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The cookie is used to store the user consent for the cookies in the category "Analytics". Compare Now. The Rheem tankless water heater allows you to access instant hot water. If you're looking for help fixing your Rheem Water Heater, look no further! The most common cause of this problem is a build-up of soot or debris in the combustion chamber. Rheem's business is hot water, and they spend their days innovating and manufacturing water heaters to keep your life running smoothly. A communication error with the remote control can result in error code 76. 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. Over heating. Increase the flow. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. . If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. We also broke down what you should do if the capacitor gets faulty. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. Rinnai fault code 11 - No ignition. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. If the issue persists, it could be due to a clogged filter or sediment buildup in the unit. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. Tilt down the computer board, which will reveal the blower motor. If its dirty, replace it with a new one. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. 3. The circuit breaker for the unit may have tripped. 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. Get FREE quotes from licensed Plumbers in your area today. The first thing you should check is the water pressure coming into your home. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. The water heater will trigger the error code E5 if there is too much water flow. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. In that article, we described everything that causes your water heater to trigger the error message 12. Find the most common problems and see how to fix issues. Err04 - Receiving signal from switch, but at incorrect time. Reason: Air Intake Filter Switch Malfunction. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. Simple. 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. You could try to inspect the heat exchanger thermistor or flush the unit and remove any build-up of limescale (see also What Is Limescale? ). Lastly, check the fan motor for proper operation. Technicial Manual SVC810 Second GenerationPV, X and DV, RTG2-42, RTG53, RTG66 and RTG74.pdf. 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. If you encounter an code, it will be displayed on your Rheems digital thermostat display. Transitional Design House Bathroom Vanities without Tops; The gas pressure to your water heater should range between 1.2- 3.5Kpa. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. Remove the access panel from the front of the unit. When this process is completed, your water will be murky, because of the limescale that has been removed. 10 Best Tankless Water Heaters. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. 4. No spam, we promise. One such problem is the H103 error code. A jumper wire will help you confirm the remote control wiring problem. If checking that the fan blade is tightly fitted on the motor shaft and spinning freely does not work then you may want to replace the sensor. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. 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. If you dont get this reading, you should replace the heat exchanger thermistor. 4. Understanding Noritz error codes and troubleshooting Noritz water heaters. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. 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 What Is The Most Common Problem Associated With A Water Heater? Then, inspect the heat exchanger fins for a clog and release the buildup. The disk capacitor across the remote control terminal should range from 7.5 to 10 microfarads. If its incorrect, you should adjust it. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. After you see a code on a tankless water heater, a common first step is to reset the device. A new remote control should facilitate communication and solve the Rheem code 76 error. See if the air inlet screen is dirty and clean as necessary. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. Call the technician. Next, check the igniter to see if it needs to be replaced. Do note that solving each code will require a comprehensive understanding of the technical details of a tankless water heater. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. 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. Rheem tankless water heater starts malfunctioning over time. 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. 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. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. . Quick View. Shows hot to verify blue flame by removing panel cover. Check the air intake and exhaust venting. This can be caused by a number of things, including a clogged filter or a problem with the water supply line. Consequently, this affects the communication between your remote control and the water heater. If needed, clean the inside of this motor. We turn unit off for 5 minutes and then turn back on each time C7 appears. On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. 3. When you have a problem . I have just updated this article as per your request. Resetting a Rheem Tankless Water Heater: Ultimate Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Manage Settings Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. Check to see that nothing is blocking the flue inlet exhaust or fan. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. However, these quick fixes will notalways fix your problem. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. If the heater functions well, then there is an issue with the remote control. The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. What Size Heat Pump Do I Need for 2000sq ft Home. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. 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. The minimum flow rate should also be met to make sure that the tankless water heater fires. Protect Your Home u0003With Mobile Leak Alerts. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. 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. Afterward, take out these two screws from the top of the computer board. Ensure the condensate flow is free of dirt, debris, and buildups. This code indicates that the unit is not getting enough water flow. . Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. Also how to clean the inlet water filter. Locate the reset button inside the control panel. Try plugging the unit into a different outlet. The consent submitted will only be used for data processing originating from this website. We and our partners use cookies to Store and/or access information on a device. We recommend you check for a broken wire or poor electrical connection. However, if you are mechanically inclined, keep scrolling. The flow meter sensor is also referred to as a water temperature sensor. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. When there is any problem with the unit, it will pop up an error code on the display. 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. 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. Once confirmed, replace the faulty ignitor coil. The repair guide provides info on how to deal with the heating problems. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. The first thing you should do is check the filter and clean it if necessary. From this chapter, you can learn about the most common error codes the tankless water heater shows. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. 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 . Again, check for leaks and blockages and ensure all connections are tight. Save my name, email, and website in this browser for the next time I comment. 5. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. Bath. Consult the guide and see whether you have a grasp on the problem indicated by the code. Err01/Err03 - Control Board not receiving signal from switch, or motor is malfunctioning. Before you do ask for extra help, find out what the error code means and you may be able to solve it without making a service call. 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. But like any other piece of technology, they develop faults. Reason: Current fault with the Blower Motor. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. } If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. If yes, clean the heat exchanger. Error Code E1: This code indicates that there is insufficient water flow to the unit. } And lastly, check out the burner manifold pressure. 13 Common Rheem Tankless Water Heater Error Codes, 11. If it has flipped off, flip it on. Replace the panel cover. Otherwise, you should replace the remote control with a new one. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. 3. Your email address will not be published. In general, here are some additional things to check in order as you evaluate the issue with your unit. A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. If nothing works for you, I suspect the PCB is the culprit. Rheem Water Heater Blinking White Light. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. IN STOCK. Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. Increase the temperature on the remote if it is set too low. The venting should also be adequately sealed and you may want it inspected by an expert. Am I right? Next, check the incoming water pressure to make sure it is within . Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. window.mc4wp = window.mc4wp || { Checking the main burner and cleaning it will also worth it. Now, try to turn on your water heater using the remote control. Rheem ECO-180 LP by: Efren This water heater started to be a problem, 6 months after I bought it. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. 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. 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. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. user-manual-Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Manual. From https://www.justanswer.com/ythiJustAnswer Customer from Chicago, Illinois: What does an error code on Rheem tankless water heater h103Pearl Wilson: Assi. If the remote control works, we bet the wiring is at fault. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours. In this guide, we will describe the common error codes this tankless water heater displays. Error Code 11indicates an ignition failure. Unfortunately, many things can cause an ignition failure. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. 3. d. Remove outlet pipe bracket and ceramic heater plug. Reason: Continuous combustion lasting an entire hour. Check the number 11 where I break down the error code 61. You may want to do a service call though you can check the wiring on the remote control yourself, specifically for any loose or damaged connections. Why is my Rheem tankless water heater beeping? [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). The flame rod wire should be connected and it should be free of any carbon build-up. Check the venting on the device for any blockage and clear as necessary. Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. 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. Err05 - Control Board is not accepting signal from switch. If that does not work then you could confirm that the tankless unit is correctly grounded. 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. The good news is that you can prevent most of these defects by taking good care of your water heater. You may also want to ensure that the altitude settings are correct for your location. Check the thermostat on the remote control; it might be set too low. The several inches of foam insulation give it up to 0.93 uniform energy factor. Check for an operational igniter and for any damage to the igniter wiring harness. To check the remote control, unplug your water heater from electricity and pull out its cover. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. 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. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. You can also check that the ohms are correct though your sensor may need to be replaced. These water heaters may help you qualify for insurance discounts 2. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. 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. 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. The error code 61 popping up on the LED display represents a faulty blower motor. You should consult with a licensed professional and check local permit requirements before starting any project. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Water Heater Showing Yellow Light. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. These steps will get fix the fault and restore your water heater back to working condition. 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. I have installed many tank & tankless water heaters as I am a plumber. If the fault is not so serious then you may be able to fix it yourself and get your water heated soon enough. 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. Copyright. . Top 661 Rheem Reviews Write A Review Required fields are marked *. To clear this fault, you will need a pump and two hoses. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. Close hot tap, cycle power on and off at GPO and open hot tap again. . To reset the water heater, turn off the hot tap water and the unit itself. Begin with slowing down the flow rate of your water heater. 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. We broke down everything that will help eliminate the error message from the control panel. 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. Explore More on homedepot.com. There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. there's a good chance that a change or two have taken place. I was told to check the flue, gas, is it plugged in, who installed it. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. It will usually be red or black, and may be labeled reset. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. RUR199iN - $2,900 - Nat Gas Compare at $3853 - SAVE $953; RUR199iP - $2,950 - Propane Compare at $3777 - SAVE $827 ; RU199iN - $2,600 - Nat Gas Compare at $3094 - SAVE $494 ; RU199iP - $2,600 - Propane Compare at $3033 - SAVE $433 In plain words, the water heater error code 13 stands for a defective combustion system. 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. Code 02: This means that the water heater is actively heating water. 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. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. In the rest of this article, Ill discuss the causes of Rheem tankless water heater code 76. Remove any obstructions and try again. E5 on a Rheem Tankless Water Heater means there is a high flow rate. You can only use an electrolytic capacitor if you know its polarity. I guess the PA error code is a air conditioner related fault code. How to troubleshoot Rinnai water heaters successfully using Rinnai error codes guide. A tankless water heater can be a great addition to your home. Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems.