There are further elements that you can check including that the inlet water supply filter is clean. Check if the maintenance information displays the heat exchangers temperature. The alarm sounds every 60 seconds when the tap is open. Reason: The Control Board is not programmed. 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. These include: Fortunately, re-lighting your Rheem tankless water heater is easy. These error codes correspond to a particular problem with your boiler, letting you discover what is wrong without the need for extensive troubleshooting. 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. What does E5 mean on my Rheem tankless water heater? Use the error code guideline below to identify the problem, or. 3 Common Causes (and How To, Troubleshooting Electrolux Dishwasher Error Codes, 5 Common Problems with Camplux Water Heaters. Mainly E5 on a Rheem tankless water heater means a high water flow rate. Then, turn on the water heater again, which will reset the heater. 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. 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. it comes to homes, an issue that frequently arises is that the unit that is installed is not of the appropriate size for the households requirements. This means that the flow meter is not sending a signal to the computer which starts the machine. Check the flame rod itself to see whether there are defects. Defective Gas Solenoid Valves 03. For a condensing unit, confirm that the drain line is not blocked, and the shipping cap is removed. 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. Ensure the unit is installed correctly, the hot and cold water lines are not mixed up, and there is enough water flow. 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. Replace the water control assembly or the PCB if necessary. Reason: Poor/Improper Combustion due to the flame rod. All Plumbers are screened, licensed, and insured. And thank you for mentioning your issues. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. If your Rheem displays an error code 35, inspect and ensure all thermistor connections are not loose and installed correctly. The red flashing light on Rheem tankless water heaters means that the heater has reached a lockout status and requires immediate repair. Attach the remote control to the tankless unit with a different wire. Rheem error code 90 indicates a blocked flue. If your Rheem displays error code 99, ensure nothing blocks or obstructs the heat exchanger fins, exchanger flapper valves, vent termination, and clean air intake filter. Rheem Tankless Water Heater Error Codes P1, 02. 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. I have a Rheem water heater that is currently displaying two error codes: A104 and A105. LPG users check Propane bottle level. Finally, ensure the Molex connector is in good condition. Check the vent terminal and exhaust venting and ensure nothing blocks the airflow near or around the unit. Here faulty means either the blower motor itself gets defective or its housing gets clogged with dirt or debris. Whether you need a new water heater, a sink repair, or a toilet fixed We Can Help! Read Details: Rheem Tankless Water Heater Code 29. We hope this list helps you troubleshoot your Rheem tankless water heater and obtain a steady flow of hot water again. . Follow the same troubleshooting steps and procedures as in error code 51. There is an issue with the outlet thermistor. Consult the guide and see whether you have a grasp on the problem indicated by the code. Check if the maintenance information displays the hot water outlet temperatures. From top to bottom of this guide, we broke down every error code our tankless water heater displays. Why Do Water Heaters Have a Reset Button? 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. . Rheem tankless water heaters provide water on demand. Rheem error code 32 means there is a problem with the heat exchanger thermistor. Call the technician. 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. The reset button is there for safety reasons. They are usually displayed on the screen of the heater unit itself. 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. Knowing that the ignition has failed is straightforward enough yet finding out why can prove difficult. Learn how they work and if they're worth the effort and cost. A Rheem tankless water heater should last 15 to 20 years, and potentially longer with proper maintenance and a water supply that doesnt contain too many minerals. Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. It means the desired water volume is too high that exceeds your desired preset temperature. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. A temperature of 32F indicates a thermistor that does not make a good connection, and 199F indicates a direct short. Lastly, ensure the igniter wire harness is intact. Rheem water heater blinking blue light 3 times. This is a complete guide on Rheem Tankless Water Heater Error Codes. Heres what you can do: Code 12 signifies that the water heater does not detect a flame. Rheem error code 32 can be caused by scale buildup on the inlet water filter or other thermistors, damaged or bad wiring, and short circuits. The most common codes include Codes 5, 11, 13, and 29. Check for an operational igniter and for any damage to the igniter wiring harness. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. You should do a flushing service every two to three years to remove carbon buildup and keep the hot water flowing. 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. This is largely because the Rheem tankless water heater is not specially designed for continuous running along with a circulation system. 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. Clean the inlet filter if necessary. You can compare this code to those on our list to find out what is wrong with your heater. Rheem error code 65 means there is a problem with the water volume control. event : evt, In this guide, we will break down 11 day-to-day water heater status light codes, including: Rheem water heater flashing red light 1 times. Locate the reset button inside the control panel. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. Over heating. Check the gas pressure; it might be too low, or the gas valve is not fully open. Rheem Error Codes - How to Read and What to Do Ensure no unit parts are blocked, clogged, or obstructed by debris, foreign objects, or dirt and scale build-ups. In other words, youll need a very in-depth knowledge of these devices to understand each error code and an even more in-depth knowledge to solve it. ); Ensure the airflow is not restricted or blocked. 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. Replace the PCB if the error code 82 persists. Replacing the control board is the only solution to fix this water heater issue. So, lets get started right here. The gas pressure to your water heater should range between 1.2- 3.5Kpa. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. It will be best to check the manual and use the fuel type recommended by the manufacturer. Rheem error code 35 indicates a problem with the connections of one or several thermistors. Replace the PCB or the gas inlet solenoid valve if needed. There is a problem with the gas control valve. If the unit does not work after resetting it using the Min and Max buttons, you may be dealing with a faulty PCB. So, follow the troubleshooting steps we mentioned to clear the error message. 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. A clogged condensate drain line and incorrect condensate line piping are the common causes to block the drainage system. No spam, we promise. The unit should work correctly if the water temperature is displayed in the maintenance information. 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. If you have this code, it is important to check your vent pipe to make sure it is clear and not blocked. Rheem error code 11 can be caused by low gas pressure, faulty or improperly wired gas solenoid valve, and igniter. Rheem Tankless Water Heater Error Codes From the bottom of the unit, take out two screws that hold the computer bracket in place. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. 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. Lastly, check the fan motor for proper operation. If the remote control works, we bet the wiring is at fault. How To Reset Rheem Tankless Water Heater? A Definitive Guide Error codes are never a pleasant site, but theyre designed to make your life easier. One for the hot side and another for the cold side. There may also be loose or damaged connections attributed to the motor wiring harness that could be the true cause of the error code. 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. Company's make changes through the years, and Rheem has been in business a long time with a wide range of tankless water heaters . 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. If you are confident that youre not overworking your unit, consult a professional.

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