Now measure the continuity of connector U between both white wires. And thank you for mentioning your issues. If it does, you should check if the pulse output is from it. Check the heat exchanger for scale buildup. If needed, clean the inside of this motor. 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. This sensor constantly monitors the temperature of the heat exchanger and will throw an error code 14 if the heat exchanger gets too hot. Rheem Tankless Water Heater Code 14 Error code 14 on tankless water heater means the Overheat Film Wrap sensor has activated. While troubleshooting your Rheem, do not operate it or open the hot water tap, especially while testing it using the Min and Max buttons. Begin with slowing down the flow rate of your water heater. Cause: The water heater and its burner doesn't get enough gas. If the manual recommends using natural gas, go for it. Restrictions in the air supply or blocked exhaust venting are the root reason for a tankless unit overheating. Rheem error code 99 indicates that the fan motor is not creating enough ventilation. What Is Error Code 14 On Rheem Tankless Water Heater? Watch the following tutorial to learn how to replace the water flow sensor. Check if the maintenance information displays the hot water outlet temperatures. The error code c7 stands for a defective communication between the remote control and the tankless unit. Side 1/2" NPT water connections. Besides, faulty water control assembly is another reason responsible for flashing the error code 65. To troubleshoot Rheem error code 24, switch off the unit and check if it works with the disconnected remote control. Now lets dive into the in-depth exploration, highlighting all the responsive factors for error 14 with effective solutions. Simple. If nothing works for you, I suspect the PCB is the culprit. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. Rheem error code 15 means the heat exchanger is overheating. When this error code will pop up, understand there is no ignition on your tankless water heater. Phase #5: Take an air compressor. Well! Professional Classic tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications. However, there is also another meaning of the error code 29. Check the gas pressure; it might be too low, or the gas valve is not fully open. We earn a commission if you purchase at no additional cost to you. Now vacuum out the entire inside area and remove all the dirt and debris. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. Step #6: In case the resistance is all ok to the connector, then the problem lies in PCB. Did not see that error code here. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. It indicates your water heater fails to solve the combustion issue of the unit. If the code persists, call a licensed contractor. Increase the flow. If your Rheem tankless water heater displays an error code P1, the minimum water flow rate is insufficient for the main burner ignition. Undersized Tankless Water Heater 7. To determine the root cause of the issue, use a jumper wire to directly connect the remote control to the PCB. Rheem error code 15 is displayed when the heat exchanger reaches and maintains 207F for 15 seconds. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Why is my Rheem tankless water heater beeping? Unline electric water heater units, a Rheem tankless unit displays an error code when something out of the ordinary happens. So, replace it with a new one. How do you clear the error code on a Rheem tankless water heater? The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. Nonetheless, freezing weather can also block up the neutralizer drainage system. Blocked Air Intake 5. So, keep reading. Whenever you are encountering this error code, look for the cracked or broken heat exchangers as it is the leading factor for the faulty film wrap sensor. So, in this step, you need to check the resistance of the Molex connectors. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. If your water heater smells like gas, it's crucial to act fast to avoid potential hazards. In contrast, if the resistance of the Molex connector is ok, we bet the PCB gets defective. Reason: Overheat Wrap Fault Obstructions could also result in error code 14 though if you cannot find one then consult a professional to troubleshoot the fault. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. Measure the high and low-pressure readings and compare them with the manual. Theaverage cost for the replacement of the heat exchanger is around $500-$1500. When there is any problem with the unit, it will pop up an error code on the display. See our list of the best electric tankless water heaters. The flow meter sensor is also referred to as a water temperature sensor. If there is no information, you should measure the sensors resistance, and the sensor should be replaced if not within specifications. Ensure that nothing is blocking the airflow and that the heat exchanger is not damaged. If there is any damaged wiring, your water heater will be unable to send a signal to the control board. Rheem error code 29 indicates that the outlet temperature is too low. So, stay in tune with us and explore the way of clearing the error code 14. Is a bulging water heater dangerous and should it be replaced? The burner assembly fires up only when you open the hot water tap. 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. 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 the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. If it is so long to inspect and clean our tankless unit, it is confirmed that it is the reason for this error code. Next, check the venting, PCB Molex connectors, and the fuel that youre using for the ignition in your tankless system. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. Rheem error code 05 can be caused by blocked air ventilation and exhaust flue systems. Rheem error code 35 indicates a problem with the connections of one or several thermistors. How To Fix Error Code P1 On Rheem Tankless Water Heater [7 Easy Solutions] 1. 8kW Model Flow Rate: up to 1.95 GPM. Rheem Tankless on demand NATURAL GAS Water heater ( NOT PROPANE). These water heaters may help you qualify for insurance discounts 2. Rheem tankless water heaters provide water on demand. On the other hand, you should get a neutralizer kit and install it on your water heater if the neutralizer drainage fails. 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. Otherwise, you should replace the water flow sensor. William is the founder of Fireplacehubs.com. Rheem Tankless Water Heater Error Code 11, 07. But before that, dont forget to inspect the combustion chamber as well. Next, check the pipes for any clogs. Our comprehensive Rheem Water Heater Troubleshooting guide will explain common is. Just release blockage from those components to get the ODS thermocouple back in the working condition. Here's how to do so: 1. If there is any wrong, simply change the fuel type. Replacing the control board is the only solution to fix this water heater issue. A defective flow meter sensor, broken wire, and poor connection are the culprits that trigger the error code E4. Why do tankless water heaters burst? Ensure the MIC-180 and the EZLink are installed and set up correctly. Cracked or broken heat exchangers, using improper fuel type, and clogged venting systems are the reasons behind an overheated heat exchanger. Replace it if necessary. To reset the water heater, turn off the hot tap water and the unit itself. This is usually located near the control panel. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Overheat Film Wrap is a sensor. Replace the PCB or the communications cable if necessary. Ensure the airflow is not restricted or blocked. That way JustAnswer will credit me as the expert for answering your question You can ask a follow up question after rating my services in . Now, you may ask- how can I understand whether the solenoid valves function correctly or not? 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. Receiving error code 61 -Faulty Blower Motor. Continue with Recommended Cookies. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. Improper Fuel Type 02. Basically, it is determined through the manufacturers recommendation. The error code 61 popping up on the LED display represents a faulty blower motor. To troubleshoot Rheem error code 61, check the motors wiring condition and the Molex connections at the PCB. Before starting anything, dont miss to turn off the power and gas supply to your water heater. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. Next, you have to check the high and low fire manifold pressures of your tankless water heater and calibrate them if required. Check your units troubleshooting manual for more model-specific information. Replace the PCB if the error code 82 persists. Exhaust Venting Gets Clogged 04. You may need to replace the air filter switch assy or the PCB. Rheem error code 10 means a false flame has been detected. I am glad to help. Then reattach the tube. After thoroughly reading, hope that there should be no queries left over on this error code. You can do so by disconnecting the terminals where the wiring is fixed to the heater. Continue with Recommended Cookies. Fortunately, we broke down every possible culprit responsible for the activation of the Overheat Film Wrap. So is the case with Rheem tankless water heaters. Ignition failure will occur if the gas pressure is insufficient, resulting in . First, look for dirt or shoot build-up on the exchanger fins. Read Details: Rheem Tankless Water Heater Code 29. Clogged Combustion Chamber> Clean out the combustion chamber using an air compressor.> Also, blow the dirt from the burner. According to Rheem, the error code 10 will pop up when the fan motor fails to create sufficient ventilation. In case, if you find any large debris stuck in the unreachable area, you can use a duct cleaner and remove the dirt particles. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. The alarm sounds every 60 seconds when the tap is open. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. If using propane gas, make sure that the propane tank has enough gas. And the Overheat Film Wrap gets activated if the heat exchanger gets too hot. Common symptoms, problems, and fixing tips. On the other hand, if the Molex connector is in its place, check the resistance of the connector. If the igniter and the fan function but the main burner doesnt, we bet one of the gas solenoid valves doesnt work properly. You may also need to turn off or replace the circulation system. Rheem error code 38 indicates a problem with the oxygen depletion sensor. 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. We and our partners use cookies to Store and/or access information on a device. Then, remove the front access panel. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. Locate the reset button on your Rheem tankless water heater. When you turn on the hot water faucet, the activated heat exchanger heats the incoming water which rises the temperature. Here you need to press and hold the top and third buttons from the top. You may need to replace the thermistor or the PCB. To avoid this issue, we recommend you check the manual and use the gas type according to the manual. Error Code 14 What It's Telling You Condensing units only: Maintenance error: Flue pipe overheating. . Error Code 14 An overheat wrap fault. Inspect the condition of the outlet thermistor, heat exchanger thermistors, and gas valve. Error Code 15 E4 on your Rheem tankless water heater indicates an issue with the flow meter sensor. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. After 10 seconds, plug it back in. Water flow is too low, or the shutoff valve is not fully open. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. Troubleshooting John Wood tankless water heaters. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. The error code 12 on the Rheem tankless tells you there is no flame or flame detection problem in the unit. Turn off the gas and water shutoff valves. Defective Molex connection> Inspect the Molex connections at the PCB.> Remove the connectors and check the resistance going through them. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. Next, inspect the heat exchanger for any damages. If there is enough current running, you may need to replace the burner assembly; otherwise, replace the PCB. On top of this, you must ensure the drain will not allow backflow. The unit will throw the error code e51 if the gas inlet solenoid valve is at fault. Tankless Water Heater Thermal Fuse Repair (Error 14) Noritz N-0751M Brian's How 2 116 subscribers Subscribe 78K views 9 years ago This is an in-depth guide on how to fix the thermal fuse on a. Error Code 14 Remove electrical connection box (single screw on outside left). While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Before doing so, remember to remove the Molex from the CB. An example of data being processed may be a unique identifier stored in a cookie. Next, access maintenance information to determine the flow rate. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Test the Molex connector at the PCB and replace it if needed. Follow these steps to test your Rheem tankless water heater's circuit board: Disconnect the power source from the water heater. Measure its resistance and voltage and replace it if necessary. Excess Water Flow 2. Your tankless water heater will display this wrong message if the venting system fails or doesnt work properly. If needed, replace the unit. Rheem tankless water heater will display the error code 14 when the Overheat Film Wrap (a sensor) gets activated. As the heat exchanger is prone to get dirty, take an eye to it first. Step #2: Remove all the screws that are securing thefront coverof the unit. Besides, we will also depict those reasons that trigger the error messages and provide the solutions as well. Improper fuel type, rusty or defective heat exchanger, and faulty Molex connector are some caveats responsible for triggering this error code. Self-modulating power control. Inspecting their condition and cleaning them will typically fix this error code. 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. Sometimes this issue can be fixed by simply restarting the unit. If needed, replace it with a new one. However, if there is no information, measure the resistance to the heat exchanger thermistor. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. 2. If you dont know how to detect the source of the problem, you can read this guide. Rheem Tankless Water Heater Error Code 29, 11. If the error code 12 persists, contact a licensed technician. Founded by Hubert Miles, Certified Master Inspector. Disconnect the vent structure from the unit. And these ultra low NOx tankless solutions are up to 96% efficient . origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared . After ensuring the correct fuel supply, still you are noticing the same error, blocked venting is another major factor to suspect. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. If it does, the unit should be working properly and restarting. Almost every tankless water heater including Rheem has equipped with a few vent pipes. Ensure minimum water flow and clean cold water inlet pipe and aerator screens. Head to the electric panel and locate the water heater circuit. There is, most likely, a problem with the blower motor, flame rod, or exhaust venting. We also broke down what you should do if the capacitor gets faulty. After cycling the unit if you notice any remaining flame through the view window, I bet the gas control assembly is the culprit. 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 there is no information, the unit should be working correctly. If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. If the unit does not work after resetting it using the Min and Max buttons, you may be dealing with a faulty PCB. The root reasons for this error code include: Using the wrong fuel type. . However, if the resistance seems good, the PCB may need to be replaced. Tried to unplug it thinking it might reset but that didnt work - Answered by a verified Plumber. Finally, ensure the Molex connector is in good condition. 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Stay in tune with us and explore the way of clearing the error code 11,.! Open the hot water outlet thermistor a recommends using natural gas, go for.. Just updated this article as per your request and convenience of continuous water! Of connector R between # Black3 and # Yellow5 wires will be 4K to 10K ohms venting systems are culprits... Buttons from the CB compare them with the connections of one or several thermistors you are noticing the error... Voltage and replace it if needed, clean the inside of this.! Detect the source of the Molex connector is in good condition doesnt properly...