For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. Common symptoms, problems, and fixing tips. Quantity Add To Cart. Besides, your water heater will throw the error code P1 if the water flow sensor goes bad. Call the technician. See how to troubleshoot the flame failure, not enough, no hot water . Thanks.Rheem Model RTG 84DVLP. 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 . Next, check the incoming water pressure to make sure it is within . Cycle your water heater two times by turning off- then turn on- at 10 seconds intervals. If the water pressure is low, the water heater is making strange noises, and keeps on coming up with a variety of error codes then it may be time to replace it. Begin with cleaning the air inlet filter. We broke down everything that will help eliminate the error message from the control panel. Doing this will ensure that theres enough oxygen for proper combustion. LPG users check Propane bottle level. When you witness a problem with your Rheem tankless water heater, be sure to relate to the companion over. I followed the instructions to descale using. Reason: Remote Control Communication Fault. E5 on a Rheem Tankless Water Heater means there is a high flow rate. forms: { 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. In this case, you must replace the gas control assembly. 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. 3. Reason: Insufficient Heat Exchanger Temperature. Rheem tankless water heaters are great for providing hot water on demand. 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. With a full line of Rheem . We also break down how to clear those error codes from the display. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. Resetting your tankless water heater will help you clear the error code from the control panel. . Compare Now. Now, try to turn on your water heater using the remote control. Afterward, take out these two screws from the top of the computer board. Check out advanced features for eco-friendly and cost-effective water heating. First off, turn the unit off at the remote controller or at the circuit breaker. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. But this task requires a lot of elbow grease. Turn off the power to the unit at the breaker box. To reset the water heater, turn off the hot tap water and the unit itself. You must use an authentic Rheem tankless water heater replacement capacitor for efficient operation. There are further elements that you can check including that the inlet water supply filter is clean. Check to see if the breaker has been reset. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. Try connecting the remote control to the remote connection directly which is at the bottom of the water heater, though the cable may be the problem and could be replaced. A new remote control should facilitate communication and solve the Rheem code 76 error. I have just updated this article as per your request. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. Reason: Too High Outlet Water Temperature. In this case, check the followings: 1. Next, check the igniter to see if it needs to be replaced. If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. There are a few things that could be causing this problem. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. 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? And lastly, check out the burner manifold pressure. However, Its essential to use an authentic Rheem replacement remote control for proper functioning. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. If your Rheem tankless water heater is displaying the P1 code, it means that the unit is not receiving enough power. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. To resolve this false flame issue, start by resetting the unit. Double-check that the exhaust venting and air intake are both installed properly and look to be in good working order. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . If it gets tripped, you can simply reset the unit. 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. NOTE: Because these are potentially hazardous areas, dont attempt to fix a Code 11 unless you are a professional. If you suspect either of these issues, contact a qualified technician for service. Increase the temperature on the remote if it is set too low. Receiving error code 61 -Faulty Blower Motor. From this chapter, you can learn about the most common error codes the tankless water heater shows. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Filter FAQs by Category. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. Just release blockage from those components to get the ODS thermocouple back in the working condition. Then, locate the two terminals connected with the remote control. If you dont get the appropriate voltage reading (8 to 16 VDC), you should replace the water control assembly. Error Code E3: This code indicates that the temperature of the outgoing hot water is too high. 2. Understanding Noritz error codes and troubleshooting Noritz water heaters. Water flow is too low, or the shutoff valve is not fully open. The average water heater flood claim is $4,440 1. Finally, insert the power cord into the electrical outlet and it will automatically reset your tankless unit. We installed our Rheem water heater Model, RHEPRO52-2, in May, 2004 and it's still going strong after 14+ years. (24 hours) C read more If the problem persists, call a qualified technician for service. Also, we broke down the troubleshooting steps to clear the message. 1. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. 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. Solution: You must descale the water heater. Copyright. listeners: [], Lets get started! Take a look at the combustion chamber. Reason: Poor/Improper Combustion due to the flame rod. Before you make a service call, this is a good time to check the thermistor wiring for any damage or the thermistor for a limescale build-up. 1. The first thing you should check is the water pressure coming into your home. In the rest of this article, Ill discuss the causes of Rheem tankless water heater code 76. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. 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. 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. 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. After you see a code on a tankless water heater, a common first step is to reset the device. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours. 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. First off, make sure there is enough fuel in your gas tank. window.mc4wp = window.mc4wp || { Cause: The gas shutoff valve is not open completely. The inlet water pressure may be too low. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. 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. Then, leave your water heater for 30 seconds in state of disconnected from the power source. It will usually be red or black, and may be labeled "reset.". Why Does My Stiebel Eltron Tempra High-limit Switch Keep Tripping? Any help you could provide or resource you can point me to would be greatly appreciated. Flame failure during operation. 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. 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. Thats all there is to it! Several reasons are responsible for the heater to throw this error message. To check the remote control, unplug your water heater from electricity and pull out its cover. We recommend you check the heat exchanger fins first for blockage. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. If your water heater comes on, we bet the culprit is the remote control itself or the wiring between the remote control and the tankless unit. . The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your tankless water heater. But like any other piece of technology, they develop faults. Among the common error codes is code 76, a sign of a problem with your water heater. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. Close the hot water tap and turn OFF the remote. The top-selling product within Rheem Tankless Water Heaters is the Rheem Performance Platinum 11 GPM Natural Gas High Efficiency Indoor Recirculating Tankless Water Heater. Err04 - Receiving signal from switch, but at incorrect time. 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. Required fields are marked *. started. Secondly, inspect the exhaust vent or air intake pipe for a clog. 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. there's a good chance that a change or two have taken place. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Another possibility is that the water heaters thermostat is set too low and needs to be adjusted. 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. In that article, we described everything that causes your water heater to trigger the error message 12. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. So, lets get started right here. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. 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. If the problem persists, call a qualified technician for service. Find the most common problems and see how to fix issues. Unplug the unit from the power outlet on the wall. Consequently, this affects the communication between your remote control and the water heater. The most common code is E1, which indicates that there is a problem with the heating element. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. There are a few possible causes of this problem: Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. Otherwise, you need to change the PCB. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. [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). Explore More on homedepot.com. What Is The Most Common Problem Associated With A Water Heater? The button must be held down for 3 full seconds in order for the reset to occur properly. However, if you are mechanically inclined, keep scrolling. Am I right? Head to the electric panel and locate the water heater circuit. Again, there should be no obstructions to the airflow and the vent terminal should be clear. For instance, the exhaust cannot be recirculated back into the units fresh air intake. 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. 1. Shows hot to verify blue flame by removing panel cover. Check the gas pressure; it might be too low, or the gas valve is not fully open. 14. The minimum temperature for most tankless units is around 55 degrees Fahrenheit. Rinnai fault code 10 - Air supply or exhaust blockage. Solutions include replacing the remote controls wiring, changing the remote control, or changing the capacitor. Heres what you can do: Code 12 signifies that the water heater does not detect a flame. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. d. Remove outlet pipe bracket and ceramic heater plug. 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. Otherwise, you should replace the remote control with a new one. To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. Replacing the control board is the only solution to fix this water heater issue. 4. 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. Next, you need to remove some wires that come in the way like the blower motor wire, flame rod wire connectors, over wrap film plug, and others. Transitional Design House Bathroom Vanities without Tops; The specific codes might also differ slightly depending on your specific model of Rheem. 2. Also how to clean the inlet water filter. In this guide, we will describe the common error codes this tankless water heater displays. local codes.The water heater requires 120 VAC/60Hz Visit Document Water flow is below the minimum required. There are a few things that could be causing this problem. If you dont get this reading, you should replace the heat exchanger thermistor. It will usually be red or black, and may be labeled reset. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. Rheem tankless water heater error codes result from defects. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. Replace the combination gas control (thermostat). 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. The Rheem tankless water heater allows you to access instant hot water. 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. Reason: The Control Board is not programmed. This error indicates that there is a problem with the water heaters combustion chamber. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. This indicates that the unit is not receiving enough power to operate correctly. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. Before you make a service call for error code 51, check for any loose/damaged terminals on the wiring harness for the gas control valve. See if the fins on the heat exchanger are dirty and clean as necessary. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. Most tankless water heaters are operated by natural or LP gas. Contractor or business name who did the installation and service. c. Remove one ceramic heater plug. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. As always, your best resource is your owners manual since it'll have the specific information you need for your model. . If your water heater is in a cold basement or garage, it may not reach this temperature unless you use a recirculating pump to bring warmer water from elsewhere in your home. 10 Common Reasons. Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. 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. Locate the reset button inside the control panel. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. I am glad to help. 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. This is a complete guide on Rheem Tankless Water Heater Error Codes. Loose remote control wiring or the remote control itself gets defective. There are a few possible causes for this problem. Check the igniter itself to ensure it is working, including how it was wired to the device. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. Part # 683034. . You can also try shutting off the water and then disconnect the remote control. The voltage should be 8 to 16 VDC. 1. on: function(evt, cb) { If needed, clean the inside of this motor. event : evt, 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. The circuit breaker for the unit may have tripped. Check for an operational igniter and for any damage to the igniter wiring harness. Locate the reset button on the control board inside the unit. Also, check that the vent terminal was installed properly on the device. Step 1 and 3 plus b. Learn More. callback: cb Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. 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. 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. Turn off the power to the water heater for 10 seconds and then back on. Water Heating. Therefore, our top advice is that you contact a professional plumber when you see an error code. Locate the reset button inside the control panel. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. Inspect the venting system for any blockages. Next, disconnect the wiring from the remote control and plug your water heater into an outlet. Also, this warning message indicates that the unit has detected a false flame. You may need to ensure that the inlet valve is completely open and there are no obstructions to the cold water inlet pipe. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. On the other hand, if you can't turn on the unit, we bet the remote control gets defective. If its too low, the unit wont work properly. To erase the error code 13, start with cleaning the dirty flame rods. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. 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. Your email address will not be published. Reason: Air Intake Filter Switch Malfunction. This code indicates that the unit is not getting enough water flow. Consequently, this affects the communication between your remote control and the water heater. Like other water heaters, the Rheem tankless water heater has a venting system. 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. . The gas pressure to your water heater should range between 1.2- 3.5Kpa. 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. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Why Do You Feel Sticky After Swimming? Reason: Continuous combustion lasting an entire hour. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. 3. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. However, these quick fixes will notalways fix your problem. 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. Knowing what each error code means can save you from having to make a service call and can give you peace of mind about how serious, or not so serious, the problem is. 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? If you can solve a problem or a fault without having to make a service call then, not only will you learn more about how the water heater works, but you will likely save yourself some money. Have a different tankless water heater brand that needs troubleshooting? In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. You can also check that the ohms are correct though your sensor may need to be replaced. Begin with slowing down the flow rate of your water heater. A lower or higher value indicates a faulty capacitor. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. 13 Common Rheem Tankless Water Heater Error Codes, 11. What does E4 mean on a Rheem tankless water heater? You should also check that the fan motor looks to be working properly. Each refers to a technical component of the tankless water heater and a specific description of the issue. If you dont know how to detect the source of the problem, you can read this guide. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure.