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I am glad to help. Use the error code guideline below to identify the problem, or. They are dirty or defective flame rods, faulty ODS thermocouples, and incorrect burner manifold pressure. Finally, check for blockages in the inlet filter and combustion fan. A flame failure is a little different from a failure to ignite and will likely require a specialist to take a look. If you encounter an code, it will be displayed on your Rheems digital thermostat display. 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. Double-check that the exhaust venting and air intake are both installed properly and look to be in good working order. Water flow is too low, or the shutoff valve is not fully open. The minimum flow rate should also be met to make sure that the tankless water heater fires. 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. This is a complete guide on Rheem Tankless Water Heater Error Codes. 2. Pipe dope may also cause a blockage inside the water flow control turbine. Please visit our Shutoff Troubleshooting . 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. E5 on a Rheem Tankless Water Heater means there is a high flow rate. 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. Check the air intake and exhaust venting. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. The wiring may become loose or corroded over time, hindering communication between your remote control and the water heater. need to install plumbing. 14. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. Insufficient fuel or restricted gas flow, faulty gas solenoid valves, defective igniter wire harness, and a problem with the igniter are some caveats that trigger the error code 11. There may also be foreign material or obstructions in the burner chamber so check that there are no blockages for the flame at the flame rod (or rods). This could be due to a faulty thermostat or an obstruction in the exhaust vent pipe. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If you have a Rheem tankless water heater, you may have received a code 76 error. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. One such problem is the H103 error code. It is also known as flue or chimney, which expels exhaust gasses out of the house. If that doesnt fix the problem, you may need to call a plumber to take a look at your water supply line. This is largely because the Rheem tankless water heater is not specially designed for continuous running along with a circulation system. Replace the combination gas control (thermostat). Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. In this case, you must replace the gas control assembly. The Richmond Marathon water heater offers a LIFETIME warranty. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. As a basic inspection, start with verifying that there is water flow through the unit. IN STOCK. Check the air inlet filer and clean as required. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. 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. Most tankless water heaters are operated by natural or LP gas. If you suspect either of these issues, contact a qualified technician for service. (function() { 3. 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. Attach the remote control to the tankless unit with a different wire. Info about all performed services, including dates. The most common Rheem codes are found here on Rheems official website (click on the first drop-down FAQ section). Locate the reset button inside the control panel. 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. It will usually be red or black, and may be labeled reset. 2. Your email address will not be published. The circuit breaker for the unit may have tripped. What causes water hammer in a house and what makes pipes to vibrate and make banging, ticking and popping sound? There are a few different codes that can be associated with Rheem water heaters. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. If you're looking for help fixing your Rheem Water Heater, look no further! A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. To erase the error code 13, start with cleaning the dirty flame rods. } In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. If fault re-occurs book service call. It will not rust. CANADIAN DEALS! For every 5 gallons, there should be 2 gallons and 3 gallons of water, Put you pump into the bucket and run it for 30-45 minutes, Make sure that power is turned on to the unit and circuit breaker is powered on, Make sure that the safety device on your unit is not activated resulting in the water heater not operating, Sometimes errors are caused as a result of communication fault instead of any particular issue with a component on the unit. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Smith Water Heater Troubleshooting Guide, 5 Common Problems with Camplux Water Heaters, Rheem Tankless Water Heater Code 29 (How to Troubleshoot), Rheem Gladiator Leak Sensor Reset Fixed, Rheem Water Heater Pilot Light Wont Light, water heater produces harmful gasses like, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? 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 . 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. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. There are a few possible causes for this problem. Reason: Air Intake Filter Switch Malfunction. But this task requires a lot of elbow grease. Water flow is below the minimum required. If its too low, the unit wont work properly. It represents a water protection fault at the indoor unit. Solution: You must descale the water heater. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. If your Rheem tankless water heater keeps shutting off, there are a few possible reasons why. The gas pressure to your water heater should range between 1.2- 3.5Kpa. Call the service if none of the steps taken above works. You can also check that the ohms are correct though your sensor may need to be replaced. Now, try to turn on your water heater using the remote control. Continue with Recommended Cookies. Phase #2: Remove the top two screws from the top and bottom of the front cover. 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. 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. In this case, check the followings: 1. Just release blockage from those components to get the ODS thermocouple back in the working condition. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Dont forget to release the blockage if needed. The second trick is to check for any blockage in the exhaust venting. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. Did not see that error code here. window.mc4wp.listeners.push( If they are then you may want to contact a specialist to take a look. Check the flame rod itself to see whether there are defects. Solution: First, ensure that the water heater's circuit breaker in the service panel hasn't tripped. 11. Next, inspect the ODS thermocouple to see whether it functions properly or not. Learn More. In most cases, however, this problem can be easily fixed by following the troubleshooting steps above. If you dont get this reading, you must replace the PCB. Ensure the condensate flow is free of dirt, debris, and buildups. 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 ). I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. See if the fins on the heat exchanger are dirty and clean as necessary. There are certain steps you can take which include checking the high and low fire manifold pressures and that the right type of gas is used. I see all of these bad reviews of the Rheem water heaters and notice that many seem to be purchased at a retail level either thru their plumber or directly from Home Depot or other home improvement outlet. Check to see that nothing is blocking the flue inlet exhaust or fan. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. Rheem Tankless Water Heater Error Code 61, Troubleshooting Tankless Water Heater Error Codes, Rheem Tankless Water Heater error code 13, Rheem Tankless Water Heater Troubleshooting Manual [Complete Guide], Bosch Tankless Water Heater Troubleshooting [A Complete Guide], Bosch Tankless Water Heater Error Codes [Ultimate Guide], Bosch Tankless Water Heater Wont Ignite [7 Easy Solutions]. A faulty capacitor is usually the problem if the . 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. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. See whether its correctly installed and whether its functioning properly. . on: function(evt, cb) { There are different reasons for why the water would flow through the water heater, but nothing actually occurs, specifically, that the water is not heated. You should also check that the fan motor looks to be working properly. Also, make sure that there are no plumbing or technical problems such as crossovers. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. 2. Ensure that the vent pipes are connected to the vent termination and that the venting meets various requirements (such as lengths, diameter, the construction material). Reason: A false flame has been detected. Error code 12 means your tankless water heater fails to detect the flame. Close the hot water tap and turn OFF the remote. Then, remove the front access panel. The error code 61 popping up on the LED display represents a faulty blower motor. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. 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 3. 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. The specific codes might also differ slightly depending on your specific model of Rheem. Reading through Rheemserror code guide, youll notice the description for each error code is quite specific. See an examplehow to descale a Bosch tankless heater. Shut off the water heater by unplugging it, Open the end caps on the valves and attach the hoses to them, Fill a bucket with water and add vinegar to it. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. There are further elements that you can check including that the inlet water supply filter is clean. Error Code E3: This code indicates that the temperature of the outgoing hot water is too high. 7 Awesome Tips For Sewer And Drainage Line Cleaning, how to match wires size with circuit breaker, Hybrid Water Heaters: Everything You Need to Know. Understanding the symptoms to look for will make it easier to fix the error. Have a different tankless water heater brand that needs troubleshooting? d. Remove outlet pipe bracket and ceramic heater plug. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Rheem tankless water heater starts malfunctioning over time. Finally, ensure the Molex connector is in good condition. This number indicates the you are dealing with. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . What does E4 mean on a Rheem tankless water heater? A fault with the water inlet temperature sensor would result in error code 31 and you may want to check certain elements of your Rheem tankless water heater yourself. } Reason: Current fault with the Blower Motor. It may be the case that both the fan motor and the control board need to be replaced. However, like any appliance, they can sometimes experience problems. Then, turn on the water heater again, which will reset the heater. Remove the access panel from the front of the unit. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. The most common code is E1, which indicates that there is a problem with the heating element. What Size Heat Pump Do I Need for 2000sq ft Home. 4. Take the front cover off. Err05 - Control Board is not accepting signal from switch. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. Call the technician because the water heater is overheating. Read reviews and complaints about Rheem Water Heaters, detailing commercial services, tankless heaters and more. If the heater functions well, then there is an issue with the remote control. 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. Bath. We broke down everything that will help eliminate the error message from the control panel. Shows hot to verify blue flame by removing panel cover. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. First, check the exhaust and venting flue for any blockages. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? The cookie is used to store the user consent for the cookies in the category "Analytics". Rheem offers several water heating solutions, and this article will focus on its line of tankless water heaters. 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. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Now, remove the three side screws of the blower motor and take out the blower motor. First, make sure that the gas supply to the unit is turned on and that there is enough pressure. In general, here are some additional things to check in order as you evaluate the issue with your unit. Replacing the remote control may solve the code 76 issue and restore communication between the two components. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. Some simple issues can result in the water flow being low and you should be able to solve them yourself. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. If its incorrect, you should adjust it. Solutions include replacing the remote controls wiring, changing the remote control, or changing the capacitor. Check the gas pressure; it might be too low, or the gas valve is not fully open. But like any other piece of technology, they develop faults. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. Error codes are never a pleasant site, but theyre designed to make your life easier. 4. 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. 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. The most common codes include Codes 5, 11, 13, and 29. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. Inspect the gas valve wiring harnesses for loose or damaged terminals2. Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. Start with inspecting the remote control. Save my name, email, and website in this browser for the next time I comment. 1. 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. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. 5. Save my name, email, and website in this browser for the next time I comment. We also break down how to clear those error codes from the display. Cause: The water heater and its burner doesn't get enough gas. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. 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. We recommend you check for a broken wire or poor electrical connection. The neutralizer needs to be replaced soon. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. . We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. 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. 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. If you have a Rheem tankless water heater, you may have received a code 13 error. If the water doesnt flow, we recommend you increase the flow rate. It is a significant upgrade to the version that uses tanks and delays water supply till it's hot. Quantity Add To Cart. My condensing tankless unit has been in service now for about 9 months and I recently got the "1L" code to descale. The water shutoff valve and hot water tap need to be fully open. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). We don't tend to provide any plumbing advice or any advice that should come from a certified professional. In that article, we described everything that causes your water heater to trigger the error message 12. If none of these measures works then call in a professional to replace the control board (also known as a PCB). Hi there, i am Eugene - an experienced HVAC / appliance technician. Takagi T-K-Jr2-IN-LP Indoor; Rinnai RL94iP HE+ Tankless Hot Water Heater; Rheem RTGH - 95XLP Prestige Propane Outdoor Whole House; Camplux 5L 1.32 GPM Outdoor Portable; Eccotemp Fv112-LP Liquid Propane; TAKAGI TH30SLP; Rinnai RUC98iP Ultra Series; Rheem RTG-64XLP 6.4 GPM Low NOx; Eccotemp L10 2.6 GPM water heater Page 1 CONDENSING TANKLESS GAS WATER HEATER Service Manual Models 199,000Btu / 180,000Btu Natural Gas ( NG ) / Liquid Propane Gas ( LP ) WARNING If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage, personal injury, or death. It helps us diagnose and determine the exact problem with the water heater. If you dont get this reading, you should replace the heat exchanger thermistor. Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. Afterward, measure the voltage of the wiring between the water control and the connector B. Heres a quick guide to help you understand what each code means and what you should do if you see one: Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. 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. 10 Best Tankless Water Heaters. There could also be loose or damaged connections on the wiring harness for the gas control valve which could set off error code 71. You may even want to take out the flame to check it and clean it with some steel wool. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. 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. Takagi Error Codes | Troubleshooting Guide and Repair Tips, AO Smith Tankless Error Codes | Problems | Troubleshooting, John Wood Tankless Error Codes | Troubleshooting Tips, Rinnai Error Codes | Troubleshooting Rinnai Water Heaters, Tankless Water Heater Problems | Troubleshooting and Repair Tips, Noritz Error Codes Guide | Troubleshooting Noritz Water Heaters, How to Replace a Water Heater Dip Tube - DIY Installation Tips, How to Fix Water Hammer Problem | Troubleshooting Guide, Navien Water Heaters | Review and Buying Tips for 2023. Check the number 11 where I break down the error code 61. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. First, check for any debris around the burner assembly and clean it off if necessary. Below, well explain how to read codes on your gas heater and what you should do to rectify the situation. Why is my Rheem tankless water heater beeping? In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. There are a few possible causes of this problem: Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. Resetting your tankless water heater will help you clear the error code from the control panel.