. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. In general, here are some additional things to check in order as you evaluate the issue with your unit. 10 Best Tankless Water Heaters. I am glad to help. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. Check the thermostat on the remote control; it might be set too low. Dont forget to release the blockage if needed. Then, reset the Rheem tankless water heater again. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. 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. Rheem ECO-180 LP by: Efren This water heater started to be a problem, 6 months after I bought it. Leave the unit for 2o minutes. 12. Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. Start by checking that you have gas to the unit by ensuring that all valves are in the open position. . Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. 3. You can also try shutting off the water and then disconnect the remote control. The neutralizer drainage ports should be clear and the neutralizer drainage line (see also 7 Awesome Tips For Sewer And Drainage Line Cleaning) outside the unit must be clear too. 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 Secondly, inspect the exhaust vent or air intake pipe for a clog. Pipe dope may also cause a blockage inside the water flow control turbine. If you have a tankless water heater in your home, you may How Much Propane Does A Tankless Water Heater Use, Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price), Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide), Best electric tankless water heater for rv. Why Do You Feel Sticky After Swimming? 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. And thank you for mentioning your issues. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. Remove any blockage you see. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. Water Heating. Reason: Too High Outlet Water Temperature. If your water heater comes on, we bet the culprit is the remote control itself or the wiring between the remote control and the tankless unit. The neutralizer needs to be replaced soon. When this error code will pop up, understand there is no ignition on your tankless water heater. You may even want to take out the flame to check it and clean it with some steel wool. The circuit breaker for the unit may have tripped. Visit Document There are a few possible causes of this problem: Save my name, email, and website in this browser for the next time I comment. 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 done correctly, you should hear a click when you release the button. The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your tankless water heater. You can also check that the ohms are correct though your sensor may need to be replaced. Take the time to remove any obstructions from the venting as well as where the vent terminates outside. Otherwise, you should replace the water flow sensor. Ignition failure at start up. Once confirmed, replace the faulty ignitor coil. there's a good chance that a change or two have taken place. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. The vent exhaust can be a little more complicated to solve though you should start by simply checking and removing any obstructions to the exhaust vent. You may need to ensure that the inlet valve is completely open and there are no obstructions to the cold water inlet pipe. Also, we broke down the troubleshooting steps to clear the message. The venting should also be adequately sealed and you may want it inspected by an expert. 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. Locate the reset button inside the control panel. Check to see if the breaker has been reset. Rheem tankless water heater starts malfunctioning over time. 11. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. 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. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. Nonetheless, freezing weather can also block up the neutralizer drainage system. Often, understanding how to rectify each error code requires an understanding of how the device works as a whole and how each part works together. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. In other cases, the error arises from a complex problem like a defective filter capacity. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. What I recommend to you first is to clean the blower motor and its housing. 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. Consequently, this affects the communication between your remote control and the water heater. The alarm sounds every 60 seconds when the tap is open. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. Remove any obstructions and try again. CANADIAN DEALS! Compare Now. Code 05 indicates an Imperfect Combustion Alarm. If you encounter this, heres what you can do: Code 10 indicates that the flame has been lost on the unit. For instance, the exhaust cannot be recirculated back into the units fresh air intake. Reason: Continuous combustion lasting an entire hour. See if the air inlet screen is dirty and clean as necessary. From the bottom of the unit, take out two screws that hold the computer bracket in place. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Problems with the combustion can also be caused by the flame rod though this should only display on an indoor Rheem tankless water heater system. 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. In this guide, we will describe the common error codes this tankless water heater displays. 2. This number indicates the you are dealing with. You will see a number that is flashing on the display, which will be accompanied by a beeping sound. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. There are a few possible causes for this problem. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. Take a look at the combustion chamber. It will be better if you install the heat tape close to the exit to the main drain to get the best output. The water temperature on the remote control is set too high. No spam, we promise. Every water heater venting system uses a duct or pipe. To check the remote control, unplug your water heater from electricity and pull out its cover. I called the helpline and that's where the B.S. Resetting your tankless water heater will help you clear the error code from the control panel. Rheem tankless water heater error codes result from defects. I've had my tankless water heater for about 5 years now, and has never had a problem. With a full line of Rheem . Before testing a hot water source, you must ensure that all connections are properly secured. With Installation Instructions For The Installer Direct Vent Tankless Water Heater D E SIG N C E Paloma: PH-28 (R,C)DVS(N,P) Paloma: PTG-74DV(N,P) Rheem: RTG-74DV(N,P) Richmond RMTG-74DV(N,P) Rheem/Ruud: GT-199DV-(N,P) 1.Safety Information Safety Precautions. Required fields are marked *. event : evt, Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. Error code 61 should mean that you should check the fan motor, specifically that it turns freely as even a small restriction could be the problem. There are a few different codes that can be associated with Rheem water heaters. Call the service if none of the steps taken above works. Tilt down the computer board, which will reveal the blower motor. From this chapter, you can learn about the most common error codes the tankless water heater shows. Reason: The Control Board is not programmed. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. The thermistor should also be free of any limescale build-up and may require a clean. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. The button must be held down for 3 full seconds in order for the reset to occur properly. Water volume control fault is what error code 65 indicates. Again, there should be no obstructions to the airflow and the vent terminal should be clear. In a worst case scenario, you may need to replace the control board. In this guide, we will look at where you can find the most current information for your Rheem tankless water heater and look at the error codes (see also AO Smith Tankless Error Codes: Problems And Troubleshooting) in detail. We and our partners use cookies to Store and/or access information on a device. [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). Why is my Rheem tankless water heater beeping? If you find any, clean them out so that air can flow freely. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. The second trick is to check for any blockage in the exhaust venting. This can be caused by a number of things, including a clogged filter or a problem with the water supply line. Call the technician because the water heater is overheating. If that doesnt fix the problem, you may need to call a plumber to take a look at your water supply line. See if the fins on the heat exchanger are dirty and clean as necessary. If the fault is not so serious then you may be able to fix it yourself and get your water heated soon enough. Replace the panel cover. Most tankless water heaters are operated by natural or LP gas. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Each refers to a technical component of the tankless water heater and a specific description of the issue. If nothing works for you, I suspect the PCB is the culprit. As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Table Shower Ultimate Guide (Must Know Secrets), 3 Ways to REMOVE PVC Pipe From a FITTING (Video Review), AO Smith Tankless Error Codes: Problems And Troubleshooting, Where You Can Find Current Information For Your Rheem Tankless Water Heater, The Error Codes On A Rheem Tankless Water Heater. As mentioned above, there are several more error codes you can potentially encounter with a Rheem tankless water heater. A tankless water heater can be a great addition to your home. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. Phase #2: Remove the top two screws from the top and bottom of the front cover. It is a significant upgrade to the version that uses tanks and delays water supply till it's hot. A new remote control should facilitate communication and solve the Rheem code 76 error. So, if you dont think you are up to the task, consult a professional. The flow meter sensor is also referred to as a water temperature sensor. need to install plumbing. Check the air filter. I followed the instructions to descale using. Understanding the symptoms to look for will make it easier to fix the error. In that article, we described everything that causes your water heater to trigger the error message 12. To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. . It is also known as flue or chimney, which expels exhaust gasses out of the house. Err05 - Control Board is not accepting signal from switch. Hi Folks, I just thought I would share with you a way to reset your Rheem Paloma WaiWela tankless heater after a descaling procedure. Error code 79 should indicate that there is a problem with the current heading to the blower motor and you may want to do a service call. IN STOCK. If you dont know how to detect the source of the problem, you can read this guide. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. The blower motor and flame rod FL-25 should also be checked. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it. Part # 683034. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. LPG users check Propane bottle level. Rinnai fault code 11 - No ignition. Inspect the venting system for any blockages. 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. To resolve this false flame issue, start by resetting the unit. Did not see that error code here. What causes water hammer in a house and what makes pipes to vibrate and make banging, ticking and popping sound?