It helps us diagnose and determine the exact problem with the water heater. Ensure all vents are not blocked and in good working condition. Performance Features. Receiving error code 61 -Faulty Blower Motor. You can use 100-grit sandpaper to remove the carbon buildup from the flame rods. Rheem error code 33 can occur if scale buildup is on the inlet valve water filter or other thermistors, damaged or bad wiring, and short circuits. See an examplehow to descale a Bosch tankless heater. Blocked Air Intake 5. The PCB may need to be replaced if the sensor is working properly. 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. While troubleshooting your Rheem, do not operate it or open the hot water tap, especially while testing it using the Min and Max buttons. After 10 seconds, plug it back in. Press and hold the reset button for 3-5 seconds. When you turn on the hot water faucet, the activated heat exchanger heats the incoming water which rises the temperature. These are: Check the resistance readings of each sensor wiring and replace the sensors if not working correctly. You may need to replace the thermistor or the PCB. Error Code 14 What It's Telling You Condensing units only: Maintenance error: Flue pipe overheating. To learn more about error code 14, read this in-depth guide. Then, remove the front access panel. Check if the maintenance information displays the hot water outlet temperatures. The best chances are either the heat exchanger fins have cracked or get separated from the connections. Start with inspecting the remote control. Reset the unit using the Min/Max switches on the PCB. See how to troubleshoot the flame failure, not enough, no hot water . If the error code 12 persists, contact a licensed technician. More about us. Error code 14 means Overheat Film Wrap gets activated. Consequently, the heat exchanger malfunctions. Error Code 14 If needed, clean the inside of this motor. Overheat Film Wrap is a sensor. You should follow the same troubleshooting steps as in error code 51. 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. Clogged condensate neutralizer. From top to bottom of this guide, we broke down every error code our tankless water heater displays. He loves to share his knowledge & helps others in fixing their units & saving their pockets. Were always here for you. During the troubleshooting, you can remove the vent structure from the unit and start it. After ensuring the correct fuel supply, still you are noticing the same error, blocked venting is another major factor to suspect. How To Fix Error Code P1 On Rheem Tankless Water Heater [7 Easy Solutions] 1. . Is your tankless unit beeping? Head to the electric panel and locate the water heater circuit. You should do a flushing service every two to three years to remove carbon buildup and keep the hot water flowing. Mid-efficiency and condensing units: Fault in the overheat limiter (OHL). Also, turn the gas shut-off valve clockwise to stop the gas supply. Ensure the programming chip is suitable for your Rheem model, and the altitude at which the unit is used. Change the DIP Switch #4 setting to the "ON" position. If you had another question, feel free to ask it now and ill do my best to reply asap Otherwise, All I ask is that you take just a few seconds and remember to rate the question postively with the stars on the top left. Rheem Tankless Water Heater Error Code 12, 10. Cause: The water heater and its burner doesn't get enough gas. Basically, it is determined through the manufacturers recommendation. When there is any problem with the unit, it will pop up an error code on the display. Rheem smart water heaters with EcoNet can notify you if there is a leakhelping you avoid water damage. At the same time, the display of the Main Remote Control starts to flash. Check the vent terminal and exhaust venting. Solution: Make sure that the gas shutoff valve provides enough gas to the main gas burner, and there is no obstacle. You should also measure the Molex connections resistance. But this task requires a lot of elbow grease. The error code 12 on the Rheem tankless tells you there is no flame or flame detection problem in the unit. If its empty, dont forget to fill it with gas. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. 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. Why do tankless water heaters burst? First, look for dirt or shoot build-up on the exchanger fins. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. Continue with Recommended Cookies. If the remote control works, we bet the wiring is at fault. Rheem error code 05 means there is a problem with the combustion. Rheem Electric Tankless Water Heater Error Code E5, 05. Fortunately, we broke down every possible culprit responsible for the activation of the Overheat Film Wrap. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. During winter & freezing days, we recommend you insulate the drainpipe by using a heat tape. The water heater will trigger the error code E5 if there is too much water flow. Solution: If you cannot find the problem in the venting system, and cannot remove what is blocking the regular operation, call the service. A temperature of 32F means the thermistor is not connected correctly, and 199F indicates a direct short. If the error code disappears, then the problem is within the venting. Check the wiring, the Molex connections, and ensure no scale buildups or debris. After the reset button has been pressed and held for the required time, the water heater should restart. BRAND NEW, NEVER USED. #4- Locate the manifold pressure adjustment buttons on the PCB of your water heater. Check the gas pressure; it might be too low, or the gas valve is not fully open. Ignition failure will occur if the gas pressure is insufficient, resulting in . . Then, simply reset the circuit breaker unit and the power cord. > Inspect the exhaust pipes for any clogs. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Error code 12 means your tankless water heater fails to detect the flame. Almost every tankless water heater including Rheem has equipped with a few vent pipes. In that article, we described everything that causes your water heater to trigger the error message 12. Dirty Air Filter 4. Ensure the airflow is not restricted or blocked. On the PCB, all the Molex connections go to one location and fit one way. Step #6: In case the resistance is all ok to the connector, then the problem lies in PCB. It should give a reading of 50k 500k ohms. That includeselectricity, natural gas, and propane. Rheem error code 34 can be caused by scale buildup on the ambient combustion air sensor, blocked vent terminals, fan blades, airflow, damaged or bad wiring, and short circuits. How do you clear the error code 14 on Rheem tankless water heater? 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. This neutralizer is specially designed to keep the drain condensate away from the water heater. So, make sure the Molex connector doesnt come out at location U. Then, turn on the water heater again, which will reset the heater. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. As a basic inspection, start with verifying that there is water flow through the unit. Those error codes dont only help you understand the actual problem with the unit but also make it a breeze to fix them. Ensure all parts are in good working condition, clean, and not blocked by a foreign object. 8kW Model Flow Rate: up to 1.95 GPM. E5 on a Rheem Tankless Water Heater means there is a high flow rate. And lastly, check out the burner manifold pressure. Rheem error code 79 means there is a problem with the current of the fan motor. If it does, the unit should be working properly and restarting. Quick Solutions For Reasons Rheem Tankless Water Heater Code 14, How To Fix Rheem Tankless Water Heater Error Code 14 [5 Easy Solutions], 5. Blow away dirt & dust from the chamber using the compressor. Am I right? 13 Common Rheem Tankless Water Heater Error Codes, 01. Also, this warning message indicates that the unit has detected a false flame. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. It represents a water protection fault at the indoor unit. What does E4 mean on a Rheem tankless water heater? This mainly happens due to the rising temperature of the heat exchanger. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. It will be better if you install the heat tape close to the exit to the main drain to get the best output. > Clean out the combustion chamber using an air compressor. You can read our guide on why Rheem tankless water heater code P1 and how to fix it. Rheem error code 51 indicates a problem with the gas inlet solenoid valve. Hopefully I earned 5 stars today =). d. Remove outlet pipe bracket and ceramic heater plug. Next, disconnect the wiring from the remote control and plug your water heater into an outlet. 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. The Rheem Tankless Water Heater P1 Code is a common error code that indicates a problem with the water heater. If it has flipped off, flip it on. If your Rheem displays error code 38, light the burner for a few minutes and measure the sensors current readings. From the bottom of the unit, take out two screws that hold the computer bracket in place. First off, make sure there is enough fuel in your gas tank. Contractor or business name who did the installation and service. Professional Classic tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications. The resistance should be 50k-500k ohms. If necessary, replace the remote control, remote control wiring, or the PCB. It functions as the heat limiter which monitors the heat exchanger temperature. Test the Molex connector at the PCB and replace it if needed. So, replace it with a new one. Here's how to do so: 1. Thanks.Rheem Model RTG 84DVLP. #3- Now, remove the monometer tube from the monometer and block the tube end with the finger until the reading reaches 00. We also break down how to clear those error codes from the display. Cracked or broken heat exchangers, using improper fuel type, and clogged venting systems are the reasons behind an overheated heat exchanger. You can find more information in the user manual. You cant use both these fuel types together. You may need to replace the thermistor or the PCB. If your unit displays an error code 11, it is advisable to contact a licensed professional. Did not see that error code here. Rheem error code 82 means there is a problem with the PCB programming. Dont forget to release the blockage if needed. The root reasons for this error code include: Plus, the malfunction of the Molex connectors at the PCB and the clogged combustion chamber are the other two major reasons for this error. If the readings are looking good, the PCB may be at fault. Rheem error code 76 indicates a failure in communication with the remote control. However, if there is no information, measure the resistance to the heat exchanger thermistor. We and our partners use cookies to Store and/or access information on a device. If the remote works, the problem is with the cable, and if it doesnt, with the remote control itself. If the temperature is not within specifications, replace the thermistor, and if it is, you may have to replace the PCB. The heat exchanger is responsible for raising the temperature of your water heater. Tankless models need routine maintenance to ensure they remain energy efficient. Turn the power back on and test the water heater. In this case, you can hand over the task to a professional plumber. The repair guide provides info on how to deal with the heating problems. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. You should consult with a licensed professional and check local permit requirements before starting any project. Blocked venting> Inspect the exhaust pipes for any clogs.> Clean out the venting using a vacuum cleaner. Rheem error code 61 means there is a problem with the combustion fan. Afterward, take out these two screws from the top of the computer board. Well! Excess Water Flow 2. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Rheem error code 03 is found on units with MIC-180 or EZLink. If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. In this case, check the followings: 1. See our article Why is My Tankless Water Heater Beeping? My tankless water heater again, which will reset the heater information measure. All ok to the connector, then the problem is within the using! Out these two screws that hold the reset button has been pressed and held for the of! 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