A gas unit either uses natural gas or liquid propane for the ignition. Mid-efficiency and condensing units: Fault in the overheat limiter (OHL). Tried to unplug it thinking it might reset but that didnt work - Answered by a verified Plumber. If needed, replace it with a new one. 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. Cracked or broken heat exchangers, using improper fuel type, and clogged venting systems are the reasons behind an overheated heat exchanger. So, in this troubleshooting step, we should inspect the heat exchanger. Otherwise, you need to change the PCB. Now, you may ask- how can I determine whether the suspect is the remote control or its wiring? Rheem error codes 92 and 93 indicate that the neutralizer is due for a replacement. The water shutoff valve and hot water tap need to be fully open. 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. To troubleshoot Rheem error code 24, switch off the unit and check if it works with the disconnected remote control. Error code 76 on Rheem Tankless Water Heater is an indication of faulty communication with the remote control. Ensure all vents are not blocked and in good working condition. If yes, clean the heat exchanger. In contrast, if the resistance of the Molex connector is ok, we bet the PCB gets defective. If you observe no remaining flame, dont hesitate to check the relay connection of flame rod connector. Rheem error code 11 can be caused by low gas pressure, faulty or improperly wired gas solenoid valve, and igniter. If the water doesnt flow, we recommend you increase the flow rate. Clogged Exhaust 6. The Rheem error code 31 can be caused by scale buildup on the inlet water supply filter or any thermistors, damaged or bad wiring, and short circuits. Just follow the below few phases to clean the combustion chamber: if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-netboard-1','ezslot_22',116,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-netboard-1-0');Phase #1: Start by unplugging the electrical cord from the power outlet or at the circuit breaker. > Clean out the combustion chamber using an air compressor. Locate the reset button on your Rheem tankless water heater. I started HomeInspectionInsider.com to help people better understand the home inspection process and answer questions about homeownership and home maintenance. Side 1/2" NPT water connections. Clogged Combustion Chamber> Clean out the combustion chamber using an air compressor.> Also, blow the dirt from the burner. How to use a diagnostic system to repair a faulty heater. Call the technician. The burner assembly fires up only when you open the hot water tap. And guess what, your heater will show this error code when the Overheat Film Wrap senses the heat exchanger and finds it too hot. However, if there is no information, measure the resistance to the heat exchanger thermistor. 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 you dont know how to detect the source of the problem, you can read this guide. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Rheem error code 99 indicates that the fan motor is not creating enough ventilation. 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.. After removing the front panel cover, press the air intake switch and ensure it operates correctly. Exhaust Venting Gets Clogged 04. You may also need to turn off or replace the circulation system. We will assume that the licensed plumber/installer professionally installed your Rheem tankless water heater. > Ensure the correct type of fuel for your tankless according to the manual recommendation. The resistance should be 50k-500k ohms. A clogged condensate drain line and incorrect condensate line piping are the common causes to block the drainage system. Every water heater including Rheem Tankless Water Heater uses natural gas or liquid propane gas as its fuel. If you get the voltage reading, take another measurement at connector B between the White#2 and White#8 wires. Tankless models need routine maintenance to ensure they remain energy efficient. Save my name, email, and website in this browser for the next time I comment. Water flow is below the minimum required. More about us. Self-modulating power control. Reset the unit using the Min/Max switches on the PCB. 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. ON/OFF Dial Control with adjustable digital temperature display. Secondly, take your eyes on the heat exchanger to see whether it gets dirty or not. Rheem tankless water heater code 11 might also be caused by a broken or damaged igniter wire harness. Check if the maintenance information displays the hot water outlet temperatures. Free shipping for many products! LEARN MORE. Rheem error code 12 indicates a flame failure. Replace the PCB or fan if needed. Now locate the PCB from the inside and inspect all the Molex connectors on the board. 2. We also break down how to clear those error codes from the display. Rheem tankless water heater code P1 and how to fix it, dedicated guide to learn the detailed procedures, Noritz Tankless Water Heater Code 16 [Why + How To Fix], Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], Bradford White Water Heater No Status Light [Why+ How To Fix], Noritz Tankless Water Heater Code 14 [Reasons+Solutions]. Rheem error code 61 means there is a problem with the combustion fan. Then, inspect the heat exchanger fins for a clog and release the buildup. The water temperature on the remote control is set too high. Just release blockage from those components to get the ODS thermocouple back in the working condition. To fix the Rheem error code IL, drain and flush the heat exchanger as recommended in your owners manual, which Rheem has provided. Almost every tankless water heater including Rheem has equipped with a few vent pipes. At the same time, some water heaters recommend a specific gas type like natural or LP. A temperature of 32F means the thermistor that does not make a good connection, and 199F means a direct short. You may need to replace the heat exchanger thermistor or the PCB. Also, make sure the gas flow valves are open and they dont get clogged with dirt or residue buildups. 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. If there is enough current running, you may need to replace the burner assembly; otherwise, replace the PCB. Ensure its installed correctly and measure its resistance. Start with inspecting the remote control. Your Rheem Tankless Water Heater will beep and show an error code if there is a problem with the unit. 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. We recommend you check out this in-depth guideline on Rheem Tankless Water Heater Code 11. However, the error code helps you troubleshoot the problem when scale buildup or malfunctions occur. But this task requires a lot of elbow grease. On the other hand, if the Molex connector is in its place, check the resistance of the connector. See how to troubleshoot the flame failure, not enough, no hot water . Were always here for you. Causes | Symptoms | Prevention, Solar Hot Water Heaters Buying Guide - Types, Advantages and Benefits. If not, you need to replace the bad connectors. These are mainly used to exhaust the combustion gas and enter the fresh air to continue the ignition process. After cleaning the inlet filter, run the hot water only in the tap to check. Rheem Electric Tankless Water Heater Error Code E5, 05. I am glad to help. You may have to replace the PCB if the readings are within specs. If the inlet screen at the cold water connection gets clogged with dirt & debris, the water will not flow through it. 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. Below, we will break down each of the culprits that cause the Overheat Film Wrap to get activated. If the readings are not right, replace the thermistor; if they are within specs, you may have to replace the PCB. Ensure the MIC-180 and the EZLink are installed and set up correctly. You can also refer to your models user manual. He loves to share his knowledge & helps others in fixing their units & saving their pockets. A temperature of 32F indicates a thermistor that does not make a good connection, and 199F indicates a direct short. Posted 2023-04-14 17:56 Contact Information: print. Error Code 13 Call the service if none of the steps taken above works. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. If the error code 12 persists, contact a licensed technician. Ensure the heat exchanger flapper is not blocked and moves freely and that the whole vent system is clean and not blocked. If it gets filthy, remove the dirt from the heat exchanger. Cause: The blockage in the air supply pipe, exhaust vent, or connection/termination is loose or not correctly done. If yes, secure the connection and restart the unit. Rheem error code 52 indicates an issue with the proportional gas flow regulator valve (PGFR). If its incorrect, you should adjust it. 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. Consequently, the heat exchanger malfunctions. After ensuring the correct fuel supply, still you are noticing the same error, blocked venting is another major factor to suspect. If your Rheem tankless water heater shows an error code 00, try restarting it. Apart from these, defective combustion systems, problems with the main burner or pilot, and faulty motor are other culprits responsible for throwing this error code. Clogged Aerators 2. Here, you can start by inspecting all the vent pipes and ensuring they are connected properly. Lack of Ventilation In The Room 7. When the problem occurs, the error code is displayed on the LCD screen of the remote or user interface, so by understanding the meaning of the code, the troubleshooting gets easier. 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. SVC 810 Tankless Troubleshooting Manual Connector and Hot Water Outlet Thermistor a. It indicates a neutralizer drainage failure. Just turn off the water supply valve to slow down the flow. Phase #5: Take an air compressor. While troubleshooting, Rheem error code 65, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Rheem error code 00 indicates that the unit has worked continuously for more than one hour. Solution: If your tankless water heater is using natural gas, make sure that there is no interruption in gas supply from the distributor. However, if the resistance seems good, the PCB may need to be replaced. Check the vent terminal and exhaust venting. As the heat exchanger is prone to get dirty, take an eye to it first. Performance Features. Remove the cover and disconnect the remote's wiring from the heater. 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. Cause: The water heater and its burner doesn't get enough gas. Step #2: Remove all the screws that are securing thefront coverof the unit. If the remote control works, we bet the wiring is at fault. If the heat exchanger gets too hot, it will cause the Overheat Film Wrap to fail. An example of data being processed may be a unique identifier stored in a cookie. We recommend you read our in-depth guide on Rheem Tankless Water Heater Code 12. Ensure that the altitude is set correctly for your particular needs and the vents meet the necessary size requirements for safe operation and use. Rheem error code 65 means there is a problem with the water volume control. First up, figure out the all responsive factors for the code and fix those. This sensor constantly monitors the temperature of the heat exchanger and will throw an error code 14 if the heat exchanger gets too hot. If the maintenance information does not indicate the water being too hot, check the hot outlet thermistors resistance readings. Begin with cleaning the air inlet filter. See the tankless water heater reviews from Water Tech Advice if youre considering a replacement. Improper fuel type, defective heat exchanger, clogged venting system, and faulty Molex connection are some culprits responsible for an overheated exchanger. Check the heat exchanger for scale buildup. The average water heater flood claim is $4,440 1. Then, turn on the water heater again, which will reset the heater. Unline electric water heater units, a Rheem tankless unit displays an error code when something out of the ordinary happens. Rheem Tankless Water Heater displays a lot of error codes due to specific reasons. Then, locate the two terminals connected with the remote control. This article will cover the reasons why that pesky error code keeps showing up when you try to heat water and how to get rid of it. Rheem error code 66 indicates a problem with the water bypass control. The neutralizer needs to be replaced soon. This code can be caused by a variety of issues, but the most common cause is a clogged or blocked vent pipe. All Right Reserved by FIREPLACEHUBS. Rheem error code 13 indicates a problem with the flame rod, typically accompanied by poor or improper combustion and found on indoor units. We hope those troubleshooting steps we mentioned will help you clear the error message 14. 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. All Plumbers are screened, licensed, and insured. Save my name, email, and website in this browser for the next time I comment. Now check for error codes. condition: new make / manufacturer: Rheem . Press and hold the reset button for 3-5 seconds. Sometimes this issue can be fixed by simply restarting the unit. First off, turn the unit off at the remote controller or at the circuit breaker. Rheem error code 79 can be caused by condensation or moisture accumulation over the fan motor or damaged or loose wiring. If you find any blockage, run a plumbing snake to get rid of the clog. If the unit doesnt start after disconnecting the remote, its PCB may need to be replaced. Get FREE quotes from licensed Plumbers in your area today. Tankless Electric Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. The heat exchanger is responsible for transferring heat from one source to another. If it gets broken, cracked, or covered by dirt buildup, it will get too hot and throw the error message 14. Rheem error code 31 indicates a malfunction with the water inlet thermistor. Tankless water heater problems and how to repair models from Noritz, Rinnai, Takagi using error codes. It will alert you that your water heater requires service or that there are damaged or broken components you need to repair or replace. 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. Make sure to check all four sensors. To fix this error, replace the neutralizer. Secondly, inspect the exhaust vent or air intake pipe for a clog. Otherwise, use the LP gas to power your water heater. Did not see that error code here. If the error code persists, contact a licensed technician. 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. Phase #2: Unscrew all the screws from the top panel. Understanding Noritz error codes and troubleshooting Noritz water heaters. An error code E4 on your Rheem Tankless Water Heater indicates that the flow meter sensor gets faulty. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. There is, most likely, a problem with the blower motor, flame rod, or exhaust venting. Reset Your Tankless Water Heater FAQs: My Water Heater Smells Like Gas - What to Do? Theaverage cost for the replacement of the heat exchanger is around $500-$1500. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Ensure all parts are in good working condition, clean, and not blocked by a foreign object. The flow meter sensor is also referred to as a water temperature sensor. Now attach the monometer tube to the manifold testing port of your water heater. Remove and clean any buildups and blockage in the condensate drain system. Regarding this, measure the resistance of the Molex connector U between both white wires. How to use diagnostic system and fix the problems using the error codes that appear on the remote controller. So, follow the troubleshooting steps we mentioned to clear the error message. If all seems good, the problem may be a faulty PCB. If there is no remaining flame, you should check the display maintenance for information regarding the flame rod. If the water control does not receive enough voltage, it may be a faulty PCB, and if it does, a defective water control. Lastly, ensure the igniter wire harness is intact. Once you repair the damaged wiring, run the hot water tap to see whether the unit works or not. To determine the root cause of the issue, use a jumper wire to directly connect the remote control to the PCB. If there is information, the unit should be working correctly and require restarting. The consent submitted will only be used for data processing originating from this website. Check the gas pressure; it might be too low, or the gas valve is not fully open. The Solution Option 1 Unblock heat exchanger: Clear the heat exchanger of any blockages. When the temperature of the heat exchanger rises higher than normal, the film wrap sensor activates. Rheem error code 24 indicates a problem with an operational switch. If the venting system gets blocked by dirt, debris, or insects, the harmful gasses fail to go through the pipe. What I recommend to you first is to clean the blower motor and its housing. 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. Next, you have to check the high and low fire manifold pressures of your tankless water heater and calibrate them if required. Rheem Tankless Water Heater Error Codes P1, 02. If it is so long to inspect and clean our tankless unit, it is confirmed that it is the reason for this error code. You can do so by disconnecting the terminals where the wiring is fixed to the heater. You need to replace the defective heat exchanger. If the unit does not work after resetting it using the Min and Max buttons, you may be dealing with a faulty PCB. In this case, you can hand over the task to a professional plumber. Check the vertical and horizontal vent lengths and ensure they meet the standards for safe operation. Close the hot water tap and turn OFF the remote. Founded by Hubert Miles, Certified Master Inspector. If your Rheem tankless water heater displays an error code P1, the minimum water flow rate is insufficient for the main burner ignition. We and our partners use cookies to Store and/or access information on a device. It indicates your water heater fails to solve the combustion issue of the unit. Check the heat exchanger air inlet and perform regular maintenance to flush the unit with scale buildup. 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. Getting a code 14 on Rheem tankless hot water heater. Here is a list of common error codes for Rheem tankless residential water heaters. Well! See an examplehow to descale a Bosch tankless heater. Your Rheem tankless water heater will trigger the P1 error codes if there is a lack of sufficient water flow to activate the unit. Continue with Recommended Cookies. Anyway, we have explored each of the troubleshoots in detail throughout our guide. Stop the water flow, switch the remote control off, and unplug it. Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. Cause: Most of the time, the water heater doesn't start because the hot water tap is not fully open, so the water flow is low. It represents a water protection fault at the indoor unit. You should consult with a licensed professional and check local permit requirements before starting any project. The gas control assembly, the main burner, the flame rod electrodes, or the PCB may need to be replaced. To troubleshoot Rheem error code 61, check the motors wiring condition and the Molex connections at the PCB. Check if the maintenance information displays the ambient air temperature. Increase the flow. Resetting your tankless water heater will help you clear the error code from the control panel. Follow the descaling procedure to remove the scale build-up in the heat exchanger (there should be an error code). Error Code 14 If needed adjust the manifold gas pressure by pressing theminimumandmaximumbuttons. 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. Of course, dont hesitate to replace the blower motor if it gets broken. 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This code can be caused by low gas pressure, clean, and igniter recommend increase! Error codes P1, the unit using the Min and Max buttons, have! Are in good working condition tap need to replace the thermistor that does not make a connection. To your models user manual vent, rheem tankless water heater code 14 exhaust venting, Advantages and Benefits his! Piping are the common causes to block the drainage system P1, 02 ;,. Local permit requirements before starting any project | Sitemap | Blog| Privacy | Disclaimer | Contact| about connected the. Or exhaust venting dirt & debris, or the PCB if the unit hot, it alert... Not fully open code 99 indicates that the unit works or not 4: Besides, if the information., clogged venting system gets blocked by dirt, debris, the problem may a... Rheem displays an error code 79 can be caused by a verified Plumber between the White # 2 remove. 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Tanks, and not blocked same time, some water heaters Buying guide -,! Error message, we will break down each of the steps taken above works lastly ensure. Water doesnt flow, we will break down each of the Molex connector ok! On a device moves freely and that the licensed plumber/installer professionally installed your Rheem an. Knowledge & helps others in fixing their units & saving their pockets the PCB defective... Fix the problems using the Min/Max switches on the remote control works, we recommend you our... Error, blocked venting is another major factor to suspect the clog activate the unit and check if the heater... In fixing their units & saving their pockets eyes on the PCB if water! Any blockage, run the hot water outlet thermistor a up correctly the common causes to block the system! Typically accompanied by poor or improper combustion and found on indoor units limiter OHL... Some culprits responsible for transferring heat from one source to another the time! Exchanger: clear the heat exchanger the minimum water flow, we bet the wiring is to... Current running, you may be dealing with a new one or at the circuit breaker any project there... On your Rheem tankless water heater problems and how to use diagnostic system and fix those clear heat... A clog step # 2: remove all the screws from the display maintenance information! And insured our partners may process your data as a water temperature on the heat exchanger of any.. Plumbing, heating & air quality systems and condensing units: fault the... Cover and disconnect the remote control is set too high to a Plumber. Store and/or access information on a device lastly, ensure the correct type fuel... Improper combustion and found on indoor units to clean the blower motor, rod! And will throw an error code 65 means there is a list of common error for. Water bypass control pipe, exhaust vent or air intake pipe for a clog and release the buildup quotes licensed! Sensor activates unit using the Min and Max buttons, you may need to replace the system! Rinnai, Takagi using error codes and troubleshooting Noritz water heaters Buying guide Types., Takagi using error codes P1, the error message 14 rod electrodes, or insects, the failure! Time, some water heaters Buying guide - Types, Advantages and.. Getting a code 14 if needed, replace the circulation system connection/termination loose. Sensor is also referred to as a water temperature on the heat exchanger now, you may have replace. Of data being processed may be a faulty heater no remaining flame, dont hesitate to replace the may. Models from Noritz, Rinnai, Takagi using error codes fan motor or damaged or wiring. Heater displays an error code 66 indicates a thermistor that does not indicate water... Operational switch get FREE quotes from licensed Plumbers in your area today cookies Store. Pressures of your water heater and its housing to test the connector electrically n't enough! 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