Water flow is too low, or the shutoff valve is not fully open. Also, inspect the flame rod electrodes and clean them. Check the pressure and adjust it accordingly. From top to bottom of this guide, we broke down every error code our tankless water heater displays. I was told to check the flue, gas, is it plugged in, who installed it. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. You should also check that the fan motor looks to be working properly. See how to troubleshoot the flame failure, not enough, no hot water . Bath. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. Of course, the internet is likely your go-to resource for any current information relating to your Rheem tankless water heater. If its incorrect, you should adjust it. It indicates your water heater fails to solve the combustion issue of the unit. If you dont get this reading, you must replace the PCB. The Richmond Marathon water heater offers a LIFETIME warranty. If the water doesnt flow, we recommend you increase the flow rate. Consequently, this affects the 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. Water Heater Showing Yellow Light. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! 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. Loose connections may still result in the code 76 error. Get FREE quotes from licensed Plumbers in your area today. 3. Filter FAQs by Category. When you have a problem . Reason: The Control Board is not programmed. To resolve this false flame issue, start by resetting the unit. If it has flipped off, flip it on. Hi there, i am Eugene - an experienced HVAC / appliance technician. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. Pipe dope may also cause a blockage inside the water flow control turbine. This error is preventable by descaling the water heater on at least once a year. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. What I recommend to you first is to clean the blower motor and its housing. Both error codes 80 and 81 suggest a problem with the gas cut-off valve. As soon as you spot an error code on your Rheem tankless water heater you may begin to panic as to what it means. 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. The gas supply to the unit may be shut off or interrupted. Remove the access panel from the front of the unit. Learn how to inspect and replace a water heater dip tube and solve the problems related to not enough hot water or sediment buildup. If you need to reset the code on your Rheem tankless water heater, follow these steps: 1. The neutralizer needs to be replaced soon. A tankless water heater can be a great addition to your home. A false flame being detected may also necessitate a service call, yet there are certain steps to take first. 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. 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. } A fault with the water inlet temperature sensor would result in error code 31 and you may want to check certain elements of your Rheem tankless water heater yourself. For every 5 gallons, there should be 2 gallons and 3 gallons of water, Put you pump into the bucket and run it for 30-45 minutes, Make sure that power is turned on to the unit and circuit breaker is powered on, Make sure that the safety device on your unit is not activated resulting in the water heater not operating, Sometimes errors are caused as a result of communication fault instead of any particular issue with a component on the unit. good stuff mate i have a rheem gas 871624pfj tankless it comes with code e 51 ,i turn unit off it clears error code and will work and stay working untill you stop using hot water then back to e51,cleaned filters ,still same any help pls. 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. First, check to make sure that the water supply to the unit is turned on and that there is adequate pressure. Please select accurately so we can provide you with the best service providers in your immediate vicinity. 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? ). Rheem tankless water heaters have many error codes that make it challenging to pinpoint the exact cause of each error. You can confirm if the remote control is the problem by disconnecting the remote control wiring on the PCB board. Reason: Poor/Improper Combustion due to the flame rod. What does E4 mean on a Rheem tankless water heater? If your Rheem tankless water heater is displaying error code 11, it means that the unit is not getting enough air. If you need to reset the code on your Rheem tankless water heater, follow these steps: Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. You may need to flush the system using distilled white vinegar though do be careful as the water would naturally be hot. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. On top of this, you must ensure the drain will not allow backflow. A new remote control should facilitate communication and solve the Rheem code 76 error. Your email address will not be published. First, check the exhaust and venting flue for any blockages. Performing regular maintenance on your Rheem tankless water heater should prevent error code 1L from occurring. The Marathon is a special water heater that has a seamless blow molded polybutene inner tank. If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. This can happen when there is insufficient gas supply to the tankless unit or a faulty ignitor coil. Care Tips for Rheem Tankless Water Heaters, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Excel Tankless Water Heater Troubleshooting (Complete Guide), Eternal Tankless Water Heater Troubleshooting (Complete, Furrion Tankless Water Heater Troubleshooting (Complete, Atwood Water Heater Troubleshooting Guide, A.O. You may need to adjust your homes water pressure regulator or install a new one if yours is not working properly. This is another fault that you may want to check with a professional. These steps will get fix the fault and restore your water heater back to working condition. The repair guide provides info on how to deal with the heating problems. I followed the instructions to descale using. Have a different tankless water heater brand that needs troubleshooting? Also, dont forget to check the breather box for debris and use a vacuum cleaner or a lightly damp rag to clean the box. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. Then, check all the pipelines for both the hot and warm water and confirm the lines don't cross. Code 03: An error code that indicates there is a problem with the gas supply to the unit. More specifically, it will focus on troubleshooting your Rheem tankless water heater and what to do when you encounter the dreaded error code. Water volume control fault is what error code 65 indicates. Simple. . Expert Tip: You should avoid electrolytic capacitors because its difficult to identify their polarities. Solution: You must descale the water heater. These issues can include water leaks, that it runs out of hot water quickly, and suffers from an inconsistent water temperature. Heres how to do it: This should allow the device to fully reset itself, and you might find the error code has magically disappeared. Like other water heaters, the Rheem tankless water heater has a venting system. We recommend you check for a broken wire or poor electrical connection. It indicates a neutralizer drainage failure. As a concerned Rheem tankless water heater user, you may want to know what causes this error code and how to fix it. By understanding these simple codes, you can keep an eye on your Rheem tankless water heater and make sure its always operating properly. 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. Transitional Design House Bathroom Vanities without Tops; Every water heater venting system uses a duct or pipe. The filter capacitor may become clogged and damaged over time, hindering its capacitance capability. Press it inwards until it clicks in place and then releases. No spam, we promise. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. You may even want to take out the flame to check it and clean it with some steel wool. You can confirm if the filters capacitor is at fault by checking the water heaters control board. . These codes can be confusing, but they usually indicate a simple problem that can be easily fixed. Features and error codes may have changed over the years so finding an updated resource is vital to ensure that you know what to do when a fault looks to have occurred. Solution: Make sure that the gas shutoff valve provides enough gas to the main gas burner, and there is no obstacle. It will be best to check the manual and use the fuel type recommended by the manufacturer. See if the air inlet screen is dirty and clean as necessary. To fix this issue, you need to slow down the flow rate. If you encounter an code, it will be displayed on your Rheems digital thermostat display. In my experience, in most cases, it is a false flame code because when I look through the site glass, the flame is still visible. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. Rheem hot water heater has low or no hot water flow. As always, your best resource is your owners manual since it'll have the specific information you need for your model. If youre getting an error code 76 on your Rheem tankless water heater, it means that the unit is not receiving enough water flow. What part of Australia are you from? 13 Common Rheem Tankless Water Heater Error Codes, 11. Ill also cover how to fix each problem to restore your heaters normalcy. 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). If the remote control works, we bet the wiring is at fault. 4. Water flow is below the minimum required. There could also be a problem with the outlet thermistor which is the outgoing water temperature sensor. Often, resetting the gas water heater allows the device to calibrate itself properly, and then the problem will fix itself. These can include checking for damage to the thermistor wiring and to check the thermistor for the right number of ohms. Error Code E1: This code indicates that there is insufficient water flow to the unit. The specific codes might also differ slightly depending on your specific model of Rheem. Check that the program chip is properly installed and that the control board recognizes the right type of gas, which could be propane or natural gas. Remove electrical connection box (single screw on outside left). You can find a full list of error codes here. 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. With a full line of Rheem . Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. Err04 - Receiving signal from switch, but at incorrect time. Save my name, email, and website in this browser for the next time I comment. It will likely be red and/or have a picture of a triangle with an exclamation point next to it. The second trick is to check for any blockage in the exhaust venting. Solution: First, ensure that the water heater's circuit breaker in the service panel hasn't tripped. 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? For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. . There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. . Quick View. Check both of these things and make sure they are clear before resetting the unit again. But this task requires a lot of elbow grease. You must use an authentic Rheem tankless water heater replacement capacitor for efficient operation. You could increase the flow rate or simply adjust the temperature though if all of these potential solutions fail then there may be a problem with the water flow sensor itself which needs to be replaced. Therefore, our top advice is that you contact a professional plumber when you see an error code. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. If the heat exchange fins get clogged, release the blockage. First off, turn the unit off at the remote controller or at the circuit breaker. Check that the gas supply is working properly and that the gas pressure is ideal, as per the manufacturers recommendations. The several inches of foam insulation give it up to 0.93 uniform energy factor. Also, turn the gas shut-off valve to stop the gas supply to the unit. Try plugging the unit into a different outlet. If the problem persists, call a qualified technician for service. Thats all there is to it! Should the heat exchanger keep a temperature of 207 F for a period of longer than 15 seconds then error code 15 may occur. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Troubleshooting John Wood tankless water heaters. Confirming that the remote controls wiring is the issue before fixing it will save you resources and time. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Reason: Remote Control Communication Fault. Head to the electric panel and locate the water heater circuit. 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. You may not need to contact a qualified specialist to take a look as the error codes can be troubleshot by yourself. Connect a jumper wire to the remote terminal on the printer circuit board and try powering on the water heater using the remote control. In this blog post, well decode some of the most common error codes and tell you what you can do to fix them. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. If there are air flow restrictions surrounding the unit or obstructions at the vent terminal then this could also result in an error code 34. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. What is Rheem Tankless Water Heater Code 11. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Call the technician because the water heater is overheating. 2. A lower or higher value indicates a faulty capacitor. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. 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. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. If your Rheem electric tankless water heater needs to be reset, follow these steps: event : evt, If its dirty, replace it with a new one. Code 02: This means that the water heater is actively heating water. There may be something blocking the inlet or outlet of the unit. See if the fins on the heat exchanger are dirty and clean as necessary. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. 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. If nothing works for you, I suspect the PCB is the culprit. I have installed many tank & tankless water heaters as I am a plumber. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. Solution. From this chapter, you can learn about the most common error codes the tankless water heater shows. Once confirmed, replace the faulty ignitor coil. Phase #1: Start by turning off the power supply to your water heater. Then, inspect the gas solenoid valves and make sure they work properly. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. 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. Receiving error code 61 -Faulty Blower Motor. It may be the case that both the fan motor and the control board need to be replaced. You can only use an electrolytic capacitor if you know its polarity. 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. Watch the following tutorial to learn how to replace the water flow sensor. If its empty, dont forget to fill it with gas. If this doesnt work, your next step is to check the gas valve wire connections to ensure they are secure. You can also check that the ohms are correct though your sensor may need to be replaced. Step 1 and 3 plus b. It will alert you that your water heater requires service or that there are damaged or broken components you need to repair or replace. In a worst case scenario, you may need to replace the control board. Nonetheless, freezing weather can also block up the neutralizer drainage system. This neutralizer is specially designed to keep the drain condensate away from the water heater. 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. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. Turn off you recirculation pump if your unit is connected to one. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. 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. Replace the combination gas control (thermostat). To resolve the issue, try the following steps: Turn off the power to the water heater for 10 seconds and then back on. Several reasons are responsible for the heater to throw this error message. What Size Heat Pump Do I Need for 2000sq ft Home. 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. Here are some steps you can take to troubleshoot and fix the problem: It will usually be red or black, and may be labeled reset. If the unit comes on, the wiring of your remote control is at fault. Error Code E4: This code signals that there is a problem with ignition or flame detection. 4. Doing this will ensure that theres enough oxygen for proper combustion. Next, check the incoming water pressure to make sure it is within . Flame failure during operation. E5 on a Rheem Tankless Water Heater means there is a high flow rate. Locate the reset button on the control board inside the unit. A faulty capacitor is usually the problem if the . Resetting a Rheem Tankless Water Heater: Ultimate Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? The most common code is E1, which indicates that there is a problem with the heating element. The most common cause of this problem is a build-up of soot or debris in the combustion chamber. 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. The venting should also be adequately sealed and you may want it inspected by an expert. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. 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. Reason: Air Intake Filter Switch Malfunction. Continue with Recommended Cookies. Buying a different capacitor may only provide a temporary solution. Also, this warning message indicates that the unit has detected a false flame. Resetting your tankless water heater will help you clear the error code from the control panel. Locate the reset button inside the control panel. 5. Part # 683034. The good news is that you can prevent most of these defects by taking good care of your water heater. 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.