Undersized Tankless Water Heater 7. Ensure the flame rod wiring is correct and clean. 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. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Ensure the airflow is not restricted or blocked. These water heaters may help you qualify for insurance discounts 2. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. Understanding Noritz error codes and troubleshooting Noritz water heaters. Rheem's tankless hot water heater error code P1 signals an issue with a low flow of water through your heater system, usually due to debris of some kind. In the case of error code 14 on the Rheem tankless water heater, using the wrong type of fuel and incorrect manifold pressures is the first responsive factor to check. So, stay in tune with us and explore the way of clearing the error code 14. If the readings are not right, replace the thermistor; if they are within specs, you may have to replace the PCB. See an examplehow to descale a Bosch tankless heater. Follow these steps to test your Rheem tankless water heater's circuit board: Disconnect the power source from the water heater. During the winter, water can freeze in the drain piping, effectively blocking it and causing an error code 29 to appear on the unit. If the error code persists, contact a licensed technician. Fortunately, we broke down every possible culprit responsible for the activation of the Overheat Film Wrap. So, in this step, you need to check the resistance of the Molex connectors. Ensure it touches the flame. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. And lastly, check out the burner manifold pressure. . Why is my Rheem tankless water heater beeping? Error Code 14 What It's Telling You Condensing units only: Maintenance error: Flue pipe overheating. Why is Your Water Heater Leaking From Overflow Pipe? The water shutoff valve and hot water tap need to be fully open. E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. 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. The error code 61 popping up on the LED display represents a faulty blower motor. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. Here's how to do so: 1. Test the Molex connector at the PCB and replace it if needed. Free shipping for many products! If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Sometimes this issue can be fixed by simply restarting the unit. Rheem error code 65 means there is a problem with the water volume control. 3. Inspect the gas valve wiring harnesses for loose or damaged terminals2. Almost every tankless water heater including Rheem has equipped with a few vent pipes. If the error code goes away, the problem is within the vent system, and if it doesnt, the PCB or the blower motor should be inspected and replaced if necessary. This will erase the code from the display. Blow away dirt & dust from the chamber using the compressor. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Before finding out the source of the problem, we recommend you pull out the remote control wiring from the wiring terminal on the PCB. Remember, Rheem tankless models need routine maintenance to remain energy efficient. Rheem error code 05 can be caused by blocked air ventilation and exhaust flue systems. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. At times, only setting the thermostat temperature too high leads to a water heater overheating. Rheem error code is found on indoor units only and can be caused by a dirty air filter door or improperly installed and seated air filter door or front panel. Manage Settings Clogged Combustion Chamber> Clean out the combustion chamber using an air compressor.> Also, blow the dirt from the burner. It means the desired water volume is too high that exceeds your desired preset temperature. Let it set at 00 points. If the gas valve was disconnected, reconnect it. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. I am glad to help. If not, you should replace the flow meter sensor or the flow control valve of your Rheem Tankless Water Heater. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. If your Rheem tankless water heater displays an error code P1, the minimum water flow rate is insufficient for the main burner ignition. Next, check the venting, PCB Molex connectors, and the fuel that youre using for the ignition in your tankless system. c. Remove one ceramic heater plug. Disconnect the vent structure from the unit. If you dont get this reading, you should replace the heat exchanger thermistor. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. Cracked or broken heat exchanger. To fix the ER code, first, youve to ensure the correct fuel type for your gas water heater system. Below, we will break down each of the culprits that cause the Overheat Film Wrap to get activated. Consequently, it raises the temperature and causes the heat exchanger to get too hot. Reset Your Tankless Water Heater FAQs: Ensure the programming chip is suitable for your Rheem model, and the altitude at which the unit is used. He has practical skills in fixing smoker & heating appliance issues. Afterward, take out these two screws from the top of the computer board. DO NOT alter any other DIP Switch. If the Molex connector comes loose or gets detached from the circuit board, the heater will also display the error code. Hopefully I earned 5 stars today =). Check the heat exchanger for scale buildup. Ensure that nothing is blocking the airflow and that the heat exchanger is not damaged. We broke down everything that will help eliminate the error message from the control panel. Rheem error code 35 indicates a problem with the connections of one or several thermistors. After 10 seconds, plug it back in. Measure the high and low-pressure readings and compare them with the manual. Rheem TANKLESS WATER HEATER PERFORMANCE PLATINUM - $1,100 (North Cedaredge CO) BRIMSTONE near WARD CREEK. Now attach the monometer tube to the manifold testing port of your water heater. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Afterward, measure the voltage of the wiring between the water control and the connector B. If nothing works for you, I suspect the PCB is the culprit. 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. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. A temperature of 32F means the thermistor that does not make a good connection, and 199F means a direct short. Then, put back the front cover panel and restore the power supply to your water. If using propane gas, make sure that the propane tank has enough gas. Rheem error codes 92 and 93 indicate that the neutralizer is due for a replacement. Rheem error code 00 indicates that the unit has worked continuously for more than one hour. If not, you need to replace the bad connectors. 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. 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. In this guide, we will describe the common error codes this tankless water heater displays. The root reasons for this error code include: Using the wrong fuel type. Turn the power back on and test the water heater. Replace the PCB or fan if needed. However, the error code helps you troubleshoot the problem when scale buildup or malfunctions occur. Press it inwards until it clicks in place and then releases. Still, if you want to know more, do let us know through comments. Receiving error code 61 -Faulty Blower Motor. Begin with cleaning the air inlet filter. However, if you are mechanically inclined, keep scrolling. While troubleshooting your Rheem, do not operate it or open the hot water tap, especially while testing it using the Min and Max buttons. Check the air inlet filter, clean it, and ensure the vent pipes are connected correctly. 11kW Model Flow Rate: up to 2.68 GPM. We hope those troubleshooting steps we mentioned will help you clear the error message 14. Save my name, email, and website in this browser for the next time I comment. An overheated heat exchanger causes the film wrap sensor to fail and you will find the error code 14 in the display. If your Rheem tankless water heater shows an error code 00, try restarting it. Installing the kit on the water heater, will treat the condensate properly for safe disposal into the drain. Ensure the heat exchanger flapper is not blocked and moves freely and that the whole vent system is clean and not blocked. Your Rheem Water Heater will pop up this warning message due to the following reasons: Addressing and fixing those issues we mentioned will help you eliminate the error code from the display of the unit. > Inspect the exhaust pipes for any clogs. Now if any of the Molex connectors get loosened and detached from the PCB, it leads to the wrap sensor failure. 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. How to troubleshoot Rheem tankless water heaters by using the service error codes chart. Continue with Recommended Cookies. Mid-efficiency and condensing units: Fault in the overheat limiter (OHL). Rheem Tankless Water Heater Code E5 [7 Easy Fixes] 1. Rheem error code 15 is displayed when the heat exchanger reaches and maintains 207F for 15 seconds. Rheem error code 03 means there is a problem with the manifold control. Is your tankless unit beeping? LEARN MORE. All Plumbers are screened, licensed, and insured. The LED on the PCB is flashing. The Rheem error code 14 can be caused by using the wrong type of gas, blocked or obstructed airflow, vent terminals and exhaust vents, and faulty or a damaged heat exchanger. Just turn off the water supply valve to slow down the flow. However, depending on the information and type, you may need to replace the main burner, flame rod electrodes, or the PCB. Increase the temperature on the remote if it is set too low. To troubleshoot Rheem error code 24, switch off the unit and check if it works with the disconnected remote control. Here you need to press and hold the top and third buttons from the top. Head to the electric panel and locate the water heater circuit. If this drainage system gets clogged, your tankless water heater will flash the error code 29 to prevent the burner from being flooded. This neutralizer is specially designed to keep the drain condensate away from the water heater. It will be best to check the manual and use the fuel type recommended by the manufacturer. Then, remove the front access panel. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. 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. When the temperature of the heat exchanger rises higher than normal, the film wrap sensor activates. First up, take a look at the below quick solution table for the error code 14 on your Rheem tankless water. To fix the Rheem error code 71, ensure the gas inlet solenoid valve is installed correctly and its wiring harness is tight and not damaged. Error code 14 means Overheat Film Wrap gets activated. Cycle your water heater two times by turning off- then turn on- at 10 seconds intervals. Tilt down the computer board, which will reveal the blower motor. Rheem error code 79 means there is a problem with the current of the fan motor. A list of AO Smith tankless error codes for easy and inexpensive troubleshooting. If yes, secure the connection and restart the unit. Phase #4: When done, detach the flame sensor and igniter wire from the burner assembly. We also broke down what you should do if the capacitor gets faulty. At the same time, some water heaters recommend a specific gas type like natural or LP. You may also need to turn off or replace the circulation system. Rheem error code 82 means there is a problem with the PCB programming. Ultimately, you will get the error code 14 on the display. Cause: The gas shutoff valve is not open completely. Simple. It is possible for a Rheem unit not to heat water, though it has a flowing water supply and does not display any error codes. If you do so, it will cause a combustion issue, heat the water intermittently, and throw the error code 14. #3- Now, remove the monometer tube from the monometer and block the tube end with the finger until the reading reaches 00. Check your units troubleshooting manual for more model-specific information. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. So, replace it with a new one. If the maintenance information does not indicate the water being too hot, check the hot outlet thermistors resistance readings. Improper Fuel Type 02. If your Rheem displays an error code 76, confirm the remote control wiring is in good condition and tight. If the unit does not work after resetting it using the Min and Max buttons, you may be dealing with a faulty PCB. Call the technician because the water heater is overheating. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. Next, disconnect the wiring from the remote control and plug your water heater into an outlet. 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. 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. Rheem error code 33 indicates a hot water outlet temperature thermistor problem. When the ODS gets activated, your tankless water heater will trigger the error code 13. Rheem error code 05 means there is a problem with the combustion. Rheem's whole-home tankless water heaters, available in natural gas, propane and electric models, are great for homes with busy families, homes with luxury bathrooms and vacation homes, while their point-of-use electric tankless water heaters are ideal for a single faucet or shower. 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. Turn off the gas and water shutoff valves. Copyright. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. If this sensor is at fault, it will not send a signal to the computer, which starts the tankless unit. You cant use both these fuel types together. Consequently, the heater displays the error code 14. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If everything looks in good condition, you may replace the PCB. It indicates a neutralizer drainage failure. Dirty Air Filter 4. > Clean out the combustion chamber using an air compressor. must have a pressure of 10.5 w.c. or 2.6 KP for natural gas and 14 w.c./3.5 kPa for LP gas. Read Details: Rheem Tankless Water Heater Code 29. It backs to the heater and leads to the heat exchanger getting too hot. You can read our guide on why Rheem tankless water heater code P1 and how to fix it. So, I highly recommend you to call a professional to handle this. Call the technician. If it has flipped off, flip it on. If the waters temperature is too high, this should be indicated in the maintenance information. On demand, tankless units dont have a constant pilot light. Rheem error codes 92 and 93 are typically found on condensing units. To reset the water heater, turn off the hot tap water and the unit itself. Press and hold the reset button for 3-5 seconds. Watch the following tutorial to learn how to replace the water flow sensor. What does E4 mean on a Rheem tankless water heater? Lack of Ventilation In The Room 7. Restrictions in the air supply or blocked exhaust venting are the root reason for a tankless unit overheating. Reset the unit using the Min/Max switches on the PCB. Then, reset the Rheem tankless water heater again. On the other hand, if the Molex connector is in its place, check the resistance of the connector. 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 Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. Consequently, the heat exchanger malfunctions. Check the vertical and horizontal vent lengths and ensure they meet the standards for safe operation. 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. 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. I'm a licensed Home Inspector, Certified Professional Inspector (CPI), Certified Master Inspector (CMI), and FHA 203k Consultant. During the troubleshooting, you can remove the vent structure from the unit and start it. Ensure the MIC-180 and the EZLink are installed and set up correctly. To do so, go through the manual for your water heater. Clogged Exhaust 6. Now measure the continuity of connector U between both white wires. Ensure there are no loose connections. We also break down how to clear those error codes from the display. Blocked venting> Inspect the exhaust pipes for any clogs.> Clean out the venting using a vacuum cleaner. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Before starting anything, dont miss to turn off the power and gas supply to your water heater. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. Then you will expect to pay up to $200-$300 if youhire a professional for the replacement job. Clean the inlet filter if necessary. Tankless models need routine maintenance to ensure they remain energy efficient. It should give a reading of 50k 500k ohms. However, you should replace the PCB if the fans pulse output or the fan doesnt receive enough voltage. Use the error code guideline below to identify the problem, or. Rheem error code 61 means there is a problem with the combustion fan. To fix the Rheem error code IL, drain and flush the heat exchanger as recommended in your owners manual, which Rheem has provided. If it does, you should check if the pulse output is from it. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. If needed, replace the unit. So, lets get started right here. We and our partners use cookies to Store and/or access information on a device. Ensure the unit is installed correctly, the hot and cold water lines are not mixed up, and there is enough water flow. Remove the panel cover and locate the reset button behind the insulation. Well! Rheem Tankless Water Heater Code 14: Reasons & Solutions 01. If your Rheem displays an error code 29, ensure the heat exchanger is clean of any buildups. Remove and clean any buildups and blockage in the condensate drain system. Posted 2023-04-14 17:56 Contact Information: print. If the fan doesnt move, then ensure it receives enough voltage. 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. If the water doesnt flow, we recommend you increase the flow rate. Check the wiring, the Molex connections, and ensure no scale buildups or debris. 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. We recommend you check for a broken wire or poor electrical connection. In this case, check the followings: 1. At the same time, the display of the Main Remote Control starts to flash. If the error code 12 persists, contact a licensed technician. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. You need to replace the defective heat exchanger. An example of data being processed may be a unique identifier stored in a cookie. Check the heat exchanger air inlet and perform regular maintenance to flush the unit with scale buildup. Rheem tankless water heater will display the error code 14 when the Overheat Film Wrap (a sensor) gets activated. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Rheem error code P1 means the water flow rates have fallen below 0.66 GPM for more than 5 seconds. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. Make the switch to sustainable living and harness the power of the sun! Consequently, the wrapped sensor fails and the control panel throws the error 14. Replace the PCB or the communications cable if necessary. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. Replace the bad 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.. In the troubleshooting manual, Rheem says that error code 29 stands for too low heat exchanger outlet temperature. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. It indicates your water heater fails to solve the combustion issue of the unit. Manage Settings Restart the unit and confirm the water control receives enough voltage. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Rheem error code 11 can be caused by low gas pressure, faulty or improperly wired gas solenoid valve, and igniter. Replace the PCB or fan if necessary. If the water control does not receive enough voltage, it may be a faulty PCB, and if it does, a defective water control. 13 Common Rheem Tankless Water Heater Error Codes, 01. Step #2: Remove all the screws that are securing thefront coverof the unit. You should follow the same troubleshooting steps as in error code 51. If there is any wrong, simply change the fuel type. Replace the PCB if the error code 82 persists. Increase the flow. Afterward, remove every speck of dirt, debris, and buildup from the air intake filter. It is the first safety precaution that you must have to apply. Propane gas, make sure that the heat exchanger is clean of any buildups burner, main! A breeze to fix the issues that cause the heater displays the error code 14 when the heat is. 82 means there is any wrong, simply change the fuel that youre using for the activation of the,. Code 03 means there is a problem with the water intermittently, and there is water... 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Some water heaters may help you qualify for insurance discounts 2 the air supply or blocked exhaust are...