Step #2: Remove all the screws that are securing thefront coverof the unit. If your Rheem tankless water heater shows an error code 00, try restarting it. If the dip 1 switches are switched off, the unit can be prevented from working properly. If the remote control works, we bet the wiring is at fault. Restart the unit and adjust the high-altitude fuel type chip and DIP switch. Turn off the gas and water shutoff valves. Troubleshooting error code 51 involves turning the unit off and on two times at 10-second intervals and inspecting the view window for any signs of a remaining flame. Follow the below step-by-step instructions to test the connectors: Step #1: Start by turning off the power supply to your water heater. Take a vacuum cleaner and insert it through the venting port. Inspect the gas valve wiring harnesses for loose or damaged terminals2. It will detect the heat exchanger when it gets overheated. Test the Molex connector at the PCB and replace it if needed. Inspect the condition of the outlet thermistor, heat exchanger thermistors, and gas valve. Rheem error code 05 means there is a problem with the combustion. William is the founder of Fireplacehubs.com. Phase #3: First up, remove the screws that keep the burner to the combustion chamber in place as you can see in the picture below. Can I Repair a Bulging Water Heater? The best chances are either the heat exchanger fins have cracked or get separated from the connections. So, stay in tune with us and explore the way of clearing the error code 14. Low Water Pressure From The Water Line 6. If youre using the wrong type of fuel beyond the recommendation, it leads to several malfunctions including combustion issues, flame failure, heating issues, and many more. Leave the unit for 2o minutes. Almost every tankless water heater including Rheem has equipped with a few vent pipes. Rheem Tankless Water Heater Code 14: Reasons & Solutions 01. But at times, the vent pipes get clogged by dirt, debris, or insects, creating an interruption to exhaust the combustion gases. Check the gas pressure; it might be too low, or the gas valve is not fully open. Did not see that error code here. 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. Rheem error codes 80 and 81 indicate a gas cut-off or extinction failure. So, in this step, you need to check the resistance of the Molex connectors. From this chapter, you can learn about the most common error codes the tankless water heater shows. Mid-efficiency and condensing units: Fault in the overheat limiter (OHL). If this sensor senses that the heat exchanger of your water heater gets overheated, it will pop up this error message. Ensure minimum water flow and clean cold water inlet pipe and aerator screens. The error code 61 popping up on the LED display represents a faulty blower motor. On demand, tankless units dont have a constant pilot light. You may need to replace the thermistor or the PCB. So, follow the troubleshooting steps we mentioned to clear the error message. Save my name, email, and website in this browser for the next time I comment. Replace it if necessary. Ensure the flame rod wiring is correct and clean. Takagi Water Heater Error Codes [Ultimate Guide]. First up, take a look at the below quick solution table for the error code 14 on your Rheem tankless water. * All pros listed are independent dealer-owned . If the flow meter sensor gets defective, the unit fails to send a signal to the computer that is responsible for starting the device. We recommend you check for a broken wire or poor electrical connection. 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. Symptoms, causes, and step-by-step troubleshooting guide to fix the most common problems on Rheem on-demand models. If the unit does not work after resetting it using the Min and Max buttons, you may be dealing with a faulty PCB. Am I right? Rheem error code IL indicates a possible scale buildup in the heat exchanger. Ensure it touches the flame. If the water doesnt flow, we recommend you increase the flow rate. Just release blockage from those components to get the ODS thermocouple back in the working condition. It will be best to check the manual and use the fuel type recommended by the manufacturer. If necessary, replace the remote control, remote control wiring, or the PCB. If using propane gas, make sure that the propane tank has enough gas. If using propane gas, make sure that the propane tank has enough gas. It is the first safety precaution that you must have to apply. Were always here for you. Reset the unit using the Min/Max switches on the PCB. First up, figure out the all responsive factors for the code and fix those. On demand continuous hot water; Compact and stylish with digital temperature control in increments of 1F ranging from 80F to 140F; 99.8% Energy efficient However, you should replace the PCB if the fans pulse output or the fan doesnt receive enough voltage. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. If not, the problem could be caused by the blower motor and the PCB. Otherwise, you need to change the PCB. So is the case with Rheem tankless water heaters. More about us. To reset the water heater, turn off the hot tap water and the unit itself. Rheem Tankless Water Heater Error Code 61, Rheem Tankless Water Heater error code 13, Rheem Tankless Water Heater Troubleshooting Manual [Complete Guide], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm, Loose remote control wiring or the remote control itself gets defective. Now, you may ask- how can I understand whether the solenoid valves function correctly or not? Ensure all vents are not blocked and in good working condition. If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. Incorrect Gas Pressure 3. Restrictions in the air supply or blocked exhaust venting are the root reason for a tankless unit overheating. And thank you for mentioning your issues. Rheem error code 21 means the air intake filter is not working correctly. Why is my Rheem tankless water heater overheating? Check the heat exchanger air inlet and perform regular maintenance to flush the unit with scale buildup. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. We broke down everything that will help eliminate the error message from the control panel. Next, disconnect the wiring from the remote control and plug your water heater into an outlet. Get FREE quotes from licensed Plumbers in your area today. After 10 seconds, plug it back in. To fix the Rheem error code IL, drain and flush the heat exchanger as recommended in your owners manual, which Rheem has provided. See our article Why is My Tankless Water Heater Beeping? Your water heater will flash this error message on the control panel due to: Firstly, determine whether there is a problem with the remote control wiring or the remote control itself. 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. But this task requires a lot of elbow grease. Protect Your Home u0003With Mobile Leak Alerts. Watch the following tutorial to learn how to replace the water flow sensor. Also, the combustion component like the fan and burner annually requires inspection & maintenance. Next, check the resistance of the heat exchanger thermistor. During troubleshooting the error code 31, check the water temperature according to the maintenance information isa temperature of 32F indicates a thermistor that is not making a good connection, and 199F indicates a direct short. After the reset button has been pressed and held for the required time, the water heater should restart. Rheem error code 72 means the flame probes are detecting flames. Ensure that the altitude is set correctly for your particular needs and the vents meet the necessary size requirements for safe operation and use. Finally, ensure the Molex connector is in good condition. If the readings are okay, you may be dealing with a faulty PCB. Before finding out the source of the problem, we recommend you pull out the remote control wiring from the wiring terminal on the PCB. Below, we will show you how to fix those issues to clear away the error message. The unit should work correctly if the water temperature is displayed in the maintenance information. It represents a water protection fault at the indoor unit. Copyright. Corrosion or Scale Deposit On Heat Exchanger FAQs: What are the most common problems with tankless water heaters? The neutralizer needs to be replaced soon. No Hot Water: Easy DIY Water Heater Repair Guide, Water Heater Breaker Size: Easy Wire & Breaker Size Guide, Best Laundry & Utility Sink Faucets: Our Top Picks for 2023, How to Unclog a Shower Drain: 7 Ways to Remove a Shower Drain Clog, How Long Plumbing Lasts: When to Replace & Costs. If your water heater comes on, we bet the culprit is the remote control itself or the wiring between the remote control and the tankless unit. Now attach the monometer tube to the manifold testing port of your water heater. In a water heater, it transfers the heat produced by electric coils to the water coming out of your faucet. At the same time, some water heaters recommend a specific gas type like natural or LP. Symptoms, causes Upgrade to solar hot water heaters and reduce your carbon footprint while enjoying savings on your energy bills. Overall, almost all tankless water heater uses common fuel sources. The average water heater flood claim is $4,440 1. Clogged Exhaust 6. Error code 12 means your tankless water heater fails to detect the flame. Any help you could provide or resource you can point me to would be greatly appreciated. Due to an overheated heat exchanger, the Overheat Film Wrap fails & the display shows the error code 14. This neutralizer is specially designed to keep the drain condensate away from the 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. How do you clear the error code on a Rheem tankless water heater? If the water control does not receive enough voltage, it may be a faulty PCB, and if it does, a defective water control. Replace the panel cover. Find many great new & used options and get the best deals for Rheem Water Heater Venting Parts 3" X 5" Stainless Steel For Tankless Gas Water at the best online prices at eBay! And these ultra low NOx tankless solutions are up to 96% efficient . Rheem tankless water heater code 11 might also be caused by a broken or damaged igniter wire harness. A clogged air inlet filter, dirty heat exchanger fins, and bad heat exchanger thermistor are some culprits behind this issue. If all seems good, the problem may be a faulty PCB. Ensure its installed correctly and measure its resistance. Next, inspect the heat exchanger for any damages. How do you clear the error code 14 on Rheem tankless water heater? Why does my Rheem tankless water heater display the error code 14? Rheem Tankless Water Heater Error Codes Error Code 00 What it Means: Continual combustion for more than 1 hour - This unit isn't designed to run continuously with the circulation system. Here's how to do so: 1. If everything looks in good condition, you may replace the PCB. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. During the troubleshooting, you can remove the vent structure from the unit and start it. In contrast, if the resistance of the Molex connector is ok, we bet the PCB gets defective. Check if the maintenance information displays the heat exchangers temperature. It should give a reading of 50k 500k ohms. If the unit starts, the problem is either with the remote control or wiring. To learn more about error code 14, read this in-depth guide. If the water heater has the mixing valve installed and does not operate properly, it must be replaced. 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 . To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. You can find data about the water flow in the maintenance information. If the resistance is not according to specifications, it should be replaced. You may need to replace the thermistor or the PCB. Ultimately, you will get the error code 14 on the display. Enjoy the comfort and convenience of continuous hot water. All rights reservedDisclaimer:The content published on hotwatertalk.com is not professional advice. When the temperature of the heat exchanger rises higher than normal, the film wrap sensor activates. Excessive wear and tear may cause damage to the igniter wiring. To troubleshoot Rheem error code 24, switch off the unit and check if it works with the disconnected remote control. Next, access maintenance information to determine the flow rate. Rheem error code 03 is found on units with MIC-180 or EZLink. The valves, the main burner, the flame rod electrodes, or the PCB may need to be replaced. We also broke down what you should do if the capacitor gets faulty. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. If it is so long to inspect and clean our tankless unit, it is confirmed that it is the reason for this error code. It will make your further reading easier and quickly understandable.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}Probable ReasonsPossible SolutionsUsing the wrong fuel type> Ensure the correct type of fuel for your tankless according to the manual recommendation.> Also, measure the high and low fire manifold gas pressures.Cracked heat exchanger> Replace the broken heat exchanger. 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. On the other hand, if it gets cracked, we recommend you replace it with a new one. The root reasons for this error code include: Using the wrong fuel type. Step #4: Besides, if you find the connector is in place, determine it is time to test the connector electrically. If your Rheem displays an error code 12, ensure all gas valves are open and adequate gas pressure. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. On the other hand, if you want to save money, check out this video to learn how to clean the inlet filter. If yes, secure the connection and restart the unit. The resistance of connector R between #Black3 and #Yellow5 wires will be 4K to 10K ohms. 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Also, make sure you tidy up the air inlet filter, combustion air fan, and heat exchanger fan. Side 1/2" NPT water connections. 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. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. However, if it doesnt, you should measure the thermistors resistance, and the thermistor or the PCB may need to be replaced. Step #3: First off, check to see whether the Molex connector at location U get detached or loosened. Next, check the venting, PCB Molex connectors, and the fuel that youre using for the ignition in your tankless system. A temperature of 32F means the thermistor is not connected correctly, and 199F indicates a direct short. Otherwise, use the LP gas to power your water heater. Ensure you eliminate every obstruction from the vent termination of the building and the flapper valve. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Check if the water inlet filter or fixture aerator is clogged and unblock it if it is. Lastly, ensure the igniter wire harness is intact. To avoid this issue, we recommend you check the manual and use the gas type according to the manual. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. Clogged Combustion Chamber> Clean out the combustion chamber using an air compressor.> Also, blow the dirt from the burner. If your Rheem displays an error code 29, ensure the heat exchanger is clean of any buildups. Defective Molex connection> Inspect the Molex connections at the PCB.> Remove the connectors and check the resistance going through them. If its empty, dont forget to fill it with gas. 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 will erase the code from the display. If there is no information, you should measure the sensors resistance, and the sensor should be replaced if not within specifications. If they get blocked by dirt, debris, and carbon buildups, this may cause a problem with the combustion. Rheem error codes 92 and 93 are typically found on condensing units. . 8kW Model Flow Rate: up to 1.95 GPM. I have just updated this article as per your request. Manage Settings On top of this, you must ensure the drain will not allow backflow. If not, you need to replace the bad connectors. On the PCB, all the Molex connections go to one location and fit one way. If it doesnt erase the error message, fix the issues that cause the heater to pop up the error code. Learn what to do, repair, and how to stay safe in this guide. How much does it cost to replace the heat exchange in a tankless water heater? If the manual recommends using natural gas, go for it. First off, make sure there is enough fuel in your gas tank. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. Blocked Air Intake 5. Solution: Make sure that the hot water tap is open enough to provide at least the minimum required water flow. What Is Error Code 14 On Rheem Tankless Water Heater? Check the vent terminal and exhaust venting and ensure nothing blocks the airflow near or around the unit. 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Area today tankless water heater, it transfers the heat exchanger rises higher than,... Solution: make sure that the flow meter sensor gets faulty overheat limiter ( OHL ) avoid issue!, read this in-depth guide heater code 14 reset the unit starts, the unit the error code means! Rod electrodes, or the PCB main burner, the harmful gasses to... Represents a faulty PCB exchanger air inlet filter, dirty heat exchanger rises higher than normal, the harmful fail... Most common error codes the tankless water heater error codes 92 and 93 are typically found on condensing.. Fan and burner annually requires inspection & maintenance up to 96 % efficient you want to save money check... Does not operate properly, it will rheem tankless water heater code 14 4K to 10K ohms way of clearing error! Liquid propane gas as its fuel good condition water protection fault at the below quick solution for. Below quick solution table for the next time I comment you increase the flow rate: up 96! 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Combustion component like the fan and burner annually requires inspection & maintenance type chip and dip.... Working condition clean of any buildups 14, read this in-depth guide the damaged wiring, or the control! Email, and website in this step, you need to check gas! Including Rheem has equipped with a few vent pipes 21 means the thermistor is not according to specifications it... Coils to the water flow the igniter wiring and tear may cause problem. Airflow near or around the unit by the manufacturer and adjust the high-altitude fuel type, a sink,... Correctly if the manual and use the gas type according to the manifold testing port your! If there is enough fuel in your area today high-altitude fuel type chip and dip switch 81 indicate a cut-off... Low, or the PCB and insert it through the pipe flow meter sensor gets faulty are to... Perform regular maintenance to flush the unit itself does my Rheem tankless heater. A constant pilot light particular needs and the sensor should be replaced designed to keep the drain will not backflow... Updated this article as per your request to troubleshoot Rheem error code 03 is on! Button has been pressed and held for the error code 14 supply or blocked exhaust venting ensure. Licensed Plumbers in your tankless system the required time, the unit using the Min Max... Annually requires inspection & maintenance outlet thermistor, heat exchanger fins have cracked or get separated from burner... With dirt or residue buildups the fan and burner annually requires inspection & maintenance senses that the tank! The display shows the error code 14, read this in-depth guide display represents a water protection fault the... May replace the water flow and clean pressed and held for the ignition in your gas tank code 14 read. Problem could be caused by the manufacturer condition of the Molex connector at the same,... 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