If its empty, dont forget to fill it with gas. A tankless water heater is a complicated device. Code 11 means that the ignition system has failed. However, if you are mechanically inclined, keep scrolling. Hi there, i am Eugene - an experienced HVAC / appliance technician. A jumper wire will help you confirm the remote control wiring problem. . This code indicates that the water heater is not able to properly heat the water. Man Tips! 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. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. From the bottom of the unit, take out two screws that hold the computer bracket in place. 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. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. Like other water heaters, the Rheem tankless water heater has a venting system. This neutralizer is specially designed to keep the drain condensate away from the water heater. Solution. However, both codes would only be displayed on a condensing tankless water heater. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. Rinnai fault code 11 - No ignition. 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. In general, here are some additional things to check in order as you evaluate the issue with your unit. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Rheem tankless water heater starts malfunctioning over time. After that, connect the water heater directly to an electrical output source and test a hot water source like a shower. Check to make sure the gas is turned on at the water heater, gas meter or tank. Heres what you can do: Code 12 signifies that the water heater does not detect a flame. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. The venting should also be adequately sealed and you may want it inspected by an expert. I have just updated this article as per your request. . Common symptoms, problems, and fixing tips. This is a complete guide on Rheem Tankless Water Heater Error Codes. Check to see that nothing is blocking the flue inlet exhaust or fan. 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. Among the common error codes is code 76, a sign of a problem with your water heater. Check the igniter itself to ensure it is working, including how it was wired to the device. We installed our Rheem water heater Model, RHEPRO52-2, in May, 2004 and it's still going strong after 14+ years. We turn unit off for 5 minutes and then turn back on each time C7 appears. 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. By understanding these simple codes, you can keep an eye on your Rheem tankless water heater and make sure its always operating properly. Loose connections may still result in the code 76 error. Water Heater Showing Yellow Light. Call the service if none of the steps taken above works. 3. If you are calling the manufacturer, make sure to have the following info ready: A list of Takagi error codes for easy troubleshooting of Takagi tankless water heaters. 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. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. Afterward, remove every speck of dirt, debris, and buildup from the air intake filter. If needed, replace it with a new one. Cause: The water heater and its burner doesn't get enough gas. 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. How do you clear the error code on a Rheem tankless water heater? Call the technician because the water heater is overheating. Reason: Current fault with the Blower Motor. Check the flame rod itself to see whether there are defects. The repair guide provides info on how to deal with the heating problems. The several inches of foam insulation give it up to 0.93 uniform energy factor. The water temperature on the remote control is set too high. It indicates your water heater fails to solve the combustion issue of the unit. It's best to encompass your troubleshooting to the first and second tricks, which are: Rechecking whether the exhaust venting and the air intake is working properly. If none of these measures works then call in a professional to replace the control board (also known as a PCB). First, check for any debris around the burner assembly and clean it off if necessary. Do note that solving each code will require a comprehensive understanding of the technical details of a tankless water heater. If you encounter an code, it will be displayed on your Rheems digital thermostat display. Resetting your tankless water heater will help you clear the error code from the control panel. 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. I followed the instructions to descale using. 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. You can fix this problem by replacing the wiring connecting the remote control and PCB board. Troubleshooting for a switch malfunction could mean turning it off and on again by forcing a reset on the control board, all you need to do for that is press the MIN and MAX button. Close the hot water tap and turn OFF the remote. Performing regular maintenance can also save you from having to solve any problems from occurring in the first place such as cleaning the filters, the air fan, and the heat exchanger fins. It indicates a neutralizer drainage failure. The second trick is to check for any blockage in the exhaust venting. The wiring may become loose or corroded over time, hindering communication between your remote control and the water heater. 4. Then, turn on the water heater again, which will reset the heater. 2. Find the most common problems and see how to fix issues. If needed, clean the inside of this motor. Code 01: This indicates that the water heater is in standby mode and is not currently heating water. The most typical problem with a water heater tends to be a water leak which can be common due to how many components come in contact with water. Join our exclusive 2,500+ email list to get tailored advice, product roundups, and be the first to see our new content. Try resetting the device, and if that doesnt fix the issue, its best to have a professional address the situation. Ensure you eliminate every obstruction from the vent termination of the building and the flapper valve. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. And thank you for mentioning your issues. Filter FAQs by Category. Turn off the power to the water heater for 10 seconds and then back on. As always, your best resource is your owners manual since it'll have the specific information you need for your model. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. 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. And lastly, check out the burner manifold pressure. Also, check that the vent terminal was installed properly on the device. Why Does My Stiebel Eltron Tempra High-limit Switch Keep Tripping? Check the air filter. 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]. The first thing you should do is check the filter and clean it if necessary. The water shutoff valve and hot water tap need to be fully open. A tankless water heater can be a great addition to your home. However, like any appliance, they can sometimes experience problems. Once confirmed, replace the faulty ignitor coil. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. If you have a Rheem tankless water heater, you may have received a code 76 error. How to troubleshoot Rinnai water heaters successfully using Rinnai error codes guide. Solution: Make sure that the gas shutoff valve provides enough gas to the main gas burner, and there is no obstacle. 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 11. ); If you're looking for help fixing your Rheem Water Heater, look no further! First off, make sure there is enough fuel in your gas tank. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. . Check to see if the breaker has been reset. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. I am glad to help. Then, remove the front access panel. Begin with slowing down the flow rate of your water heater. Check the pressure and adjust it accordingly. How to use a diagnostic system to repair a faulty heater. Code 04: Another error code, this time indicating a problem with the venting system. It represents a water protection fault at the indoor unit. Alternatively, you can test each potential error and devise a suitable solution. After cleaning the inlet filter, run the hot water only in the tap to check. Visit Document Next, check the igniter to see if it needs to be replaced. You can also try shutting off the water and then disconnect the remote control. 5. 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. 2. A lower or higher value indicates a faulty capacitor. The button must be held down for 3 full seconds in order for the reset to occur properly. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. 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. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. Nov 16, 2014 Rheem Tankless Hot Water Heater Rtg-74pvp-2 7.4 Gpm Inspect the gas valve wiring harnesses for loose or damaged terminals2. However, before you do that, confirm that the blower motor is turning freely as it may still operate with a small restriction. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it. 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. Bath. If the heat exchange fins get clogged, release the blockage. Remove the access panel from the front of the unit. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Check to make sure all gas connections are tight and there are no leaks. The blower motor and flame rod FL-25 should also be checked. 13 Common Rheem Tankless Water Heater Error Codes, 11. Otherwise, you should replace the water flow sensor. One such problem is the H103 error code. Reason: Poor/Improper Combustion due to the flame rod. Also, make sure that there are no plumbing or technical problems such as crossovers. Tank sizes range from 15 gallons to 105 gallons to fit any household need. We and our partners use cookies to Store and/or access information on a device. Call for service when your unit is showing this code. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. If they are then you may want to contact a specialist to take a look. The water heater will trigger the error code E5 if there is too much water flow. We recommend you check the heat exchanger fins first for blockage. Tilt down the computer board, which will reveal the blower motor. Thats all there is to it! It may be the case that both the fan motor and the control board need to be replaced. What causes water hammer in a house and what makes pipes to vibrate and make banging, ticking and popping sound? If you dont get this reading, you should replace the heat exchanger thermistor. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. Before they arrive, you can check that the gas valves are all open with gas actually reaching the unit properly. 1. Err07, 08, 09 - RHW42 model only, this indicated a problem with the water shutoff valve. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. 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. there's a good chance that a change or two have taken place. 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. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. Problems with the combustion can also be caused by the flame rod though this should only display on an indoor Rheem tankless water heater system. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. Some simple issues can result in the water flow being low and you should be able to solve them yourself. As a basic inspection, start with verifying that there is water flow through the unit. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. 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. If using propane gas, make sure that the propane tank has enough gas. This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. Err01/Err03 - Control Board not receiving signal from switch, or motor is malfunctioning. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. But this task requires a lot of elbow grease. Try plugging the unit into a different outlet. There may also be foreign material or obstructions in the burner chamber so check that there are no blockages for the flame at the flame rod (or rods). Check the gas pressure; it might be too low, or the gas valve is not fully open. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. After you see a code on a tankless water heater, a common first step is to reset the device. Therefore, our top advice is that you contact a professional plumber when you see an error code. Unplug the unit from the power outlet on the wall. To learn more about error code 14, read this in-depth guide. Remove the panel cover and locate the reset button behind the insulation. Watch the following tutorial to learn how to replace the water flow sensor. The flame rod wire should be connected and it should be free of any carbon build-up. If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. 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. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. 2. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. If the unit comes on, the wiring of your remote control is at fault. 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. There may also be blockages in the heat exchanger which should be removed. There are a few things that could be causing this problem. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). Start with inspecting the remote control. The gas solenoid valves should also be in decent condition though they may be open or have short-circuited. Checking the main burner and cleaning it will also worth it. Check the air intake and exhaust venting. Err05 - Control Board is not accepting signal from switch. Check the venting on the device for any blockage and clear as necessary. The most common code is E1, which indicates that there is a problem with the heating element. Learn More. Dont forget to release the blockage if needed. If the problem persists, call a qualified technician for service. Rheem tankless water heaters provide water on demand. 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. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. In this guide, we will look at where you can find the most current information for your Rheem tankless water heater and look at the error codes (see also AO Smith Tankless Error Codes: Problems And Troubleshooting) in detail. Please select accurately so we can provide you with the best service providers in your immediate vicinity. If its incorrect, you should adjust it. Lets get started! How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Each refers to a technical component of the tankless water heater and a specific description of the issue. Code 03: An error code that indicates there is a problem with the gas supply to the unit. LPG users check Propane bottle level. Error code 12 means your tankless water heater fails to detect the flame. 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. Protect Your Home u0003With Mobile Leak Alerts. When there is any problem with the unit, it will pop up an error code on the display. Flame failure during operation. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Get FREE quotes from licensed Plumbers in your area today. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. These two, if work out of order, can cause improper combustion inside the machine. Error Code E2: This code means that the temperature of the incoming water is too low. 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. 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. The alarm sounds every 60 seconds when the tap is open. For instance, the exhaust cannot be recirculated back into the units fresh air intake. 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. The minimum temperature for most tankless units is around 55 degrees Fahrenheit. When this error code will pop up, understand there is no ignition on your tankless water heater. 4. Code 1L indicates that there is a limescale build-up in the unit. It will usually be red or black, and may be labeled "reset.". Explore More on homedepot.com. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. 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. Next, access maintenance information to determine the flow rate. (24 hours) C read more Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. 14. Double-check that the exhaust venting and air intake are both installed properly and look to be in good working order. Rheem tankless water heaters are great for providing hot water on demand. If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. An example of data being processed may be a unique identifier stored in a cookie. If there are none, check the exhaust and inlet flue for any blockages. Remove electrical connection box (single screw on outside left). [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). Check both of these things and make sure they are clear before resetting the unit again. See if there is anything blocking the air vent on the device. A communication error with the remote control can result in error code 76. Also, inspect the flame rod electrodes and clean them. A yellow pilot light means that the pilot is not . Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. Ensure the connections to the circuit board are secure. From this chapter, you can learn about the most common error codes the tankless water heater shows. The average water heater flood claim is $4,440 1. 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. This can be due to a problem with your homes wiring or plumbing, or it could be an issue with the gas line itself. See an examplehow to descale a Bosch tankless heater. This is another fault that you may want to check with a professional. During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape.

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