Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. This error is preventable by descaling the water heater on at least once a year. Then, inspect the heat exchanger flapper valve and make it move freely at the vent connection of your water heater. The water heater will trigger the error code E5 if there is too much water flow. Lets get started! This error indicates that there is a problem with the water heaters combustion chamber. The Marathon is a special water heater that has a seamless blow molded polybutene inner tank. Remove the access panel from the front of the unit. 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. If its dirty, clean it out according to the instructions in your owners manual. LPG users check Propane bottle level. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. 2. This is another fault that you may want to check with a professional. Rheem is a trusted American appliance brand that is close to 100 years old. 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. Error code 65 may necessitate calling out a specialist yet you can check for a fault yourself. 3. Now, remove the three side screws of the blower motor and take out the blower motor. And thank you for mentioning your issues. There are certain steps you can take which include checking the high and low fire manifold pressures and that the right type of gas is used. Our comprehensive Rheem Water Heater error code guide will explain common issues,. It will be best to check the manual and use the fuel type recommended by the manufacturer. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. The wiring may become loose or corroded over time, hindering communication between your remote control and the water heater. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. 4. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. 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. Ensure that the vent pipes are connected to the vent termination and that the venting meets various requirements (such as lengths, diameter, the construction material). 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. The water temperature on the remote control is set too high. Check the igniter itself to ensure it is working, including how it was wired to the device. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. Afterward, take out these two screws from the top of the computer board. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911.37. need to install plumbing. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. In most cases, however, this problem can be easily fixed by following the troubleshooting steps above. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. Shows hot to verify blue flame by removing panel cover. Water flow is too low, or the shutoff valve is not fully open. Among the common error codes is code 76, a sign of a problem with your water heater. Read Details: Rheem Tankless Water Heater Code 29. So, I highly recommend you to call a professional to handle this. If needed, clean the inside of this motor. With a full line of Rheem . If you encounter an code, it will be displayed on your Rheems digital thermostat display. When I can see a flame but the code displayed is Code 10, the problem is that the flame sensor is malfunctioning. Also, this warning message indicates that the unit has detected a false flame. The inlet water pressure may be too low. If you have a tankless water heater in your home, you may How Much Propane Does A Tankless Water Heater Use, Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price), Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide), Best electric tankless water heater for rv. First off, make sure there is enough fuel in your gas tank. Man Tips! 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. This code indicates that the unit is not getting enough water flow. The good news is that you can prevent most of these defects by taking good care of your water heater. Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. The blower motor and flame rod FL-25 should also be checked. If that does not work then you could confirm that the tankless unit is correctly grounded. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. If its incorrect, you should adjust it. Checking the main burner and cleaning it will also worth it. 13 Common Rheem Tankless Water Heater Error Codes, 11. Error Code E4: This code signals that there is a problem with ignition or flame detection. A lower or higher value indicates a faulty capacitor. 5. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Every water heater venting system uses a duct or pipe. Otherwise, you should replace the water flow sensor. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. No spam, we promise. Simple. This can be due to a problem with your homes wiring or plumbing, or it could be an issue with the gas line itself. 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. 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 . 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. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. Also, turn the gas shut-off valve to stop the gas supply to the unit. window.mc4wp = window.mc4wp || { But like any other piece of technology, they develop faults. It will likely be red and/or have a picture of a triangle with an exclamation point next to it. See the symptoms of How to fix water hammer problem in pipes. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. Try plugging the unit into a different outlet. Code 1L indicates that there is a limescale build-up in the unit. Like other water heaters, the Rheem tankless water heater has a venting system. There are a few things that could be causing this problem. If the problem persists, call a qualified technician for service. 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. 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. Understanding the symptoms to look for will make it easier to fix the error. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. Rinnai fault code 11 - No ignition. Rheem tankless water heaters provide water on demand. Before you try anything else, reset your Rheem water heater. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. 4. Ensure the condensate flow is free of dirt, debris, and buildups. } Thats all there is to it! A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. Head to the electric panel and locate the water heater circuit. Why is my Rheem tankless water heater beeping? It is also known as flue or chimney, which expels exhaust gasses out of the house. Increase the flow. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. To clear this fault, you will need a pump and two hoses. Check the thermostat on the remote control; it might be set too low. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. 12. For this reason, you are best to check the owners manual for your device for an accurate, up-to-date list of codes. The alarm sounds every 60 seconds when the tap is open. Take the front cover off. This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. Reason: Current fault with the Blower Motor. All LED lit (1,2,3,A,B,C) This indicates there is a problem with the internal circuit. Call the service if none of the steps taken above works. RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. Similarly to error code 51, you may want to check that the terminals on the gas solenoid valve wiring harness are not loose or damaged. Finally, unplug the water heater, disconnect the remote control then plug the heater back in and test it without the remote control. 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. 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. Resetting your tankless water heater will help you clear the error code from the control panel. A tankless water heater can be a great addition to your home. Receiving error code 61 -Faulty Blower Motor. 14. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. I have noticed that this problem occurs when the flame rods are dirty and needs to be cleaned. Error Code E2: This code means that the temperature of the incoming water is too low. There are a few possible causes of this problem: More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. Also, inspect the flame rod electrodes and clean them. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. 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. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. In rare cases, Rheem tankless water heater code 76 may indicate a problem with the filter capacitor. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. We turn unit off for 5 minutes and then turn back on each time C7 appears. What Size Heat Pump Do I Need for 2000sq ft Home. Required fields are marked *. In order to let your water heater run again, just switch it off at the breaker and then back on at the On position. If you need to reset the code on your Rheem tankless water heater, follow these steps: Now, remove the filter and wash it to eliminate sediment jammed in the inlet that is producing problems. Finally, clean or replace the inlet screen if it is dirty or clogged. I called the helpline and that's where the B.S. Solution. If you suspect either of these issues, contact a qualified technician for service. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. (function() { Compare Now. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. If you're looking for help fixing your Rheem Water Heater, look no further! Next, disconnect the wiring from the remote control and plug your water heater into an outlet. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. I have just updated this article as per your request. Initially, fine-tune the water flow or temperature. 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. Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. Unless you have an in-depth knowledge of water heaters, youre best to not risk making the situation worse. The thermistor should also be free of any limescale build-up and may require a clean. Save my name, email, and website in this browser for the next time I comment. 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. The neutralizer needs to be replaced soon. } Finally, check for blockages in the inlet filter and combustion fan. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. The unit may be plugged into an outlet that does not provide enough power. Search. 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. The most common codes include Codes 5, 11, 13 . There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. The most common reason is that the water heater is not getting enough gas or electricity to stay on. We broke down everything that will help eliminate the error message from the control panel. In this case, check the followings: 1. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. You can confirm if the filters capacitor is at fault by checking the water heaters control board. From https://www.justanswer.com/ythiJustAnswer Customer from Chicago, Illinois: What does an error code on Rheem tankless water heater h103Pearl Wilson: Assi. Next, inspect the ODS thermocouple to see whether it functions properly or not. 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. 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 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. The Rheem tankless water heater code 76 indicates a communication fault between the remote control and your tankless water heater. See if the fins on the heat exchanger are dirty and clean as necessary. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. Begin with slowing down the flow rate of your water heater. 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. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. Solution: You must descale the water heater. In the past 2 weeks, its beeped at me and the remote thermostat shows a code of 11 when i turn the hot water on. After you see a code on a tankless water heater, a common first step is to reset the device. So, keep reading. Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). Did not see that error code here. The most common codes include Codes 5, 11, 13, and 29. We created this website in order to help our visitors to find proper information about HVAC troubleshooting, repair and most frequent questions about it. 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. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. . 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. The diagnostics become simpler since the Rheem tankless heaters use the electronic control board and advanced technology with an optional remote controller and control panel. 3. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Moisture can also build up in the water heater and the unit will also be connected to the plumbing system. 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. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. WaterHeater HUB 2021 - All Rights Reserved. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. The first thing you should check is the water pressure coming into your home. Locate the reset button inside the control panel. Code 02: This means that the water heater is actively heating water. Now, try to turn on your water heater using the remote control. If the water heater comes on, then the remote controls wiring is at fault. To check the remote control, unplug your water heater from electricity and pull out its cover. The Rheem tankless water heater allows you to access instant hot water. Locate the flame rods on the front right side, Remove the rod by unscrewing the brackets that secure them to the burner, Clean them and screw them back into place. There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. A clogged condensate drain line and incorrect condensate line piping are the common causes to block the drainage system. You can fix this problem by replacing the wiring connecting the remote control and PCB board. But this task requires a lot of elbow grease. Part # 683034. What Are The Signs To Look Out For In A Failing Water Heater? Find the most common problems and see how to fix issues. Understanding Noritz error codes and troubleshooting Noritz water heaters. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. [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). Err04 - Receiving signal from switch, but at incorrect time. The circuit breaker for the unit may have tripped. 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. It will alert you that your water heater requires service or that there are damaged or broken components you need to repair or replace. Press it inwards until it clicks in place and then releases.