Below, we will show you how to fix those issues to clear away the error message. The most common code is E1, which indicates that there is a problem with the heating element. Reason: Continuous combustion lasting an entire hour. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); How to Reset Rheem Tankless Water Heaters, How Do You Troubleshoot a Rheem Electric Water Heater Rheem Error Codes, 5 Common Paloma Tankless Water Heater Error Codes, Common Electrolux Dryer Codes (E64, E65, E66, EF1, E91), F5E1 Maytag Washer Error Code? Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. 14. Another problem that might occur when the water flow is reduced is the excessive temperature of the heat exchanger. 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]. Then, inspect the heat exchanger fins for a clog and release the buildup. Clogged condensate neutralizer. Check the gas pressure; it might be too low, or the gas valve is not fully open. Search. When this process is completed, your water will be murky, because of the limescale that has been removed. How to use diagnostic system and fix the problems using the error codes that appear on the remote controller. You can also check that the ohms are correct though your sensor may need to be replaced. Also, this warning message indicates that the unit has detected a false flame. 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. When the problem occurs, the error code is displayed on the LCD screen of the remote or user interface, so by understanding the meaning of the code, the troubleshooting gets easier. Cause: The water heater and its burner doesn't get enough gas. listeners: [], Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. Err01/Err03 - Control Board not receiving signal from switch, or motor is malfunctioning. In this case, check the followings: 1. The minimum flow rate should also be met to make sure that the tankless water heater fires. Increase the flow. However, even the best tankless water heaters sooner or later may stop working or be affected by other I am glad to help. 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. If the water doesnt flow, we recommend you increase the flow rate. 5. [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). Takagi T-K-Jr2-IN-LP Indoor; Rinnai RL94iP HE+ Tankless Hot Water Heater; Rheem RTGH - 95XLP Prestige Propane Outdoor Whole House; Camplux 5L 1.32 GPM Outdoor Portable; Eccotemp Fv112-LP Liquid Propane; TAKAGI TH30SLP; Rinnai RUC98iP Ultra Series; Rheem RTG-64XLP 6.4 GPM Low NOx; Eccotemp L10 2.6 GPM water heater ); After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. A clogged heat exchanger, venting system, and air intake filter are responsible for making the ODS thermocouple defective. Lastly, check the fan motor for proper operation. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. Should you have a circulation pump installed, you can also turn that off or even remove it. Check the pressure and adjust it accordingly. 2. The error code c7 stands for a defective communication between the remote control and the tankless unit. 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. Did not see that error code here. Rheem is a trusted American appliance brand that is close to 100 years old. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. Initially, fine-tune the water flow or temperature. Call the service if none of the steps taken above works. Now, try to turn on your water heater using the remote control. As mentioned above, there are several more error codes you can potentially encounter with a Rheem tankless water heater. Water volume control fault is what error code 65 indicates. IN STOCK. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Some simple issues can result in the water flow being low and you should be able to solve them yourself. Finally, if your Rheem tankless water heater is more than 10 years old, it may simply need to be replaced. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Read More Propane Heater For Bed BugsContinue, Read More How Much Propane Does A Tankless Water Heater UseContinue, Read More Propane Vs Electric Water HeaterContinue, Read More Top 10 Best 80 Gallon Electric Water Heater (2022 Latest Price)Continue, Read More Top 10 Best 20 Gallon Electric Water Heater For 2022 (Buying Guide)Continue, Read More Best electric tankless water heater for rvContinue. If that does not work then you could confirm that the tankless unit is correctly grounded. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. Rinnai fault code 11 - No ignition. Instead, go for non-electrolytic capacitors like ceramic or film capacitors. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. See if there is anything blocking the air vent on the device. Turn off the power to the unit at the breaker box. Check the thermostat on the remote control; it might be set too low. If its dirty, replace it with a new one. A faulty capacitor is usually the problem if the error code 76 flash persists after fixing the above two issues. 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. Solutions include replacing the remote controls wiring, changing the remote control, or changing the capacitor. The water is heated on demand only, which reduces energy consumption as well as overall energy costs. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Over heating. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. } To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. See the symptoms of How to fix water hammer problem in pipes. Err05 - Control Board is not accepting signal from switch. 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. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. 2. With a full line of Rheem . Other codes include F3 (for a problem with the thermostat), and P1 (for a pressure relief valve issue). This code indicates that the unit is not getting enough water flow. 4. Inspect the venting system for any blockages. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger 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. 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. Remove the access panel from the front of the unit. However, before you do that, confirm that the blower motor is turning freely as it may still operate with a small restriction. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. 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. I have just updated this article as per your request. Find the most common problems and see how to fix issues. A yellow pilot light means that the pilot is not . Rinnai fault code 10 - Air supply or exhaust blockage. Locate the reset button inside the control panel. Check both of these things and make sure they are clear before resetting the unit again. Err04 - Receiving signal from switch, but at incorrect time. Reason: Current fault with the Blower Motor. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. If you dont know how to detect the source of the problem, you can read this guide. You could also check the outlet thermistor, heat exchanger thermistor, and the gas valve are all in good working order. Just turn off the water supply valve to slow down the flow. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. Error Code E2: This code means that the temperature of the incoming water is too low. If they are then you may want to contact a specialist to take a look. c. Remove one ceramic heater plug. Otherwise, you need to change the PCB. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. A flame failure is a little different from a failure to ignite and will likely require a specialist to take a look. Just release blockage from those components to get the ODS thermocouple back in the working condition. The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. Our prices verses the exact same model at Homedepot.ca . These steps will get fix the fault and restore your water heater back to working condition. . Error Code E4: This code signals that there is a problem with ignition or flame detection. In that article, we described everything that causes your water heater to trigger the error message 12. 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. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. Here are some care tips for Rheem tankless water heaters: Rheem tankless water heater code 76 may be due to a simple issue like a loose remote control wiring. To resolve this false flame issue, start by resetting the unit. Man Tips! Nonetheless, freezing weather can also block up the neutralizer drainage system. If your Rheem electric tankless water heater needs to be reset, follow these steps: During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. 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. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. You should consult with a licensed professional and check local permit requirements before starting any project. Resetting your tankless water heater will help you clear the error code from the control panel. window.mc4wp = window.mc4wp || { Consequently, this affects the communication between your remote control and the water heater. Water can corrode your water heater and result in tiny fractures or cracks that will inevitably lead to a leak. Locate the reset button on the control board inside the unit. 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. In general, here are some additional things to check in order as you evaluate the issue with your unit. The water shutoff valve and hot water tap need to be fully open. The Rheem tankless water heater code means that incomplete combustion is taking place in your heater or it may be that the water flow is too high. There could also be loose or damaged connections on the wiring harness for the gas control valve which could set off error code 71. Protect Your Home u0003With Mobile Leak Alerts. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. There are a few possible causes for this problem. Tankless water heaters generally last considerably longer than a tank-type heater, as they don't hold corrosive water for prolonged periods. This is relatively simple and can just mean shutting off all your hot water faucets. See if the air inlet screen is dirty and clean as necessary. 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. The thermistor should also be free of any limescale build-up and may require a clean. 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. WaterHeater HUB 2021 - All Rights Reserved. First, make sure that the gas supply to the unit is turned on and that there is enough pressure. Error code 12 means your tankless water heater fails to detect the flame. The Rheem tankless water heater allows you to access instant hot water. These water heaters may help you qualify for insurance discounts 2. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. If you suspect either of these issues, contact a qualified technician for service. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. Several reasons are responsible for the heater to throw this error message. It will likely be red and/or have a picture of a triangle with an exclamation point next to it. This particular error code could also be triggered due to the wrong altitude setting if you reside in a high-altitude environment. These two, if work out of order, can cause improper combustion inside the machine. We recommend you check the heat exchanger fins first for blockage. Doing this will ensure that theres enough oxygen for proper combustion. 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. Solution: Make sure that the gas shutoff valve provides enough gas to the main gas burner, and there is no obstacle. Replace the combination gas control (thermostat). The most common codes include Codes 5, 11, 13, and 29. Whichever issue it is, your unit will likely still be operating and you can solve the error yourself. Remove the access panel from the front of the unit. The specific codes might also differ slightly depending on your specific model of Rheem. On the other hand, if you can't turn on the unit, we bet the remote control gets defective. Pipe dope may also cause a blockage inside the water flow control turbine. 90% of the time, this troubleshooting step will help to eliminate the warning message from the control panel. You should also check that the fan motor looks to be working properly. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If needed, replace it with a new one. The cookie is used to store the user consent for the cookies in the category "Analytics". Error Code 29 indicates that the temperature is too low on the heat exchanger. If you encounter this, heres what you can do: These are the most common error codes, as well as the most common fixes for said codes. 4. There are a few things that could be causing this problem. 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. If you have a tankless water heater, you may occasionally see an error code displayed on the unit. Otherwise, you should replace the water flow sensor. Error Code 11indicates an ignition failure. Unfortunately, many things can cause an ignition failure. Now, remove the three side screws of the blower motor and take out the blower motor. As a basic inspection, start with verifying that there is water flow through the unit. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. But this task requires a lot of elbow grease. Then, inspect the gas solenoid valves and make sure they work properly. You may also want to ensure that the altitude settings are correct for your location. To fix this issue, you need to slow down the flow rate. Understanding the symptoms to look for will make it easier to fix the error. Also how to clean the inlet water filter. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . As a second-generation plumber, it was easy for Anthony to get used to the technicalities of all from a tender age, Table Shower Ultimate Guide (Must Know Secrets), 3 Ways to REMOVE PVC Pipe From a FITTING (Video Review), AO Smith Tankless Error Codes: Problems And Troubleshooting, Where You Can Find Current Information For Your Rheem Tankless Water Heater, The Error Codes On A Rheem Tankless Water Heater. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Thats all there is to it! callback: cb Water Heater Showing Yellow Light. Manage Settings First, check to make sure that the circuit breaker is not tripped and that there is power to the unit. 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. e. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. Error code 93 should show when the unit has shown down and is a further warning to replace the neutralizer. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. Cause: The gas shutoff valve is not open completely. Ill also cover how to fix each problem to restore your heaters normalcy. See whether its correctly installed and whether its functioning properly. Finally, the heat exchanger should be checked to make sure that the fins, fan, and air intake all appear to be clean. 3. After that, connect the water heater directly to an electrical output source and test a hot water source like a shower. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. 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. 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 first thing you should check is the water pressure coming into your home. You will see a number that is flashing on the display, which will be accompanied by a beeping sound. 10 Common Reasons. Make sure all of the above components are properly installed and secured before trying to use your Rheem tankless water heater again. 11. d. Remove outlet pipe bracket and ceramic heater plug. 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. 4. Check out advanced features for eco-friendly and cost-effective water heating. The circuit breaker for the unit may have tripped. Remove any obstructions and try again. You can confirm if the remote control is the problem by disconnecting the remote control wiring on the PCB board. 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. You can find a full list of error codes here. 10 Best Tankless Water Heaters. Your email address will not be published. Error code 35 should require you to inspect each of the thermistor connections to the control board as they should all be securely connected. Water flow is below the minimum required. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. There are many error codes on a Rheem tankless water heater (see also Rheem Water Heater LeakingWhat To Do?) and their reasons differ vastly. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. What I recommend to you first is to clean the blower motor and its housing. Rheem ECO-180 LP by: Efren This water heater started to be a problem, 6 months after I bought it. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. If your Rheem tankless water heater keeps shutting off, there are a few possible reasons why. Loose remote control wiring or the remote control itself gets defective. There are a few things that could be causing this problem. The unit may be plugged into an outlet that does not provide enough power. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Before testing a hot water source, you must ensure that all connections are properly secured. An example of data being processed may be a unique identifier stored in a cookie. If you have a Rheem tankless water heater, you may have received a code 76 error. Please select accurately so we can provide you with the best service providers in your immediate vicinity. What does E5 mean on my Rheem tankless water heater? Rheem tankless water heaters provide water on demand. Also, turn the gas shut-off valve to stop the gas supply to the unit. Any help you could provide or resource you can point me to would be greatly appreciated. This fault may be caused by blockages to the heat exchanger, limescale build-up, or even a combination of the two. 1. Error code 99 can indicate that there is a blocked flue fault that is causing the blower motor to be unable to vent. Increase the temperature on the remote if it is set too low. 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. Common symptoms, problems, and fixing tips. Remove the panel cover and locate the reset button behind the insulation. 13 Common Rheem Tankless Water Heater Error Codes, 11. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). Head to the electric panel and locate the water heater circuit. Press it inwards until it clicks in place and then releases. Troubleshooting John Wood tankless water heaters. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. 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 . Also, make sure that there are no plumbing or technical problems such as crossovers.