Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. The average water heater flood claim is $4,440 1. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . Remove the access panel from the front of the unit. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Error codes are never a pleasant site, but theyre designed to make your life easier. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. 3. Also, check that the vent terminal was installed properly on the device. 3. Another possibility is that the water heaters thermostat is set too low and needs to be adjusted. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. Make sure that the fan motor is operating properly. The minimum temperature for most tankless units is around 55 degrees Fahrenheit. If needed, replace it with a new one. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. d. Remove outlet pipe bracket and ceramic heater plug. Also, turn the gas shut-off valve to stop the gas supply to the unit. 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. In this case, you must replace the gas control assembly. Rinnai fault code 11 - No ignition. Begin with cleaning the air inlet filter. If you suspect either of these issues, contact a qualified technician for service. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Replace the combination gas control (thermostat). Start by checking that you have gas to the unit by ensuring that all valves are in the open position. Understanding the symptoms to look for will make it easier to fix the error. Reason: Too High Outlet Water Temperature. 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. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. Try plugging the unit into a different outlet. One such problem is the H103 error code. Secondly, inspect the exhaust vent or air intake pipe for a clog. 2. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. If they are then you may want to contact a specialist to take a look. After cleaning the inlet filter, run the hot water only in the tap to check. Find the most common problems and see how to fix issues. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. Features and error codes may have changed over the years so finding an updated resource is vital to ensure that you know what to do when a fault looks to have occurred. Rheem's business is hot water, and they spend their days innovating and manufacturing water heaters to keep your life running smoothly. Locate the reset button on the control board inside the unit. If yes, clean the heat exchanger. If fault re-occurs book service call. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. Solution: First, ensure that the water heater's circuit breaker in the service panel hasn't tripped. You can find a full list of error codes here. Code 04: Another error code, this time indicating a problem with the venting system. If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. If needed, clean the inside of this motor. 3. 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. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. Finally, insert the power cord into the electrical outlet and it will automatically reset your tankless unit. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. What does E4 mean on a Rheem tankless water heater? 5. But like any other piece of technology, they develop faults. Simple. 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. If the unit comes on, the wiring of your remote control is at fault. See if there is anything blocking the air vent on the device. You can also check that the ohms are correct though your sensor may need to be replaced. 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. Rheem tankless water heater error codes result from defects. Next, access maintenance information to determine the flow rate. If the water heater comes on, then the remote controls wiring is at fault. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. 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. Man Tips! Often, resetting the gas water heater allows the device to calibrate itself properly, and then the problem will fix itself. Finally, ensure the Molex connector is in good condition. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. If you dont know how to detect the source of the problem, you can read this guide. We also broke down what you should do if the capacitor gets faulty. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. How do you clear the error code on a Rheem tankless water heater? Error Code E4: This code signals that there is a problem with ignition or flame detection. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. Replace the panel cover. So, if you dont think you are up to the task, consult a professional. This code is known as the continuous combustion fault. This error is preventable by descaling the water heater on at least once a year. If the gas valve was disconnected, reconnect it. Check for an operational igniter and for any damage to the igniter wiring harness. An error code 90 typically indicates that there are blockages in the heat exchanger or blower motor. 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. Watch the following tutorial to learn how to replace the water flow sensor. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. 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. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. Check to see that nothing is blocking the flue inlet exhaust or fan. e. Start with inspecting the remote control. Cause: The gas shutoff valve is not open completely. Code 03: An error code that indicates there is a problem with the gas supply to the unit. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. Reason: The Control Board is not programmed. You should consult with a licensed professional and check local permit requirements before starting any project. That being said, customers have reported a much higher frequency of certain codes, which well cover here. If you have a Rheem tankless water heater, you may have received a code 76 error. 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. So, keep reading. See if the fins on the heat exchanger are dirty and clean as necessary. There should definitely be no obstructions for the exhaust termination and flue inlet, check that both have the right amount of clearance space too. A similar problem can be the outlet water temperature being beyond the remote thermostat setting. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours. Your email address will not be published. If nothing works for you, I suspect the PCB is the culprit. First, check for any debris around the burner assembly and clean it off if necessary. Explore More on homedepot.com. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. From the bottom of the unit, take out two screws that hold the computer bracket in place. Water Heater Showing Yellow Light. Check the pressure and adjust it accordingly. Thats all there is to it! window.mc4wp.listeners.push( Heres what you can do: Code 12 signifies that the water heater does not detect a flame. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. 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 ). Check the air filter. Double-check that the exhaust venting and air intake are both installed properly and look to be in good working order. user-manual-Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Manual. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. Remove any obstructions and try again. Reason: Remote Control Communication Fault. If the issue persists, it could be due to a clogged filter or sediment buildup in the unit. The flow meter sensor is also referred to as a water temperature sensor. Should you have a circulation pump installed, you can also turn that off or even remove it. The voltage should be 8 to 16 VDC. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. Save my name, email, and website in this browser for the next time I comment. Water flow is below the minimum required. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Summary of Contents for Rheem RTGH-RH10DV. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. However, like any appliance, they can sometimes experience problems. Also, we broke down the troubleshooting steps to clear the message. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. 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. Never had a problem or leak. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. We recommend you check the heat exchanger fins first for blockage. Increase the temperature on the remote if it is set too low. If its dirty, clean it out according to the instructions in your owners manual. Learn More. Solution: You must descale the water heater. In this guide, we will describe the common error codes this tankless water heater displays. The water temperature on the remote control is set too high. Some simple issues can result in the water flow being low and you should be able to solve them yourself. Reason: A false flame has been detected. Most tankless water heaters are operated by natural or LP gas. So, lets get started right here. As always, your best resource is your owners manual since it'll have the specific information you need for your model. For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. Among the common error codes is code 76, a sign of a problem with your water heater. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Hi there, i am Eugene - an experienced HVAC / appliance technician. If using propane gas, make sure that the propane tank has enough gas. The specific codes might also differ slightly depending on your specific model of Rheem. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Loose remote control wiring or the remote control itself gets defective. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Get FREE quotes from licensed Plumbers in your area today. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. The disk capacitor across the remote control terminal should range from 7.5 to 10 microfarads. Clogged condensate neutralizer. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. Use a paperclip or similar object to press and hold the reset button for 3 seconds, then release it. Remove the panel cover and locate the reset button behind the insulation. After you see a code on a tankless water heater, a common first step is to reset the device. 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 Care Tips for Rheem Tankless Water Heaters, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Excel Tankless Water Heater Troubleshooting (Complete Guide), Eternal Tankless Water Heater Troubleshooting (Complete, Furrion Tankless Water Heater Troubleshooting (Complete, Atwood Water Heater Troubleshooting Guide, A.O. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. Otherwise, you should replace the water flow sensor. 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. Required fields are marked *. Ensure the connections to the circuit board are secure. However, even the best tankless water heaters sooner or later may stop working or be affected by other If you find any, clean them out so that air can flow freely. 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. This can be due to a problem with your homes wiring or plumbing, or it could be an issue with the gas line itself. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. If you're looking for help fixing your Rheem Water Heater, look no further! See if the air inlet screen is dirty and clean as necessary. If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. However, these quick fixes will notalways fix your problem. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. From top to bottom of this guide, we broke down every error code our tankless water heater displays. It will usually be red or black, and may be labeled "reset.". If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. Why is my Rheem tankless water heater beeping? There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. First, make sure that the gas supply to the unit is turned on and that there is enough pressure. These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. 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. Replacing the remote control may solve the code 76 issue and restore communication between the two components. 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. You may even want to take out the flame to check it and clean it with some steel wool. . 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. Locate the flame rods on the front right side, Remove the rod by unscrewing the brackets that secure them to the burner, Clean them and screw them back into place. 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). What Size Heat Pump Do I Need for 2000sq ft Home. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. Like other water heaters, the Rheem tankless water heater has a venting system. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. Continue with Recommended Cookies. The repair guide provides info on how to deal with the heating problems. Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm 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. Now, try to turn on your water heater using the remote control. To erase the error code 13, start with cleaning the dirty flame rods. Quick View. 2. Then, inspect the heat exchanger fins for a clog and release the buildup. Here are some steps you can take to troubleshoot and fix the problem: 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. You must use an authentic Rheem tankless water heater replacement capacitor for efficient operation. Leave the unit for 2o minutes. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How to Reset Rheem Tankless Water Heaters, How Do You Troubleshoot a Rheem Electric Water Heater Rheem Error Codes, 5 Common Paloma Tankless Water Heater Error Codes, Common Electrolux Dryer Codes (E64, E65, E66, EF1, E91), F5E1 Maytag Washer Error Code? If not, continue reading. Water flow is too low, or the shutoff valve is not fully open. So, I highly recommend you to call a professional to handle this. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. When this process is completed, your water will be murky, because of the limescale that has been removed. The most common codes include Codes 5, 11, 13, and 29. You can use 100-grit sandpaper to remove the carbon buildup from the flame rods. Please select accurately so we can provide you with the best service providers in your immediate vicinity. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. This code indicates that the water heater is not able to properly heat the water. Please visit our Shutoff Troubleshooting . Finally, check for blockages in the inlet filter and combustion fan. The first thing you should do is check the filter and clean it if necessary. 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. Code 11 means that the ignition system has failed. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. But this task requires a lot of elbow grease. The neutralizer needs to be replaced soon. Rheem hot water heater has low or no hot water flow. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. The unit may be plugged into an outlet that does not provide enough power. Solution. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. However, both codes would only be displayed on a condensing tankless water heater. NOTE: Because these are potentially hazardous areas, dont attempt to fix a Code 11 unless you are a professional. Afterward, take out these two screws from the top of the computer board. You can also try shutting off the water and then disconnect the remote control. How to use a diagnostic system to repair a faulty heater. Flame failure during operation. 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. As a concerned Rheem tankless water heater user, you may want to know what causes this error code and how to fix it. Doing this will ensure that theres enough oxygen for proper combustion. If done correctly, you should hear a click when you release the button. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. Turn off the power to the unit at the breaker box. The heat exchanger may also be suffering from separations or cracks. 10 Common Reasons. It represents a water protection fault at the indoor unit. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. 4. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Aside from a defective remote control, faulty wiring may also lead to the Rheem tankless water heater code 76 error. Lastly, check the fan motor for proper operation. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. Unplug the unit from the power outlet on the wall. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. After that, connect the water heater directly to an electrical output source and test a hot water source like a shower. 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. Reason: Insufficient Heat Exchanger Temperature. The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your 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. Check the thermostat on the remote control; it might be set too low. Rheem tankless water heater starts malfunctioning over time. 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. Save my name, email, and website in this browser for the next time I comment. The most common Rheem codes are found here on Rheems official website (click on the first drop-down FAQ section). The inlet water pressure may be too low. There are further elements that you can check including that the inlet water supply filter is clean. 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. The venting should also be adequately sealed and you may want it inspected by an expert. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. It may be the case that both the fan motor and the control board need to be replaced. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. What I recommend to you first is to clean the blower motor and its housing. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. 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. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Inspect the venting system for any blockages. Check to make sure the gas is turned on at the water heater, gas meter or tank. 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. Reason: Continuous combustion lasting an entire hour. In this case, check the followings: 1. To resolve this false flame issue, start by resetting the unit. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. Step 1 and 3 plus b. Again, there should be no obstructions to the airflow and the vent terminal should be clear. Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. . 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. 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]. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods.