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. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it. . I was told to check the flue, gas, is it plugged in, who installed it. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. Turn off the power to the unit at the breaker box. You should consult with a licensed professional and check local permit requirements before starting any project. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. Finally, ensure the Molex connector is in good condition. Your email address will not be published. Read reviews and complaints about Rheem Water Heaters, detailing commercial services, tankless heaters and more. There are a few things that could be causing this problem. So, keep reading. To erase the error code 13, start with cleaning the dirty flame rods. See the symptoms of How to fix water hammer problem in pipes. So, I highly recommend you to call a professional to handle this. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. Summary of Contents for Rheem RTGH-RH10DV. Afterward, measure the voltage of the wiring between the water control and the connector B. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. Water Heater Showing Yellow Light. 5. To check the remote control, unplug your water heater from electricity and pull out its cover. 3. listeners: [], Solutions include replacing the remote controls wiring, changing the remote control, or changing the capacitor. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. You can confirm if the filters capacitor is at fault by checking the water heaters control board. (function() { If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. Understanding Noritz error codes and troubleshooting Noritz water heaters. After you see a code on a tankless water heater, a common first step is to reset the device. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. If you are having trouble with your Rheem water heater, it is best to consult the owners manual for troubleshooting tips, or to contact a qualified technician for assistance. If you have a Rheem tankless water heater, you may have received a code 13 error. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. How to use a diagnostic system to repair a faulty heater. The repair guide provides info on how to deal with the heating problems. This neutralizer is specially designed to keep the drain condensate away from the water heater. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. However, these quick fixes will notalways fix your problem. 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. However, before you do that, confirm that the blower motor is turning freely as it may still operate with a small restriction. The flow meter sensor is also referred to as a water temperature sensor. 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. As always, your best resource is your owners manual since it'll have the specific information you need for your model. The second trick is to check for any blockage in the exhaust venting. We recommend you check the heat exchanger fins first for blockage. The fan motor should also have the right voltage and may be water damaged due to condensation. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. You can also check that the ohms are correct though your sensor may need to be replaced. Take the time to remove any obstructions from the venting as well as where the vent terminates outside. on: function(evt, cb) { It will usually be red or black, and may be labeled "reset.". If your water heater is old then you may want to pay more attention to the warning signs that it may be failing. Remove the access panel from the front of the unit. Solution: First, ensure that the water heater's circuit breaker in the service panel hasn't tripped. There may also be blockages in the heat exchanger which should be removed. See if the air inlet screen is dirty and clean as necessary. Next, check the incoming water pressure to make sure it is within . Code 01: This indicates that the water heater is in standby mode and is not currently heating water. Replacing the control board is the only solution to fix this water heater issue. Replace the panel cover. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. The pilot light for the gas heater is blue; if it isn't, then probably there is an issue. Then, remove the front access panel. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Tilt down the computer board, which will reveal the blower motor. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. The voltage should be 8 to 16 VDC. Never had a problem or leak. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. 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. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. local codes.The water heater requires 120 VAC/60Hz Visit Document Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. 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. Remove electrical connection box (single screw on outside left). 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. Hotwatertalk.com is a participant in the Amazon Services LLC Associates Program and other affiliate advertising programs, designed to provide a means for us to earn fees by linking to the affiliated sites. 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. Continue with Recommended Cookies. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. 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. Try plugging the unit into a different outlet. . Then, leave your water heater for 30 seconds in state of disconnected from the power source. Call the technician. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. What does E5 mean on my Rheem tankless water heater? In this guide, we will describe the common error codes this tankless water heater displays. Locate the reset button on the control board inside the unit. If done correctly, you should hear a click when you release the button. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. Below, we will show you how to fix those issues to clear away the error message. 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. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. If its too low, the unit wont work properly. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. If you have a Rheem tankless water heater, you may have received a code 76 error. The several inches of foam insulation give it up to 0.93 uniform energy factor. If you encounter an code, it will be displayed on your Rheems digital thermostat display. If you have a Rheem tankless water heater, you may be wondering what all the codes on the control panel mean. The minimum flow rate should also be met to make sure that the tankless water heater fires. If you are still having trouble after trying these steps, then you may need to call a professional for help. Hi Folks, I just thought I would share with you a way to reset your Rheem Paloma WaiWela tankless heater after a descaling procedure. Often, understanding how to rectify each error code requires an understanding of how the device works as a whole and how each part works together. Have a Rheem RTG 74 DVP 1 tankless water heater that showed code C8 first and now shows C7 about every 24 hours. 14. This error is preventable by descaling the water heater on at least once a year. No spam, we promise. 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. Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. ); On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. Increase the temperature on the remote if it is set too low. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. Code 03: An error code that indicates there is a problem with the gas supply to the unit. Reading through Rheemserror code guide, youll notice the description for each error code is quite specific. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. Now, remove the three side screws of the blower motor and take out the blower motor. And thank you for mentioning your issues. Replacing the remote control may solve the code 76 issue and restore communication between the two components. Increase the flow. Turn on the power to the unit at the breaker box, and wait a few minutes for it to heat up before using it again. })(); Anthony Barnes is the founder of Water Heater Hub and a second-generation plumber by profession. 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. Simple. If the water heater comes on, then the remote controls wiring is at fault. All LED lit (1,2,3,A,B,C) This indicates there is a problem with the internal circuit. Check to see that nothing is blocking the flue inlet exhaust or fan. We also broke down what you should do if the capacitor gets faulty. 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. See an examplehow to descale a Bosch tankless heater. Cause: The gas shutoff valve is not open completely. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). My condensing tankless unit has been in service now for about 9 months and I recently got the "1L" code to descale. need to install plumbing. The Marathon is a special water heater that has a seamless blow molded polybutene inner tank. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. Remove any obstructions and try again. Reason: Continuous combustion lasting an entire hour. Consult the guide and see whether you have a grasp on the problem indicated by the code. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. Before you try anything else, reset your Rheem water heater. 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. Just release blockage from those components to get the ODS thermocouple back in the working condition. The error code c7 stands for a defective communication between the remote control and the tankless unit. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. From the bottom of the unit, take out two screws that hold the computer bracket in place. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. A similar problem can be the outlet water temperature being beyond the remote thermostat setting. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. 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. See if there is anything blocking the air vent on the device. Use a paperclip or similar object to press and hold the reset button for 3 seconds, then release it. Here are some steps you can take to troubleshoot and fix the problem: Required fields are marked *. Protect Your Home u0003With Mobile Leak Alerts. You may need to ensure that the inlet valve is completely open and there are no obstructions to the cold water inlet pipe. If the problem persists, call a qualified technician for service. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. Heres what you can do: Code 12 signifies that the water heater does not detect a flame. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. In most cases, however, this problem can be easily fixed by following the troubleshooting steps above. Err04 - Receiving signal from switch, but at incorrect time. c. Remove one ceramic heater plug. If not, continue reading. Error Code E1: This code indicates that there is insufficient water flow to the unit. Contractor or business name who did the installation and service. And lastly, check out the burner manifold pressure. In general, here are some additional things to check in order as you evaluate the issue with your unit. Error Code E2: This code means that the temperature of the incoming water is too low. 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. 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? ). Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. An error code 90 typically indicates that there are blockages in the heat exchanger or blower motor. Code 1L indicates that there is a limescale build-up in the unit. First, make sure that the gas supply to the unit is turned on and that there is enough pressure. Dont forget to release the blockage if needed. . Pipe dope may also cause a blockage inside the water flow control turbine. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Check the air intake and exhaust venting. Finally, check for blockages in the inlet filter and combustion fan. 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. 11. Before testing a hot water source, you must ensure that all connections are properly secured. We broke down everything that will help eliminate the error message from the control panel. If its dirty, replace it with a new one. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. This error indicates that there is a problem with the water heaters combustion chamber. These two, if work out of order, can cause improper combustion inside the machine. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. Attach the remote control to the tankless unit with a different wire. A tankless water heater can be a great addition to your home. It is also known as flue or chimney, which expels exhaust gasses out of the house. If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. If using propane gas, make sure that the propane tank has enough gas. Receiving error code 61 -Faulty Blower Motor. 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 ). 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. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. Call for service when your unit is showing this code. Each refers to a technical component of the tankless water heater and a specific description of the issue. window.mc4wp.listeners.push( First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. 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. The water shutoff valve and hot water tap need to be fully open. The water temperature on the remote control is set too high. 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. First off, make sure there is enough fuel in your gas tank. Also, check that the vent terminal was installed properly on the device. Next, inspect the ODS thermocouple to see whether it functions properly or not. 2. When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. See if the fins on the heat exchanger are dirty and clean as necessary. If its empty, dont forget to fill it with gas. That being said, customers have reported a much higher frequency of certain codes, which well cover here. With Installation Instructions For The Installer Direct Vent Tankless Water Heater D E SIG N C E Paloma: PH-28 (R,C)DVS(N,P) Paloma: PTG-74DV(N,P) Rheem: RTG-74DV(N,P) Richmond RMTG-74DV(N,P) Rheem/Ruud: GT-199DV-(N,P) 1.Safety Information Safety Precautions. Often, resetting the gas water heater allows the device to calibrate itself properly, and then the problem will fix itself. Our prices verses the exact same model at Homedepot.ca . Rheem tankless water heaters are great for providing hot water on demand. Over heating. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. Once you clean or change the blower motor, follow the steps in reverse to reinstall the blower motor. The disk capacitor across the remote control terminal should range from 7.5 to 10 microfarads. callback: cb Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. started. 3. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. How to use diagnostic system and fix the problems using the error codes that appear on the remote controller. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. Watch the following tutorial to learn how to replace the water flow sensor. } Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Reviewing ultra efficient Navien water heaters utilizing condensing and tankless technology. This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. Code 02: This means that the water heater is actively heating water. All Plumbers are screened, licensed, and insured. If your Rheem water heater is flashing white light, it shows that your pilot light is out and the water will still be cold. If you dont get this reading, you should replace the heat exchanger thermistor. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. I followed the instructions to descale using. But like any other piece of technology, they develop faults. Turn off you recirculation pump if your unit is connected to one. If your Rheem electric tankless water heater needs to be reset, follow these steps: Lastly, check the fan motor for proper operation. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. If the problem persists, call a qualified technician for service. However, there is also another meaning of the error code 29. Check to make sure all gas connections are tight and there are no leaks. Manage Settings So, follow the troubleshooting steps we mentioned to clear the error message. When this process is completed, your water will be murky, because of the limescale that has been removed. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Your Rheem Water Heater will pop up this warning message due to the following reasons: Addressing and fixing those issues we mentioned will help you eliminate the error code from the display of the unit. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. I am glad to help. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. If none of these measures works then call in a professional to replace the control board (also known as a PCB). This number indicates the you are dealing with. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. Part # 683034. In plain words, the water heater error code 13 stands for a defective combustion system. The first thing you should check is the water pressure coming into your home. However, even the best tankless water heaters sooner or later may stop working or be affected by other Most tankless water heaters are operated by natural or LP gas. Again, check for leaks and blockages and ensure all connections are tight. You should also check that the fan motor looks to be working properly. 1. Check that the vents are connected properly with no obstructions, the correct materials should have been used for the installation. In this case, check the followings: 1. The button must be held down for 3 full seconds in order for the reset to occur properly. There could also be loose or damaged connections on the wiring harness for the gas control valve which could set off error code 71. Otherwise, you should replace the water flow sensor. Should you have a circulation pump installed, you can also turn that off or even remove it. A new remote control should facilitate communication and solve the Rheem code 76 error. Once confirmed, replace the faulty ignitor coil. Turn off the power to the water heater for 10 seconds and then back on. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. This indicates that the unit is not receiving enough power to operate correctly. 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. Another possibility is that the water heaters thermostat is set too low and needs to be adjusted. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. 2. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. 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. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. Check both of these things and make sure they are clear before resetting the unit again. Call the technician because the water heater is overheating. 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. { Next, check the igniter to see if it needs to be replaced. Check out advanced features for eco-friendly and cost-effective water heating. 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. I have installed many tank & tankless water heaters as I am a plumber. 4. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor.