Afterward, measure the voltage of the wiring between the water control and the connector B. All LED lit (1,2,3,A,B,C) This indicates there is a problem with the internal circuit. 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. A lower or higher value indicates a faulty capacitor. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. Afterward, take out these two screws from the top of the computer board. If your Rheem tankless water heater has been running continuously for over an hour you should look to reset the system. Call the technician. You can clean out the chamber yourself, but its best to call a professional to do it for you. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. 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. Phase #1: Start by turning off the power supply to your water heater. user-manual-Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Manual. The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. Check the air intake and exhaust venting. It will not rust. Again, check for leaks and blockages and ensure all connections are tight. c. Remove one ceramic heater plug. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. WaterHeater HUB 2021 - All Rights Reserved. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? If your Rheem electric tankless water heater needs to be reset, follow these steps: This number indicates the you are dealing with. 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. Understanding Noritz error codes and troubleshooting Noritz water heaters. If that does not work then you could confirm that the tankless unit is correctly grounded. If this doesnt work, your next step is to check the gas valve wire connections to ensure they are secure. ); Reason: Air Intake Filter Switch Malfunction. Instead, go for non-electrolytic capacitors like ceramic or film capacitors. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. Remove electrical connection box (single screw on outside left). 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 ). 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. 5. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. Error codes are never a pleasant site, but theyre designed to make your life easier. It will usually be red or black, and may be labeled "reset.". Watch the following tutorial to learn how to replace the water flow sensor. If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. We and our partners use cookies to Store and/or access information on a device. event : evt, The minimum temperature for most tankless units is around 55 degrees Fahrenheit. If you need to reset the code on your Rheem tankless water heater, follow these steps: Turn off you recirculation pump if your unit is connected to one. Finally, ensure the Molex connector is in good condition. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. The above list of Rheem tankless error codes might help you troubleshoot the problem successfully, but if you cannot solve it, you cannot find the code here, or it is hard to fix the unit, I would recommend calling a professional. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. Part # 683034. { Dont forget to release the blockage if needed. Please visit our Shutoff Troubleshooting . So, if you dont think you are up to the task, consult a professional. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. The cookie is used to store the user consent for the cookies in the category "Analytics". Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. Water volume control fault is what error code 65 indicates. I guess the PA error code is a air conditioner related fault code. 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 . When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. Check the number 11 where I break down the error code 61. In my experience, in most cases, it is a false flame code because when I look through the site glass, the flame is still visible. Increase the temperature on the remote if it is set too low. What Is The Most Common Problem Associated With A Water Heater? If you have a Rheem tankless water heater, you may have received a code 13 error. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). I have installed many tank & tankless water heaters as I am a plumber. The voltage should be 8 to 16 VDC. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. No spam, we promise. 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. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Error Code E1: This code indicates that there is insufficient water flow to the unit. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. } 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. Remove any obstructions and try again. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. However, you can also find a wealth of information from the owners manual which will be specific to your model of a tankless water heater. The heat exchanger may also be suffering from separations or cracks. 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]. You can find a full list of error codes here. The gas pressure to your water heater should range between 1.2- 3.5Kpa. Thats all there is to it! Hi there, i am Eugene - an experienced HVAC / appliance technician. . The Rheem tankless water heater allows you to access instant hot water. You can confirm if the filters capacitor is at fault by checking the water heaters control board. If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. The unit may be plugged into an outlet that does not provide enough power. Finally, check for blockages in the inlet filter and combustion fan. See if the fins on the heat exchanger are dirty and clean as necessary. This is a complete guide on Rheem Tankless Water Heater Error Codes. Water Heating. Error Code E2: This code means that the temperature of the incoming water is too low. Replace the panel cover. Locate the reset button on the control board inside the unit. Turn off the power to the unit at the breaker box. 1. 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. Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. Reason: Poor/Improper Combustion due to the flame rod. For instance, the exhaust cannot be recirculated back into the units fresh air intake. If the gas valve was disconnected, reconnect it. 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. Ensure the condensate flow is free of dirt, debris, and buildups. Therefore, our top advice is that you contact a professional plumber when you see an error code. Once confirmed, replace the faulty ignitor coil. 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. Cause: The water heater and its burner doesn't get enough gas. . Below, well explain how to read codes on your gas heater and what you should do to rectify the situation. Once your have your parts together, here are the steps to descale the water heater. (function() { Filter FAQs by Category. 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. 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. 13 Common Rheem Tankless Water Heater Error Codes, 11. Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. Code 11 means that the ignition system has failed. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. Pipe dope may also cause a blockage inside the water flow control turbine. Receiving error code 61 -Faulty Blower Motor. Error Code 29 indicates that the temperature is too low on the heat exchanger. If you encounter this, heres what you can do: These are the most common error codes, as well as the most common fixes for said codes. 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. Check the flame rod itself to see whether there are defects. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. The Marathon is a special water heater that has a seamless blow molded polybutene inner tank. What I recommend to you first is to clean the blower motor and its housing. The water shutoff valve and hot water tap need to be fully open. 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. 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. Checking the main burner and cleaning it will also worth it. 4. First, make sure that the gas supply to the unit is turned on and that there is enough pressure. Recalled Tankless Water Heaters - WebForm1 Recalled Tankless Water Heaters Paloma Rheem, Ruud, Rheem-Ruud and Richmond Brands Only the indoor power vent 199,900 BTU models are affected. 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 this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. To reset the water heater, turn off the hot tap water and the unit itself. 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. It indicates a neutralizer drainage failure. The error code c7 stands for a defective communication between the remote control and the tankless unit. Begin with slowing down the flow rate of your water heater. Reason: Current fault with the Blower Motor. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. This neutralizer is specially designed to keep the drain condensate away from the water heater. If the water doesnt flow, we recommend you increase the flow rate. 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. First off, make sure there is enough fuel in your gas tank. good stuff mate i have a rheem gas 871624pfj tankless it comes with code e 51 ,i turn unit off it clears error code and will work and stay working untill you stop using hot water then back to e51,cleaned filters ,still same any help pls. Reason: Remote Control Communication Fault. You can fix this problem by replacing the wiring connecting the remote control and PCB board. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? If you dont get this reading, you should replace the heat exchanger thermistor. Compare Now. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. listeners: [], Here are some steps you can take to troubleshoot and fix the problem: Remove the access panel from the front of the unit. 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. Please select accurately so we can provide you with the best service providers in your immediate vicinity. Also, we broke down the troubleshooting steps to clear the message. Error code 12 means your tankless water heater fails to detect the flame. How to use a diagnostic system to repair a faulty heater. Then, inspect the gas solenoid valves and make sure they work properly. Expert Tip: You should avoid electrolytic capacitors because its difficult to identify their polarities. need to install plumbing. If it has flipped off, flip it on. Ill also cover how to fix each problem to restore your heaters normalcy. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. There are over 30 codes possible on Rheem devices. Rheem's business is hot water, and they spend their days innovating and manufacturing water heaters to keep your life running smoothly. Lastly, ensure the igniter wire harness is intact. Also, turn the gas shut-off valve to stop the gas supply to the unit. Locate the reset button inside the control panel. If you find any, clean them out so that air can flow freely. Also, check that the vent terminal was installed properly on the device. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. As a basic inspection, start with verifying that there is water flow through the unit. It is a significant upgrade to the version that uses tanks and delays water supply till it's hot. Clogged condensate neutralizer. NOTE: Because these are potentially hazardous areas, dont attempt to fix a Code 11 unless you are a professional. The flow meter sensor is also referred to as a water temperature sensor. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Learn More. Summary of Contents for Rheem RTGH-RH10DV. Why Do You Feel Sticky After Swimming? 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. 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? Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. We installed our Rheem water heater Model, RHEPRO52-2, in May, 2004 and it's still going strong after 14+ years. You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. 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. See if there is anything blocking the air vent on the device. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. These two, if work out of order, can cause improper combustion inside the machine. 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. Transitional Design House Bathroom Vanities without Tops; Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. This error indicates that there is a problem with the water heaters combustion chamber. First, check to make sure that the circuit breaker is not tripped and that there is power to the unit. Reading through Rheemserror code guide, youll notice the description for each error code is quite specific. RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. Then, remove the front access panel. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. The most common reason is that the water heater is not getting enough gas or electricity to stay on. If you dont know how to detect the source of the problem, you can read this guide. Continue with Recommended Cookies. d. Remove outlet pipe bracket and ceramic heater plug. Turn off the power to the unit at the breaker box. It represents a water protection fault at the indoor unit. 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. We also break down how to clear those error codes from the display. So, lets get started right here. The flame rod wire should be connected and it should be free of any carbon build-up.