Quick View. However, these quick fixes will notalways fix your problem. Copyright. What does E4 mean on a Rheem tankless water heater? In that article, we described everything that causes your water heater to trigger the error message 12. Then, leave your water heater for 30 seconds in state of disconnected from the power source. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. One for the hot side and another for the cold side. Then, locate the two terminals connected with the remote control. When the ODS gets activated, your tankless water heater will trigger the error code 13. 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. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. These water heaters may help you qualify for insurance discounts 2. The most common codes include Codes 5, 11, 13 . 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 lower or higher value indicates a faulty capacitor. Over heating. 14. A yellow pilot light means that the pilot is not . Water flow is below the minimum required. 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. 2. A tankless water heater is a complicated device. Rheem tankless water heater starts malfunctioning over time. 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. Next, check the resistance of the heat exchanger thermistor. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. Why Do You Feel Sticky After Swimming? Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. . Contractor or business name who did the installation and service. If you encounter an code, it will be displayed on your Rheems digital thermostat display. It's best to encompass your troubleshooting to the first and second tricks, which are: Rechecking whether the exhaust venting and the air intake is working properly. e. Take the front cover off. Also, check that the vent terminal was installed properly on the device. As always, your best resource is your owners manual since it'll have the specific information you need for your model. 1. Next, check the incoming water pressure to make sure it is within . 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. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. If you have a tankless water heater, you may occasionally see an error code displayed on the unit. Rinnai fault code 11 - No ignition. 1. Have a different tankless water heater brand that needs troubleshooting? If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. A new remote control should facilitate communication and solve the Rheem code 76 error. Next, access maintenance information to determine the flow rate. Each refers to a technical component of the tankless water heater and a specific description of the issue. Cycle your water heater two times by turning off- then turn on- at 10 seconds intervals. If needed, clean the inside of this motor. Press it inwards until it clicks in place and then releases. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. 1. A clogged heat exchanger, venting system, and air intake filter are responsible for making the ODS thermocouple defective. Expert Tip: You should avoid electrolytic capacitors because its difficult to identify their polarities. Flame failure during operation. Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. To learn more about error code 14, read this in-depth guide. Save my name, email, and website in this browser for the next time I comment. See whether its correctly installed and whether its functioning properly. 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. Cause: The gas shutoff valve is not open completely. If you do think that there are obstructions and foreign objects then they may be in the combustion chamber, the exhaust piping, the vent terminal, or preventing sufficient airflow from coming into the unit itself. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. What is Rheem Tankless Water Heater Code 11. Call the service if none of the steps taken above works. Remove any blockage you see. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. 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.. Instead, go for non-electrolytic capacitors like ceramic or film capacitors. The disk capacitor across the remote control terminal should range from 7.5 to 10 microfarads. 1. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. This code is known as the continuous combustion fault. Get FREE quotes from licensed Plumbers in your area today. Lastly, ensure the igniter wire harness is intact. The most typical problem with a water heater tends to be a water leak which can be common due to how many components come in contact with water. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Water volume control fault is what error code 65 indicates. Here are some steps you can take to troubleshoot and fix the problem: The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. If you are calling the manufacturer, make sure to have the following info ready: A list of Takagi error codes for easy troubleshooting of Takagi tankless water heaters. This is another fault that you may want to check with a professional. Bath. Your Rheem Water Heater will trigger this error code due to a faulty remote control, a bad PCB, and a damaged wire connection between the tankless unit and the remote. 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. . Filter FAQs by Category. If that doesnt fix the problem, you may need to call a plumber to take a look at your water supply line. If you have a Rheem tankless water heater, you may have received a code 13 error. 4. Check both of these things and make sure they are clear before resetting the unit again. If your Rheem tankless water heater keeps shutting off, there are a few possible reasons why. Here are some care tips for Rheem tankless water heaters: Rheem tankless water heater code 76 may be due to a simple issue like a loose remote control wiring. The unit may be plugged into an outlet that does not provide enough power. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. To check the remote control, unplug your water heater from electricity and pull out its cover. Again, inspect the thermistor wiring for any damage and this is an ideal time to check then clean the ambient thermistor itself and perform a check for the correct number of ohms. Begin with cleaning the air inlet filter. No spam, we promise. A flame failure is a little different from a failure to ignite and will likely require a specialist to take a look. During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Locate the reset button inside the control panel. If it has flipped off, flip it on. I was told to check the flue, gas, is it plugged in, who installed it. There are a few possible causes for this problem. If the remote control works, we bet the wiring is at fault. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. Shows hot to verify blue flame by removing panel cover. The several inches of foam insulation give it up to 0.93 uniform energy factor. Finally, check for blockages in the inlet filter and combustion fan. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. E5 on a Rheem Tankless Water Heater means there is a high flow rate. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. All Plumbers are screened, licensed, and insured. One potential reason is a defective remote control. After that, connect the water heater directly to an electrical output source and test a hot water source like a shower. Again, check for leaks and blockages and ensure all connections are tight. These two, if work out of order, can cause improper combustion inside the machine. Then, inspect the heat exchanger fins for a clog and release the buildup. 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 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. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. Therefore, our top advice is that you contact a professional plumber when you see an error code. Water Heating. On the other hand, if you can't turn on the unit, we bet the remote control gets defective. (24 hours) C read more Finally, insert the power cord into the electrical outlet and it will automatically reset your tankless unit. Remove the access panel from the front of the unit. Use the error code guideline below to identify the problem, or. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. If fault re-occurs book service call. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. Like other water heaters, the Rheem tankless water heater has a venting system. 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. 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. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. 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. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. Ignition failure at start up. 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. 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. 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. Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. Ensure you eliminate every obstruction from the vent termination of the building and the flapper valve. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. Rheem tankless water heaters provide water on demand. Increase the temperature on the remote if it is set too low. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. The good news is that you can prevent most of these defects by taking good care of your water heater. See an examplehow to descale a Bosch tankless heater. There should also be gas to the unit with the valves fully turned on and the unit itself should have the correct gas volume and pressure which can be checked by a specialist. You can also check that the ohms are correct though your sensor may need to be replaced. But like any other piece of technology, they develop faults. When this process is completed, your water will be murky, because of the limescale that has been removed. In most cases, however, this problem can be easily fixed by following the troubleshooting steps above. From top to bottom of this guide, we broke down every error code our tankless water heater displays. 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.