Nonetheless, freezing weather can also block up the neutralizer drainage system. It can also mean a bad combustion alarm, a high water flow rate, a motor problem in the water heater or the voltage of the power supply is very low, and a pilot or main burner valve problem. Then, inspect the gas solenoid valves and make sure they work properly. Replace the PCB or the gas inlet solenoid valve if needed. Tankless Water Heaters for your Home - Rheem Tankless Water Heaters If you dont get this reading, you should replace the heat exchanger thermistor. If your Rheem displays an error code 29, ensure the heat exchanger is clean of any buildups. Turn off the power to the unit at the breaker box. The PCB may need to be replaced if the sensor is working properly. Ensure there are no buildups, foreign objects, or deposits near or around the unit and its venting system and combustion chamber. However, there is also another meaning of the error code 29. Rheem error code 99 can mean abnormal combustion caused by a blocked or obstructed fan, heat exchanger, air intake, faulty combustion air sensor, or exhaust venting. Error E5 codes may be the result of a malfunctioning combustion alarm. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. Insufficient Or Restricted Gas Flow 02. Ensure minimum water flow and clean cold water inlet pipe and aerator screens. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. 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 . Hi there, i am Eugene - an experienced HVAC / appliance technician. This beeping makes sense, as it is possible that you might not look at your heaters digital display for a while and a major problem could otherwise go unnoticed. The most common codes include Codes 5, 11, 13, and 29. You may need to replace the thermistor or the PCB. Code 1L indicates that there is a limescale build-up in the unit. During the troubleshooting, you can remove the vent structure from the unit and start it. Rheem tankless water heaters provide water on demand. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. Another fault could occur with your ambient thermistor which is the combustion air temperature sensor. If your Rheem displays an error code 51, ensure the gas valve wiring is in good working condition and installed correctly. Leave the unit for 2o minutes. Cause: Most of the time, the water heater doesn't start because the hot water tap is not fully open, so the water flow is low. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Receiving error code 61 -Faulty Blower Motor. Check the gas pressure; it might be too low, or the gas valve is not fully open. There should definitely be no obstructions for the exhaust termination and flue inlet, check that both have the right amount of clearance space too. Rheem error code 24 indicates a problem with an operational switch. 11. It will usually be red or black, and may be labeled "reset.". You could ohm out all the solenoid valves, inspect the flame rods for the correct voltage, or even replace the gas control valve altogether. Error Code 13 indicates Flame rod: poor or improper combustion. Heres what you should do: Related:Rheem Error 13 Ultimate Troubleshooting Guide. Rheem error code 79 means there is a problem with the current of the fan motor. If you exceed the limit, the water will no longer be heated. See how to troubleshoot the flame failure, not enough, no hot water . A clogged heat exchanger, venting system, and air intake filter are responsible for making the ODS thermocouple defective. The error code c7 stands for a defective communication between the remote control and the tankless unit. Ensure the flame rod and gas valves wiring are in good working condition, installed correctly, and receive enough voltage. Consult the guide and see whether you have a grasp on the problem indicated by the code. The wiring for the flame rod may also be damaged, and the flame rod needs to have sufficient voltage. If the fault is not so serious then you may be able to fix it yourself and get your water heated soon enough. Shut off the water heater by unplugging it, Open the end caps on the valves and attach the hoses to them, Fill a bucket with water and add vinegar to it. For the air intake, remove then clean the air inlet filter and clean both the heat exchanger fins and the combustion air fan. Then, locate the two terminals connected with the remote control. Our whole-home gas and electric models are great for homes with busy families, homes with luxury bathrooms and vacation homes, while our point-of-use electric models are ideal for a single faucet or shower. Check your units troubleshooting manual for more model-specific information. Rheem error code 15 means the heat exchanger is overheating. Restart the unit and confirm the water control receives enough voltage. Ensure the unit is properly grounded and its wiring is in good condition. Rheem Tankless Water Heater Error Codes Over heating. If the readings are not within specifications, you may be dealing with a faulty thermistor, which you should replace. After cleaning the inlet filter, run the hot water only in the tap to check. Sensible Digs is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. window.mc4wp.listeners.push( If there is information, the unit should be working correctly and require restarting. Learning the error codes of your Rheem tankless water heater may seem exhaustive yet can prove to save you money. Issues affecting the thermistor, such as wiring. The neutralizer needs to be replaced soon. Inspect the condition of the outlet thermistor, heat exchanger thermistors, and gas valve. 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. It is a significant upgrade to the version that uses tanks and delays water supply till it's hot. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. Tankless Electric Water Heaters. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. However, if it isnt, check the resistance readings of the heat exchanger. The thermistor should also be free of any limescale build-up and may require a clean. Close the hot water tap and turn OFF the remote. One common problem with Rheem tankless water heaters is not getting any hot water while showering. Ensure the connections to the circuit board are secure. To troubleshoot this error code, confirm that the water bypass solenoid has the right voltage going through it. Check the heat exchangers resistance reading as part of the troubleshooting process. 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. In a worst case scenario, you may need to replace the control board. 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. As an Amazon Associate, I earn from qualifying purchases. We also broke down what you should do if the capacitor gets faulty. Otherwise, you should replace the water flow sensor. Specifically, error code 92 would display when the water heater is continuing to operate and is a warning to replace the neutralizer soon. Ensure its installed correctly and measure its resistance. And this is how the blower motor looks like: Inspect the blower motor for broken fins or dirt or debris that gets stuck inside it. It will be best to check the manual and use the fuel type recommended by the manufacturer. Why Do You Feel Sticky After Swimming? This error can be checked via two methods; checking that the front panel is installed properly and that the air filter door looks to be sealed correctly. Why Do Water Heaters Have a Reset Button? The error code 61 popping up on the LED display represents a faulty blower motor. At 210F, it will automatically shut down and switch on automatically when the temperature goes down to 194F. However, even the best tankless water heaters sooner or later may stop working or be affected by other Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. These include: Fortunately, re-lighting your Rheem tankless water heater is easy. If using propane gas, make sure that the propane tank has enough gas. If your Rheem displays an error code 66, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. 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. Error code 92 is displayed during operation, and when the unit is switched off, error code 93 is shown. Rheem Tankless Water Heater Troubleshooting [Complete Guide] Step #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. 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. 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. The most common codes include Codes 5, 11, 13 . Clean the inlet filter if necessary. Solution Initially, fine-tune the water flow or temperature. See if there is anything blocking the air vent on the device. Water Heater Technical Bulletins - Rheem Manufacturing Company If you do not feel comfortable performing this yourself then you can contact a professional to do it for you. 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. 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. If your Rheem displays an error code 76, confirm the remote control wiring is in good condition and tight. Next, inspect the ODS thermocouple to see whether it functions properly or not. Locate the reset button inside the control panel. Remove the access panel from the front of the unit. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. Several reasons are responsible for the heater to throw this error message. For instance, the exhaust cannot be recirculated back into the units fresh air intake. Rheem error code 11 can be caused by low gas pressure, faulty or improperly wired gas solenoid valve, and igniter. { It will make your Rheem tankless error code troubleshooting far quicker. So, keep reading. If your unit displays an error code 11, it is advisable to contact a licensed professional. If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. Comprehensive step-by-step guide: How to install a hybrid water heater with essential tips and expert guidance for a successful installation. If it does, the unit should be good and restarted. Remove the access cover on the heater's side by unscrewing the screws. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. 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. Before developing Water Heater Hub, Anthony Barnes was a full-time plumber, and he has undertaken a wide variety of projects over the decades. We will assume that the licensed plumber/installer professionally installed your 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. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? Rheem Water Heater Troubleshooting - YouTube It may be the case that both the fan motor and the control board need to be replaced. Close hot tap, cycle power on and off at GPO and open hot tap again. Rheem Tankless Electric Water Heaters - Performance Tankless Electric Tilt down the computer board, which will reveal the blower motor. Rheem error code 76 indicates a failure in communication with the remote control. Before you make a service call for error code 51, check for any loose/damaged terminals on the wiring harness for the gas control valve. If the readings are okay, you may be dealing with a faulty PCB. Also, check that the vent terminal was installed properly on the device. However, if there is no information, measure the resistance to the heat exchanger thermistor. In this case, there are a few things that you need to check. In this case, check the followings: 1. Rheem error code 03 means there is a problem with the manifold control. Resetting your tankless water heater will help you clear the error code from the control panel. Info about all performed services, including dates. Below, we will show you how to fix those issues to clear away the error message. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. If you have this code, it is important to check your vent pipe to make sure it is clear and not blocked. You can find data about the water flow in the maintenance information. 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. Begin with slowing down the flow rate of your water heater. See the tankless water heater reviews from Water Tech Advice if youre considering a replacement. . 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. Watch the following tutorial to learn how to replace the water flow sensor. As a retired plumber, Peter now spends his time teaching others how they can fix leaks, replace faucets, and make home improvements on a budget. } A false flame can be attributed to the flame rod (or rods) touching the flame whenever the unit fires. Otherwise, you need to change the PCB. 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 Install Water Heater Heat Traps | Water Heater Parts Guide, Hot Surface Ignitors: Troubleshooting, Testing, Replacing, How to Install a Hybrid Water Heater - DIY Tips. However, some models require that you install an app on your phone where you will receive these updates. Am I right? Pipe dope may also cause a blockage inside the water flow control turbine. What the Rheem Tankless Water Heaters Error Codes Mean, and How to After you see a code on a tankless water heater, a common first step is to reset the device. If the temperature is insufficiently low on the heat exchanger then you should receive error code 29 on your mid-efficiency or condensing unit. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. Ignition failure at start up. Make sure that the fan motor is operating properly. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . 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? Rheem Tankless Water Heater Error Codes [The Complete Guide] Rheem error code can display when the neutralizer or drain pipe gets clogged. Save my name, email, and website in this browser for the next time I comment. Next, check the resistance of the heat exchanger thermistor. If it does, you should check if the pulse output is from it. Remove any blockage you see. Begin with cleaning the air inlet filter. Reading through Rheemserror code guide, youll notice the description for each error code is quite specific. You may need to replace the thermistor or the PCB. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. If this doesnt work, your next step is to check the gas valve wire connections to ensure they are secure. Ensure all parts are in good working condition, clean, and not blocked by a foreign object. Rheem water heater flashing red light 4 times. Reset the unit using the Min/Max switches on the PCB. Error Code 11indicates an ignition failure. Unfortunately, many things can cause an ignition failure. When this error code will pop up, understand there is no ignition on your tankless water heater. Before you try anything else, reset your Rheem water heater. There is an issue with the PGFR (proportional gas flow regulating) valve. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. There may also be blockages in the heat exchanger which should be removed. Your email address will not be published. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. Afterward, remove every speck of dirt, debris, and buildup from the air intake filter. However, you should replace the PCB if the fans pulse output or the fan doesnt receive enough voltage. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. Most of the time, when troubleshooting a Rheem tankless water heater, you will have to reset it. The water temperature on the remote control is set too high. After another 20 seconds, switch the remote control on and the water supply too. Once you have an error code, take a look at our list to find out what the problem is. Replace the water control assembly or the PCB if necessary. Troubleshooting Tankless Water Heater Error Codes: Rheem Rheem Tankless Water Heater Error Code 12 (This Should FIX it) The Rheem tankless water heater allows you to access instant hot water. It helps us diagnose and determine the exact problem with the water heater. So is the case with Rheem tankless water heaters. Find the most common problems and see how to fix issues. Ensure the MIC-180 and the EZLink are installed and set up correctly. See an examplehow to descale a Bosch tankless heater. You can also check that the ohms are correct though your sensor may need to be replaced. When that happens, all you need to do is know what each error code means so that you can take the appropriate steps to rectify the situation. To resolve this false flame issue, start by resetting the unit. Next, disconnect the wiring from the remote control and plug your water heater into an outlet.
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